Hiermenus Go Forth, XXII - DHTML Lab | 2

Hiermenus Go Forth, XXII:
Version 4.1 - The Complete Script (Full-Window)

The external HM JavaScript file for Internet Explorer 4.x for Windows (HM_ScriptIE4.js in the download).

/*HM_ScriptIE4.js
* by Peter Belesis. v4.1 010821
* Copyright (c) 2001 Peter Belesis. All Rights Reserved.
* Originally published and documented at https://www.dhtmlab.com/
* Available solely from INT Media Group. Incorporated under exclusive license.
* Contact [email protected] for more information.
*/
HM_a_Parameters = [
    ["MenuWidth",          150,        "number"],
    ["FontFamily",         "Arial,sans-serif"],
    ["FontSize",           10,        "number"],
    ["FontBold",           false,    "boolean"],
    ["FontItalic",         false,    "boolean"],
    ["FontColor",          "black"],
    ["FontColorOver",      "white"],
    ["BGColor",            "white"],
    ["BGColorOver",        "black"],
    ["ItemPadding",        3,        "number"],
    ["BorderWidth",        2,        "number"],
    ["BorderColor",        "red"],
    ["BorderStyle",        "solid"],
    ["SeparatorSize",      1,        "number"],
    ["SeparatorColor",     "yellow"],
    ["ImageSrc",           "HM_More_black_right.gif"],
    ["ImageSrcOver",       null],
    ["ImageSrcLeft",       "HM_More_black_left.gif"],
    ["ImageSrcLeftOver",   null],
    ["ImageSize",          5,        "number"],
    ["ImageHorizSpace",    0,        "number"],
    ["ImageVertSpace",     0,        "number"],
    ["KeepHilite",         false,    "boolean"],
    ["ClickStart",         false,    "boolean"],
    ["ClickKill",          true,    "boolean"],
    ["ChildOverlap",       20,        "number"],
    ["ChildOffset",        10,        "number"],
    ["ChildPerCentOver",   null,    "number"],
    ["TopSecondsVisible",  .5,        "number"],
    ["ChildSecondsVisible",.3,        "number"],
    ["StatusDisplayBuild", 1,        "boolean"],
    ["StatusDisplayLink",  1,        "boolean"],
    ["UponDisplay",        null,    "delayed"],
    ["UponHide",           null,    "delayed"],
    ["RightToLeft",        false,    "boolean"],
    ["CreateTopOnly",      0,        "boolean"],
    ["ShowLinkCursor",     false,    "boolean"]
]
HM_MenuIDPrefix = "HM_Menu";
HM_ItemIDPrefix = "HM_Item";
HM_ArrayIDPrefix = "HM_Array";
Function.prototype.isFunction = true;
Function.prototype.isString = false;
String.prototype.isFunction = false;
String.prototype.isString = true;
String.prototype.isBoolean = false;
String.prototype.isNumber = false;
Number.prototype.isString = false;
Number.prototype.isFunction = false;
Number.prototype.isBoolean = false;
Number.prototype.isNumber = true;
Boolean.prototype.isString = false;
Boolean.prototype.isFunction = false;
Boolean.prototype.isBoolean = true;
Boolean.prototype.isNumber = false;
Array.prototype.itemValidation = false;
Array.prototype.isArray = true;
function HM_f_AssignParameters(paramarray){
    var ParamName = paramarray[0];
    var DefaultValue = paramarray[1];
    var FullParamName = "HM_" + ParamName;
    if (typeof eval("window.HM_PG_" + ParamName) == "undefined") {
        if (typeof eval("window.HM_GL_" + ParamName) == "undefined") {
            eval(FullParamName + "= DefaultValue");
        }
        else {
            eval(FullParamName + "= HM_GL_" + ParamName);
        }
    }
    else {
        eval(FullParamName + "= HM_PG_" + ParamName);
    }
    paramarray[0] = FullParamName;
    paramarray[1] = eval(FullParamName);
}
function HM_f_EvalParameters(valuenew,valueold,valuetype){
    var TestString, ParPosition;
    if(typeof valuenew == "undefined" || valuenew == null || (valuenew.isString && valuenew.length == 0)){
        return valueold;
    }
    if(valuetype != "delayed"){
        while(valuenew.isString) {
            ParPosition = valuenew.indexOf("(");
            if(ParPosition !=-1) {
                TestString = "window." + valuenew.substr(0,ParPosition);
                if (typeof eval(TestString) != "undefined" && eval(TestString).isFunction) {
                    valuenew = eval(valuenew);
                }
            }
            else break
        }
    }
    while(valuenew.isFunction) {valuenew = valuenew()}
    switch(valuetype){    
        case "number":
            while (valuenew.isString) {valuenew = eval(valuenew)}
            break;
        case "boolean":
            while (!valuenew.isBoolean) {
                valuenew = (valuenew.isNumber) ? valuenew ? true : false : eval(valuenew);
            }
            break;
    }
    return valuenew;
}
for (i=0;i<HM_a_Parameters.length;i++) {
    HM_f_AssignParameters(HM_a_Parameters[i]);
    eval(HM_a_Parameters[i][0] + "= HM_f_EvalParameters("+ HM_a_Parameters[i][0] +",null,HM_a_Parameters[i][2])")
}
HM_ChildPerCentOver = (isNaN(parseFloat(HM_ChildPerCentOver))) ? null : parseFloat(HM_ChildPerCentOver)/100;
HM_ChildMilliSecondsVisible = HM_ChildSecondsVisible * 1000;
function HM_f_ValidateArray(arrayname){
    var MenuArrayIsValid = false;
    var MenuArrayIsObject = (typeof eval("window." + arrayname) == "object");
    if(MenuArrayIsObject) { 
        var TheMenuArray = eval(arrayname);
        if(TheMenuArray.isArray && TheMenuArray.length > 1) {
            MenuArrayIsValid = true;
            if(!TheMenuArray.itemValidation) {
                while((typeof TheMenuArray[TheMenuArray.length-1] != "object") || (!TheMenuArray[TheMenuArray.length-1].isArray)) {
                    TheMenuArray.length--;
                }
                TheMenuArray.itemValidation = true;
            }
        }
    }
    return MenuArrayIsValid;
}
if(!window.HM_a_TreesToBuild) {
    HM_a_TreesToBuild = [];
    for(i=1; i<100; i++){
        if(HM_f_ValidateArray(HM_ArrayIDPrefix + i)) HM_a_TreesToBuild[HM_a_TreesToBuild.length] = i;
    }
}
HM_CurrentArray = null;
HM_CurrentTree  = null;
HM_CurrentMenu  = null;
HM_CurrentItem  = null;
HM_a_TopMenus = [];
HM_AreLoaded = false;
HM_AreCreated = false;
HM_BeingCreated = false;
HM_UserOverMenu = false;
HM_HideAllTimer = null;
HM_TotalTrees = 0; 
HM_ZIndex = 5000;
function propertyTransfer(){
    this.obj = eval(this.id + "Obj");
    for (temp in this.obj) {this[temp] = this.obj[temp]}
}
function HM_f_StartIt() {
    if((typeof(document.body) == "undefined") || (document.body == null)) return;
    if(HM_AreCreated) return;
    HM_AreLoaded = true;
    if (HM_ClickKill) {
        HM_f_OtherMouseDown = (document.onmousedown) ? document.onmousedown : new Function;
        document.onmousedown = function(){HM_f_PageClick();HM_f_OtherMouseDown()}
    }
    else {
        HM_TopMilliSecondsVisible = HM_TopSecondsVisible * 1000;
    }
    HM_f_MakeTrees();
    HM_f_OtherOnLoad();
}
function HM_f_MakeTrees(){
    HM_BeingCreated = true;
    var TreeParams = null;
    var TreeHasChildren = false;
    var ItemArray = null;
    for(var t=0; t<HM_a_TreesToBuild.length; t++) {
        if(!HM_f_ValidateArray(HM_ArrayIDPrefix + HM_a_TreesToBuild[t])) continue;
        HM_CurrentArray = eval(HM_ArrayIDPrefix + HM_a_TreesToBuild[t]);
        TreeParams = HM_CurrentArray[0];
        TreeHasChildren = false;
        for(var i=1; i<HM_CurrentArray.length; i++) {
            ItemArray = HM_CurrentArray[i];
            if(ItemArray[ItemArray.length-1]) {TreeHasChildren = true; break}
        }
        HM_CurrentTree = {
            MenuWidth        : MenuWidth = HM_f_EvalParameters(TreeParams[0],HM_MenuWidth,"number"),
            MenuLeft         : MenuLeft = HM_f_EvalParameters(TreeParams[1],null,"delayed"),
            MenuTop          : MenuTop = HM_f_EvalParameters(TreeParams[2],null,"delayed"),

//4.1
//          ItemWidth        : ItemWidth = MenuWidth - (HM_BorderWidth*2),
//          ItemTextWidth    : TreeHasChildren ? (ItemWidth - (HM_ImageSize + HM_ImageHorizSpace + HM_ItemPadding)) : ItemWidth,
//          HorizOffsetRight : HorizOffsetRight = (parseInt((HM_ChildPerCentOver != null) ? (HM_ChildPerCentOver  * ItemWidth) : HM_ChildOverlap)),
//          HorizOffsetLeft  : (MenuWidth - HorizOffsetRight),
            ItemWidth        : MenuWidth - (HM_BorderWidth*2),
            FontColor        : HM_f_EvalParameters(TreeParams[3],HM_FontColor),
            FontColorOver    : HM_f_EvalParameters(TreeParams[4],HM_FontColorOver),
            BGColor          : HM_f_EvalParameters(TreeParams[5],HM_BGColor),
            BGColorOver      : HM_f_EvalParameters(TreeParams[6],HM_BGColorOver),
            BorderColor      : HM_f_EvalParameters(TreeParams[7],HM_BorderColor),
            SeparatorColor   : HM_f_EvalParameters(TreeParams[8],HM_SeparatorColor),
            TopIsPermanent   : ((MenuLeft == null) || (MenuTop == null)) ? false : HM_f_EvalParameters(TreeParams[9],false,"boolean"),
            TopIsHorizontal  : TopIsHorizontal = HM_f_EvalParameters(TreeParams[10],false,"boolean"),
            TreeIsHorizontal : TreeHasChildren ? HM_f_EvalParameters(TreeParams[11],false,"boolean") : false,
            PositionUnder    : (!TopIsHorizontal || !TreeHasChildren) ? false : HM_f_EvalParameters(TreeParams[12],false,"boolean"),
            TopImageShow     : TreeHasChildren ? HM_f_EvalParameters(TreeParams[13],true,"boolean")  : false,
            TreeImageShow    : TreeHasChildren ? HM_f_EvalParameters(TreeParams[14],true,"boolean")  : false,
            UponDisplay      : HM_f_EvalParameters(TreeParams[15],HM_UponDisplay,"delayed"),
            UponHide         : HM_f_EvalParameters(TreeParams[16],HM_UponHide,"delayed"),
            RightToLeft      : HM_f_EvalParameters(TreeParams[17],HM_RightToLeft,"boolean"),
            ClickStart       : HM_f_EvalParameters(TreeParams[18],HM_ClickStart,"boolean"),

//4.1
            TopIsVariableWidth  : HM_f_EvalParameters(TreeParams[19],false,"boolean"),
            TreeIsVariableWidth : HM_f_EvalParameters(TreeParams[20],false,"boolean")
        }
        HM_CurrentMenu = null;
        HM_f_MakeMenu(HM_a_TreesToBuild[t]);
        HM_a_TopMenus[HM_TotalTrees] = HM_CurrentTree.treeParent;
        HM_TotalTrees++;
        if(HM_CurrentTree.TopIsPermanent){
            with(HM_CurrentTree.treeParent) {
                HM_CurrentTree.treeParent.xPos = eval(HM_CurrentTree.MenuLeft);
                HM_CurrentTree.treeParent.yPos = eval(HM_CurrentTree.MenuTop);
                moveTo(HM_CurrentTree.treeParent.xPos,HM_CurrentTree.treeParent.yPos);
                style.zIndex = HM_ZIndex;
                setTimeout(HM_CurrentTree.treeParent.id + ".fixSize(true)",10);
            }
        }
    }
    if(HM_StatusDisplayBuild) status = HM_TotalTrees + " Hierarchical Menu Trees Created";
    HM_AreCreated = true;
    HM_BeingCreated = false;
}
function HM_f_GetItemDivStr(itemid,disptext,hasmore){
    var WidthValue = HM_CurrentMenu.isHorizontal ? (ItemElement.isLastItem) ? (HM_CurrentTree.MenuWidth - HM_BorderWidth - HM_SeparatorSize) : (HM_CurrentTree.MenuWidth - HM_BorderWidth) : HM_CurrentTree.ItemWidth;
    var TempString = "<DIV ID=" + itemid + " STYLE='position:absolute;width:" + WidthValue + "px'>";
    if(HM_CurrentMenu.showImage) {
        var FullPadding  = (HM_ItemPadding*2) + HM_ImageSize + HM_ImageHorizSpace;
    }
    if(hasmore && HM_CurrentMenu.showImage) {

//4.1
//      var ImgPosition = HM_CurrentTree.RightToLeft ? "absolute;" : "relative;";
//      var ImgHSpace   = (HM_CurrentTree.RightToLeft) ? 0 : HM_ItemPadding;
        var ImgSrc      = HM_CurrentTree.RightToLeft ? HM_ImageSrcLeft : HM_ImageSrc;

//4.1
//      var ImgStyle    = HM_CurrentTree.RightToLeft ? ("left:"+ (HM_ItemPadding + HM_ImageHorizSpace) + "px;top:"+ (HM_ItemPadding + HM_ImageVertSpace) + "px;") : ("float:right;margin-right:"+ (-FullPadding) +"px;margin-top:"+ HM_ImageVertSpace + "px;width:"+ HM_ImageSize + "px;");
        var ImgStyle    = "top:"+ (HM_ItemPadding + HM_ImageVertSpace) + "px;width:"+ HM_ImageSize + "px;";
        var ImgString   = "<IMG ID='HM_ImMore' STYLE='position:absolute;"+ ImgStyle +"' SRC='" + ImgSrc + "' HSPACE=0 VSPACE=0 BORDER=0>";
        TempString += ImgString;
    }
    TempString += disptext + "</DIV>";
    return TempString;
}
function HM_f_SetItemProperties(itemid,itemidsuffix) {
    this.tree        = HM_CurrentTree;
    this.itemsetup   = HM_f_ItemSetup;
    this.index       = HM_CurrentMenu.itemCount - 1;
    this.isLastItem  = (HM_CurrentMenu.itemCount == HM_CurrentMenu.maxItems);
    this.array       = HM_CurrentMenu.array[HM_CurrentMenu.itemCount];
    this.dispText    = this.array[0];
    this.linkText    = this.array[1];
    this.permHilite  = HM_f_EvalParameters(this.array[3],false,"boolean");
    this.hasRollover = (!this.permHilite && HM_f_EvalParameters(this.array[2],true,"boolean"));
    this.hasMore     = HM_f_EvalParameters(this.array[4],false,"boolean") && HM_f_ValidateArray(HM_ArrayIDPrefix + itemidsuffix);
    this.childID     = this.hasMore ? (HM_MenuIDPrefix + itemidsuffix) : null;
    this.child       = null;
    this.onmouseover = HM_f_ItemOver;
    this.onmouseout  = HM_f_ItemOut;
    this.setItemStyle = HM_f_SetItemStyle;
    this.itemStr     = HM_f_GetItemDivStr(itemid,this.dispText,this.hasMore);
    this.showChild   = HM_f_ShowChild;

//4.1
    this.ChildOverlap = null;
}
function HM_f_Make4ItemElement(menucount) {
    var ItemIDSuffix = menucount + "_" + HM_CurrentMenu.itemCount;
    var LayerID  = HM_ItemIDPrefix + ItemIDSuffix;
    var ObjectID = LayerID + "Obj";
    eval(ObjectID + " = new Object()");
    ItemElement = eval(ObjectID);
    ItemElement.setItemProperties = HM_f_SetItemProperties;
    ItemElement.setItemProperties(LayerID,ItemIDSuffix);
    return ItemElement;
}
function HM_f_MakeElement(menuid) {
    var MenuObject;
    var LayerID  = menuid;
    var ObjectID = LayerID + "Obj";
    eval(ObjectID + " = new Object()"); 
    MenuObject = eval(ObjectID);
    return MenuObject;
}
function HM_f_MakeMenu(menucount) {
    if(!HM_f_ValidateArray(HM_ArrayIDPrefix + menucount)) return false;
    HM_CurrentArray = eval(HM_ArrayIDPrefix + menucount);
    NewMenu = document.all(HM_MenuIDPrefix + menucount);
    if(!NewMenu) {
        NewMenu = HM_f_MakeElement(HM_MenuIDPrefix + menucount);
        NewMenu.array = HM_CurrentArray;
        NewMenu.tree  = HM_CurrentTree;
        if(HM_CurrentMenu) {
            NewMenu.parentMenu = HM_CurrentMenu;
            NewMenu.parentItem = HM_CurrentMenu.itemElement;
            NewMenu.parentItem.child = NewMenu;
            NewMenu.hasParent = true;
            NewMenu.isHorizontal = HM_CurrentTree.TreeIsHorizontal;
            NewMenu.showImage = HM_CurrentTree.TreeImageShow;
        }
        else {
            NewMenu.isHorizontal = HM_CurrentTree.TopIsHorizontal;
            NewMenu.showImage = HM_CurrentTree.TopImageShow;
        }
    
        HM_CurrentMenu = NewMenu;
        HM_CurrentMenu.itemCount = 0;
        HM_CurrentMenu.maxItems = HM_CurrentMenu.array.length - 1;
        HM_CurrentMenu.showIt = HM_f_ShowIt;
        HM_CurrentMenu.keepInWindow = HM_f_KeepInWindow;
        HM_CurrentMenu.onmouseover = HM_f_MenuOver;
        HM_CurrentMenu.onmouseout = HM_f_MenuOut;
        HM_CurrentMenu.hideTree = HM_f_HideTree
        HM_CurrentMenu.hideParents = HM_f_HideParents;
        HM_CurrentMenu.hideChildren = HM_f_HideChildren;
        HM_CurrentMenu.hideTop = HM_f_HideTop;
        HM_CurrentMenu.hideSelf = HM_f_HideSelf;
        HM_CurrentMenu.count = menucount;
        HM_CurrentMenu.hasChildVisible = false;
        HM_CurrentMenu.isOn = false;
        HM_CurrentMenu.hideTimer = null;
        HM_CurrentMenu.currentItem = null;
        HM_CurrentMenu.setMenuStyle = HM_f_SetMenuStyle;
        HM_CurrentMenu.sizeFixed = false;
        HM_CurrentMenu.fixSize = HM_f_FixSize;
        HM_CurrentMenu.onselectstart = HM_f_CancelSelect;
        HM_CurrentMenu.moveTo = HM_f_MoveTo;

//4.1
        HM_CurrentMenu.IsVariableWidth = ((HM_CurrentMenu.hasParent && HM_CurrentTree.TreeIsVariableWidth) || (!HM_CurrentMenu.hasParent && HM_CurrentTree.TopIsVariableWidth));
        HM_CurrentMenu.htmlString = "<DIV ID='" + HM_MenuIDPrefix + menucount +"' STYLE='position:absolute;visibility:hidden;width:"+ HM_CurrentTree.MenuWidth +"'>";
    }
    while (HM_CurrentMenu.itemCount < HM_CurrentMenu.maxItems) {
        HM_CurrentMenu.itemCount++;
        HM_CurrentItem = document.all(HM_ItemIDPrefix + menucount + "_" + HM_CurrentMenu.itemCount);
        if(!HM_CurrentItem) {
            if(HM_StatusDisplayBuild) status = "Creating Hierarchical Menus: " + menucount + " / " + HM_CurrentMenu.itemCount;
            HM_CurrentMenu.itemElement = HM_f_Make4ItemElement(menucount);
            HM_CurrentMenu.htmlString += HM_CurrentMenu.itemElement.itemStr;
        }
        if(HM_CurrentMenu.itemElement.hasMore && (!HM_CreateTopOnly || HM_AreCreated && HM_CreateTopOnly)) {
            MenuCreated = HM_f_MakeMenu(menucount + "_" + HM_CurrentMenu.itemCount);
            if(MenuCreated) {
                HM_CurrentMenu = HM_CurrentMenu.parentMenu;
            }
        }
    }
    document.body.insertAdjacentHTML("BeforeEnd",HM_CurrentMenu.htmlString + "</DIV>");
    menuLyr = document.all(HM_MenuIDPrefix + menucount);
    menuLyr.propertyTransfer = propertyTransfer;
    menuLyr.propertyTransfer();
    HM_CurrentMenu = menuLyr;
    if(!HM_CurrentMenu.hasParent)HM_CurrentTree.treeParent = HM_CurrentTree.startChild = HM_CurrentMenu;
    HM_CurrentMenu.setMenuStyle();

//4.1
//  HM_CurrentMenu.childNodes = HM_CurrentMenu.children;
//  HM_CurrentMenu.lastItem = HM_CurrentMenu.childNodes[HM_CurrentMenu.childNodes.length-1];
//  for(var i=0; i<HM_CurrentMenu.childNodes.length; i++) {
//      it = HM_CurrentMenu.childNodes[i];
//      it.siblingBelow = i>0 ? HM_CurrentMenu.childNodes[i-1] : null;
    HM_CurrentMenu.items = HM_CurrentMenu.children;
    HM_CurrentMenu.lastItem = HM_CurrentMenu.items[HM_CurrentMenu.items.length-1];
    for(var i=0; i<HM_CurrentMenu.items.length; i++) {
        it = HM_CurrentMenu.items[i];
        it.siblingBelow = i>0 ? HM_CurrentMenu.items[i-1] : null;
        it.propertyTransfer = propertyTransfer;
        it.propertyTransfer();
        it.itemsetup(i+1);
    }
    HM_CurrentMenu.moveTo(0,0);
    return HM_CurrentMenu;
}
function HM_f_SetMenuStyle(){
    with(this.style) {
        borderWidth = HM_BorderWidth + "px";
        borderColor = HM_CurrentTree.BorderColor;
        borderStyle = HM_BorderStyle;
        overflow    = "hidden";
        cursor      = "default";
    }
}
function HM_f_SetItemStyle() {
    with(this.style){
        backgroundColor = (this.permHilite) ? HM_CurrentTree.BGColorOver : HM_CurrentTree.BGColor;
        color        = (this.permHilite) ? HM_CurrentTree.FontColorOver : HM_CurrentTree.FontColor;
        font        = ((HM_FontBold) ? "bold " : "normal ") + HM_FontSize + "pt " + HM_FontFamily;
        padding        = HM_ItemPadding + "px";
        fontStyle    = (HM_FontItalic) ? "italic" : "normal";
        overflow    = "hidden";
        pixelWidth    = HM_CurrentTree.ItemWidth;

//4.1
//      if(HM_CurrentMenu.showImage) {
        if((this.menu.showImage && (!this.menu.IsVariableWidth || (this.menu.IsVariableWidth && this.tree.RightToLeft && !this.menu.isHorizontal))) || (this.menu.IsVariableWidth && this.imgLyr)) {
            var FullPadding  = (HM_ItemPadding*2) + HM_ImageSize + HM_ImageHorizSpace;
            if (this.tree.RightToLeft) paddingLeft = FullPadding + "px";
            else paddingRight = FullPadding + "px";
        }
        if(!this.isLastItem) {
            var SeparatorString = HM_SeparatorSize + "px solid " + this.tree.SeparatorColor;
            if (this.menu.isHorizontal) borderRight = SeparatorString;
            else borderBottom = SeparatorString;
        }
        if(this.menu.isHorizontal){
            pixelTop = 0;

//4.1
            if(this.menu.IsVariableWidth) {
                this.realWidth = this.scrollWidth;
                if(this.isLastItem) pixelWidth = this.realWidth;
                else pixelWidth = (this.realWidth + HM_SeparatorSize);
                pixelLeft = this.index ? (this.siblingBelow.style.pixelLeft + this.siblingBelow.style.pixelWidth) : 0;
                if(this.isLastItem) {
                    LeftAndWidth = pixelLeft + pixelWidth;
                    this.menu.style.pixelWidth = LeftAndWidth + (HM_BorderWidth * 2);
                }
            }
            else {
                if(this.isLastItem) pixelWidth = (HM_CurrentTree.MenuWidth - HM_BorderWidth - HM_SeparatorSize);
                else pixelWidth = (HM_CurrentTree.MenuWidth - HM_BorderWidth);
                pixelLeft = (this.index * (HM_CurrentTree.MenuWidth - HM_BorderWidth));
                var LeftAndWidth = pixelLeft + pixelWidth;
                this.menu.style.pixelWidth = LeftAndWidth + (HM_BorderWidth * 2);

//4.1
            }
        }
        else {
            pixelLeft = 0;
        }
    }
}
function HM_f_FixSize(makevis){
    if(this.isHorizontal) {
        var MaxItemHeight = 0;

//4.1
//      for(i=0; i<this.childNodes.length; i++) {
//          var TempItem = this.childNodes[i];

        for(i=0; i<this.items.length; i++) {
            var TempItem = this.items[i];
            if (TempItem.index) {
                var SiblingHeight = TempItem.siblingBelow.scrollHeight;
                MaxItemHeight = Math.max(MaxItemHeight,SiblingHeight);
            }
               else{
                MaxItemHeight = TempItem.scrollHeight;
            }
        }

//4.1
//      for(i=0; i<this.childNodes.length; i++) {
//          this.childNodes[i].style.pixelHeight = MaxItemHeight;

        for(i=0; i<this.items.length; i++) {
            var TempItem = this.items[i];
            TempItem.style.pixelHeight = MaxItemHeight;
            if(TempItem.imgLyr) {
                if(this.tree.RightToLeft){
                    TempItem.imgLyr.style.pixelLeft = (HM_ItemPadding + HM_ImageHorizSpace);
                }
                else {
                    TempItem.imgLyr.style.pixelLeft = TempItem.style.pixelWidth - ((TempItem.isLastItem ? 0 : HM_SeparatorSize) + HM_ItemPadding + HM_ImageHorizSpace + HM_ImageSize);
                }
            }
        }
        this.style.pixelHeight = MaxItemHeight + (HM_BorderWidth * 2);
    }
    else {

//4.1
        if(this.IsVariableWidth) {
            var MaxItemWidth = 0;
            for(i=0; i<this.items.length; i++) {
                var TempItem = this.items[i];
                TempItem.style.pixelWidth = TempItem.scrollWidth;
                MaxItemWidth = i ? Math.max(MaxItemWidth,TempItem.style.pixelWidth) : TempItem.style.pixelWidth;
            }
            for(i=0; i<this.items.length; i++) {
                this.items[i].style.pixelWidth = MaxItemWidth;
            }
            this.style.pixelWidth = MaxItemWidth + (HM_BorderWidth * 2);
        }

//      for(i=0; i<this.childNodes.length; i++) {
//          var TempItem = this.childNodes[i];

        for(i=0; i<this.items.length; i++) {
            var TempItem = this.items[i];
            if (TempItem.index) {
                var SiblingHeight =(TempItem.siblingBelow.scrollHeight + HM_SeparatorSize);
                TempItem.style.pixelTop = TempItem.siblingBelow.style.pixelTop + SiblingHeight;
            }
            else TempItem.style.pixelTop = 0;

//4.1
            if(TempItem.imgLyr) {
                if(HM_CurrentTree.RightToLeft){
                    TempItem.imgLyr.style.pixelLeft = (HM_ItemPadding + HM_ImageHorizSpace);
                }
                else {
                    TempItem.imgLyr.style.pixelLeft = TempItem.style.pixelWidth - (HM_ItemPadding + HM_ImageHorizSpace + HM_ImageSize);
                }
            }
        }
        this.style.pixelHeight = TempItem.style.pixelTop + TempItem.scrollHeight + (HM_BorderWidth * 2);
    }
    this.sizeFixed = true;
    if(makevis)this.style.visibility = "visible";
}
function HM_f_ItemSetup(whichItem) {
    this.menu = this.parentElement;
    this.ClickStart = this.hasMore && this.tree.ClickStart && (this.tree.TopIsPermanent && (this.tree.treeParent==this.menu));
    if(this.ClickStart) {
        this.linkText = "";
        this.onclick = this.showChild;
    }
    if (this.hasMore) {
        if(this.menu.showImage){
            this.imgLyr = this.children("HM_ImMore");
            this.hasImageRollover = ((!this.tree.RightToLeft && HM_ImageSrcOver) || (this.tree.RightToLeft && HM_ImageSrcLeftOver));
            if(this.hasImageRollover) {
                this.imageSrc = this.tree.RightToLeft ? HM_ImageSrcLeft : HM_ImageSrc;
                this.imageSrcOver = this.tree.RightToLeft ? HM_ImageSrcLeftOver : HM_ImageSrcOver;
                if(this.permHilite) this.imgLyr.src = this.imageSrcOver;
            }
        }
        this.child = document.all(this.childID);
        if(this.child) {
            this.child.parentMenu = this.menu;
            this.child.parentItem = this;
        }
    }
    if(this.linkText && !this.ClickStart) {
        this.onclick = HM_f_LinkIt;
        if(HM_ShowLinkCursor)this.style.cursor = "hand";
    }
    this.setItemStyle();
}
function HM_f_PopUp(menuname){
    if (!HM_AreLoaded) return;
    menuname = menuname.replace("elMenu",HM_MenuIDPrefix);
    var TempMenu = document.all(menuname);
    if(!TempMenu) return;
    HM_CurrentMenu = TempMenu;
    if (HM_CurrentMenu.tree.ClickStart) {
        var ClickElement = event.srcElement;
        ClickElement.onclick = HM_f_PopMenu;
    }
    else HM_f_PopMenu();
}
function HM_f_PopMenu(){
    if (!HM_AreLoaded || !HM_AreCreated) return true;
    if (HM_CurrentMenu.tree.ClickStart && event.type != "click") return true;
    var mouse_x_position, mouse_y_position;
    HM_f_HideAll();
    HM_CurrentMenu.hasParent = false;
    HM_CurrentMenu.tree.startChild = HM_CurrentMenu;
    HM_CurrentMenu.mouseX = mouse_x_position = (event.clientX + document.body.scrollLeft);
    HM_CurrentMenu.mouseY = mouse_y_position = (event.clientY + document.body.scrollTop);
    HM_CurrentMenu.xIntended = HM_CurrentMenu.xPos = (HM_CurrentMenu.tree.MenuLeft!=null) ? eval(HM_CurrentMenu.tree.MenuLeft) : mouse_x_position;
    HM_CurrentMenu.yIntended = HM_CurrentMenu.yPos = (HM_CurrentMenu.tree.MenuTop!=null)  ? eval(HM_CurrentMenu.tree.MenuTop)  : mouse_y_position;
    if(!HM_CurrentMenu.sizeFixed) HM_CurrentMenu.fixSize(false);
    HM_CurrentMenu.keepInWindow();
    HM_CurrentMenu.moveTo(HM_CurrentMenu.xPos,HM_CurrentMenu.yPos);
    HM_CurrentMenu.isOn = true;
    HM_CurrentMenu.showIt(true);
    return false;
}
function HM_f_MenuOver() {
    if(!this.tree.startChild){this.tree.startChild = this}
    if(this.tree.startChild == this) HM_f_HideAll(this)
    this.isOn = true;
    HM_UserOverMenu = true;
    HM_CurrentMenu = this;
    if (this.hideTimer) clearTimeout(this.hideTimer);
}
function HM_f_MenuOut() {
    if(event.srcElement.contains(event.toElement)) return;
    this.isOn = false;
    HM_UserOverMenu = false;
    if(HM_StatusDisplayLink) status = "";
    if(!HM_ClickKill) {
        clearTimeout(HM_HideAllTimer);
        HM_HideAllTimer = null;
        HM_HideAllTimer = setTimeout("HM_CurrentMenu.hideTree()",HM_ChildMilliSecondsVisible);
    }
}
function HM_f_ShowChild(){
    if(!this.child) {
        HM_CurrentTree = this.tree;
        HM_CurrentMenu = this.menu;
        HM_CurrentItem = this;
        this.child = HM_f_MakeMenu(this.menu.count + "_"+(this.index+1));
        this.tree.treeParent = this.menu;
        this.tree.startChild = this.menu;
           this.child.parentItem = this;
    }

//4.1
    if(!this.child.sizeFixed) this.child.fixSize(false);
    if (this.tree.PositionUnder && (this.menu == this.tree.treeParent)) {
        this.child.xPos = this.menu.style.pixelLeft + this.style.pixelLeft;
        this.child.yPos = this.menu.style.pixelTop + this.menu.offsetHeight - (HM_BorderWidth);
    }
    else {

//4.1
        if(this.ChildOverlap==null) {
            this.DistanceToRightEdge = this.style.pixelWidth;
            if (!this.menu.isHorizontal || (this.menu.isHorizontal && this.isLastItem)) this.DistanceToRightEdge += HM_BorderWidth;
            this.DistanceToLeftEdge = (!this.menu.isHorizontal || (this.menu.isHorizontal && this.index==0)) ? HM_BorderWidth : HM_SeparatorSize;
            this.ChildOverlap = (parseInt((HM_ChildPerCentOver != null) ? (HM_ChildPerCentOver  * this.DistanceToRightEdge) : HM_ChildOverlap));
        }

//      this.oL = this.menu.style.pixelLeft + this.offsetLeft;
        this.oL = this.menu.style.pixelLeft + this.offsetLeft + HM_BorderWidth;
        this.oT = this.menu.style.pixelTop  + this.offsetTop;
        if(this.tree.RightToLeft) {

//4.1
//          this.child.xPos = this.oL + (this.tree.HorizOffsetRight - this.child.offsetWidth);
            this.child.xPos = ((this.oL - this.DistanceToLeftEdge) + this.ChildOverlap) - this.child.style.pixelWidth;
        }
        else {        

//4.1
//          this.child.xPos = this.oL + this.tree.HorizOffsetLeft;
            this.child.xPos = (this.oL + this.DistanceToRightEdge) - this.ChildOverlap;
        }
        this.child.yPos = this.oT + HM_ChildOffset + HM_BorderWidth;
    }
    this.child.xDiff = this.child.xPos - this.menu.style.pixelLeft;
    this.child.yDiff = this.child.yPos - this.menu.style.pixelTop;

//4.1
//  if(!this.child.sizeFixed) this.child.fixSize(false);
    if(!this.tree.PositionUnder || this.menu!=this.tree.treeParent) this.child.keepInWindow();
    this.child.moveTo(this.child.xPos,this.child.yPos);
    this.menu.hasChildVisible = true;
    this.menu.visibleChild = this.child;
    this.child.showIt(true);
}
function HM_f_ItemOver(){
    if (HM_KeepHilite) {
        if (this.menu.currentItem && this.menu.currentItem != this && this.menu.currentItem.hasRollover) {
            with(this.menu.currentItem.style){
                backgroundColor = this.tree.BGColor;
                color = this.tree.FontColor
            }
            if(this.menu.currentItem.hasImageRollover)this.menu.currentItem.imgLyr.src = this.menu.currentItem.imageSrc;
        }
    }
    if(event.srcElement.id == "HM_ImMore") return;
    if(this.hasRollover) {
        this.style.backgroundColor = this.tree.BGColorOver;
        this.style.color = this.tree.FontColorOver;
        if(this.hasImageRollover)this.imgLyr.src = this.imageSrcOver;
    }
    if(HM_StatusDisplayLink) status = this.linkText;
    this.menu.currentItem = this;
    if (this.menu.hasChildVisible) {
        if(this.menu.visibleChild == this.child && this.menu.visibleChild.hasChildVisible) this.menu.visibleChild.hideChildren(this);
        else this.menu.hideChildren(this);
    }
    if (this.hasMore && !this.ClickStart) this.showChild();
}
function HM_f_ItemOut() {
    if (event.srcElement.contains(event.toElement)
      || (event.fromElement.tagName=="IMG" && (event.toElement && event.toElement.contains(event.fromElement))))
          return;
    if ( (!HM_KeepHilite || ((this.tree.TopIsPermanent && (this.tree.treeParent==this)) && !this.menu.hasChildVisible)) && this.hasRollover) {
        with(this.style) {
            backgroundColor = this.tree.BGColor;
            color = this.tree.FontColor
        }
        if(this.hasImageRollover)this.imgLyr.src = this.imageSrc;
    }
}
function HM_f_MoveTo(xPos,yPos) {
    this.style.pixelLeft = xPos;
    this.style.pixelTop = yPos;
}
function HM_f_ShowIt(on) {
    if (!(this.tree.TopIsPermanent && (this.tree.treeParent==this))) {
        if(!this.hasParent || (this.hasParent && this.tree.TopIsPermanent && (this.tree.treeParent==this.parentMenu))) {
            var IsVisible = (this.style.visibility == "visible");
            if ((on && !IsVisible) || (!on && IsVisible))
                eval(on ? this.tree.UponDisplay : this.tree.UponHide)
        }
        if (on) this.style.zIndex = ++HM_ZIndex;
        this.style.visibility = (on) ? "visible" : "hidden";
    }
    if (HM_KeepHilite && this.currentItem && this.currentItem.hasRollover) {
        with(this.currentItem.style){
            backgroundColor = this.tree.BGColor;
            color = this.tree.FontColor;
        }
        if(this.currentItem.hasImageRollover)this.currentItem.imgLyr.src = this.currentItem.imageSrc;
    }
    this.currentItem = null;
}
function HM_f_KeepInWindow() {
    var ExtraSpace     = 10;
    var WindowLeftEdge = document.body.scrollLeft;
    var WindowTopEdge  = document.body.scrollTop;
    var WindowWidth    = document.body.clientWidth;
    var WindowHeight   = document.body.clientHeight;
    var WindowRightEdge  = (WindowLeftEdge + WindowWidth) - ExtraSpace;
    var WindowBottomEdge = (WindowTopEdge + WindowHeight) - ExtraSpace;
    var MenuLeftEdge = this.xPos;
    var MenuRightEdge = MenuLeftEdge + this.style.pixelWidth;
    var MenuBottomEdge = this.yPos + this.style.pixelHeight;
    if (this.hasParent) {
        var ParentLeftEdge = this.parentItem.oL;
    }
    if (MenuRightEdge > WindowRightEdge) {
        if (this.hasParent) {

//4.1
//          this.xPos = ParentLeftEdge + this.tree.HorizOffsetRight - this.offsetWidth;
            this.xPos = ((ParentLeftEdge - this.parentItem.DistanceToLeftEdge) + this.parentItem.ChildOverlap) - this.offsetWidth;
        }
        else {
            dif = MenuRightEdge - WindowRightEdge;
            this.xPos -= dif;
        }
        this.xPos = Math.max(5,this.xPos);
    }
    if (MenuBottomEdge > WindowBottomEdge) {
        dif = MenuBottomEdge - WindowBottomEdge;
        this.yPos -= dif;
    }
    if (MenuLeftEdge < WindowLeftEdge) {
        if (this.hasParent) {

//4.1
//          this.xPos = ParentLeftEdge + this.tree.HorizOffsetLeft;
            this.xPos = (ParentLeftEdge + this.parentItem.DistanceToRightEdge) - this.parentItem.ChildOverlap;
            MenuRightEdge = this.xPos + this.style.pixelWidth;
            if(MenuRightEdge > WindowRightEdge) this.xPos -= (MenuRightEdge - WindowRightEdge);
        }
        else {this.xPos = 5}
    }
}
function HM_f_LinkIt() {
    if (this.linkText.indexOf("javascript:")!=-1) eval(this.linkText)
    else {
        HM_f_HideAll();
        location.href = this.linkText;
    }
}
function HM_f_PopDown(menuname){
    if (!HM_AreLoaded || !HM_AreCreated) return;
    menuname = menuname.replace("elMenu",HM_MenuIDPrefix);
    var MenuToHide = document.all(menuname);
    if(!MenuToHide)return;
    MenuToHide.isOn = false;
    if (!HM_ClickKill) MenuToHide.hideTop();
}
function HM_f_HideAll(callingmenu) {
    for(var i=0; i<HM_TotalTrees; i++) {
        var TopMenu = HM_a_TopMenus[i].tree.startChild;
        if(TopMenu == callingmenu)continue
        TopMenu.isOn = false;
        if (TopMenu.hasChildVisible) TopMenu.hideChildren();
        TopMenu.showIt(false);
    }    
}
function HM_f_HideTree() { 
    HM_HideAllTimer = null;
    if (HM_UserOverMenu) return;
    if (this.hasChildVisible) this.hideChildren();
    this.hideParents();
}
function HM_f_HideTop() {
    TopMenuToHide = this;
    (HM_ClickKill) ? TopMenuToHide.hideSelf() : (this.hideTimer = setTimeout("TopMenuToHide.hideSelf()",HM_TopMilliSecondsVisible));
}
function HM_f_HideSelf() {
    this.hideTimer = null;
    if (!this.isOn && !HM_UserOverMenu) this.showIt(false);
}
function HM_f_HideParents() {
    var TempMenu = this;
    while(TempMenu.hasParent) {
        TempMenu.showIt(false);
        TempMenu.parentMenu.isOn = false;        
        TempMenu = TempMenu.parentMenu;
    }
    TempMenu.hideTop();
}
function HM_f_HideChildren(callingitem) {
    var TempMenu = this.visibleChild;
    while(TempMenu.hasChildVisible) {
        TempMenu.visibleChild.showIt(false);
        TempMenu.hasChildVisible = false;
        TempMenu = TempMenu.visibleChild;
    }
    if((callingitem && (!callingitem.hasMore || this.visibleChild != callingitem.child)) || (!callingitem && !this.isOn)) {
        this.visibleChild.showIt(false);
        this.hasChildVisible = false;
    }
}
function HM_f_CancelSelect(){return false}
function HM_f_PageClick() {
    if (!HM_UserOverMenu && HM_CurrentMenu!=null && !HM_CurrentMenu.isOn) HM_f_HideAll();
}
popUp = HM_f_PopUp;
popDown = HM_f_PopDown;
function HM_f_ResizeHandler(){
    var mouse_x_position, mouse_y_position;
    for(var i=0; i<HM_TotalTrees; i++) {
        var TopMenu = HM_a_TopMenus[i].tree.startChild;
        if(TopMenu.style.visibility == "visible") {
            TopMenu.oldLeft = TopMenu.xPos;
            TopMenu.oldTop = TopMenu.yPos;
            mouse_x_position = TopMenu.mouseX;
            mouse_y_position = TopMenu.mouseY;
            TopMenu.xPos = eval(TopMenu.tree.MenuLeft);
            TopMenu.yPos = eval(TopMenu.tree.MenuTop);
            if(TopMenu.xPos == null) TopMenu.xPos = TopMenu.xIntended;
            if(TopMenu.yPos == null) TopMenu.yPos = TopMenu.yIntended;
            if(!TopMenu.tree.TopIsPermanent) TopMenu.keepInWindow();
            TopMenu.moveTo(TopMenu.xPos,TopMenu.yPos);
            var TempMenu = TopMenu;
            while(TempMenu.hasChildVisible) {
                TempParent = TempMenu;
                TempMenu = TempMenu.visibleChild;
                TempMenu.xPos = TempParent.xPos + TempMenu.xDiff;
                TempMenu.yPos = TempParent.yPos + TempMenu.yDiff;
                if(!TopMenu.tree.TopIsPermanent || (TopMenu.tree.TopIsPermanent && !TopMenu.tree.PositionUnder)) TempMenu.keepInWindow();
                TempMenu.moveTo(TempMenu.xPos,TempMenu.yPos);
            }
        }
    }
    HM_f_OtherResize();
}
HM_f_OtherResize = (window.onresize) ? window.onresize :  new Function;
window.onresize = HM_f_ResizeHandler;
HM_f_OtherOnLoad = (window.onload) ? window.onload :  new Function;
window.onload = function(){setTimeout("HM_f_StartIt()",10)};

//end

Next, the DOM-browser external script.

Produced by Peter Belesis and

All Rights Reserved. Legal Notices.
Created: August 21, 2001
Revised: August 21, 2001

URL: https://www.webreference.com/dhtml/column58/10.html