Hiermenus Go Forth, X - DHTML Lab | 2

Hiermenus Go Forth, X:
Version 4.0.3 - The Complete Script (Full-Window)

The external HM JavaScript file for DOM-enabled browsers like Internet Explorer 5.x and Gecko-powered browsers (ex. Netscape 6) (HM_ScriptDOM.js in the download.)

/*HM_ScriptDOM.js
* by Peter Belesis. v4.0.3 010123
* 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_IE5M = HM_IE && HM_Mac;
HM_IE5W = HM_IE && !HM_Mac;
HM_NS6 = (navigator.vendor == ("Netscape6") || navigator.product == ("Gecko"));
HM_a_Parameters = [
    ["MenuWidth",          150],
    ["FontFamily",         "Arial,sans-serif"],
    ["FontSize",           10],
    ["FontBold",           false],
    ["FontItalic",         false],
    ["FontColor",          "black"],
    ["FontColorOver",      "white"],
    ["BGColor",            "white"],
    ["BGColorOver",        "black"],
    ["ItemPadding",        3],
    ["BorderWidth",        2],
    ["BorderColor",        "red"],
    ["BorderStyle",        "solid"],
    ["SeparatorSize",      1],
    ["SeparatorColor",     "yellow"],
    ["ImageSrc",           "tri.gif"],
    ["ImageSrcLeft",       "triL.gif"],
    ["ImageSize",          5],
    ["ImageHorizSpace",    0],
    ["ImageVertSpace",     0],
    ["KeepHilite",         false],
    ["ClickStart",         false],
    ["ClickKill",          true],
    ["ChildOverlap",       20],
    ["ChildOffset",        10],
    ["ChildPerCentOver",   null],
    ["TopSecondsVisible",  .5],
    ["StatusDisplayBuild", 1],
    ["StatusDisplayLink",  1],
    ["UponDisplay",        null],
    ["UponHide",           null],
    ["RightToLeft",        false],
    ["CreateTopOnly",      0],
    ["ShowLinkCursor",     false]
]
HM_MenuIDPrefix = "HM_Menu";
HM_ItemIDPrefix = "HM_Item";
HM_ArrayIDPrefix = "HM_Array";
function HM_f_StringTrim(){
    var TestString = this;
    var SpaceChar  = " ";
    while (TestString.charAt(0) == SpaceChar) {TestString = TestString.substr(1)};
    while (TestString.charAt(TestString.length-1) == SpaceChar) {TestString = TestString.substr(0,TestString.length-1)};
    return TestString.toString();
}
HM_a_BadChars = [".","/"," ",",","-"];
function HM_f_StringStrip(){
    var TestString = this;
    var BadChar;
    for(var i=0;i<HM_a_BadChars.length;i++) {
        BadChar = HM_a_BadChars[i];
        BadCharIndex = TestString.lastIndexOf(BadChar);
        if(BadCharIndex!=-1) TestString = TestString.substr(BadCharIndex + 1);
    }
    return TestString.toString();
}
String.prototype.trim = HM_f_StringTrim;
String.prototype.strip = HM_f_StringStrip;
function HM_f_AssignParameters(paramname,defaultvalue){
    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);
    }
    var TestString = eval(FullParamName);
    if(eval("typeof(TestString)") == "string") {
        TestString = TestString.trim();
        if(TestString.length == 0) {
            eval(FullParamName + "= null");
            return;
        }
        if(TestString.charAt(0)=="#")return;
        TestString = TestString.strip();
    }
    if (eval("typeof(" + TestString +")") != 'undefined') {
        eval(FullParamName + "= eval("+ FullParamName +")");
    }
}
for (i=0;i<HM_a_Parameters.length;i++) {
    HM_f_AssignParameters(HM_a_Parameters[i][0],HM_a_Parameters[i][1]);
}
HM_ChildPerCentOver = (isNaN(parseFloat(HM_ChildPerCentOver))) ? null : parseFloat(HM_ChildPerCentOver)/100;
function HM_f_ValidateArray(arrayname){
    return ((typeof eval("window." + arrayname) == "object") && (eval(arrayname).length > 1))
}
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 HM_f_StartIt() {
    if((typeof(document.body) == "undefined") || (document.body == null)) 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();
}
function HM_f_AssignTreeParameters(arrayvalue,defaultvalue){
    var ValueIsString = (typeof arrayvalue == "string");
    if (ValueIsString) arrayvalue = arrayvalue.trim();
    var ValueIsNull = ((arrayvalue == null) || (typeof arrayvalue == "undefined") || (ValueIsString && arrayvalue.length == 0));
    if(ValueIsNull) return defaultvalue;
    var TestString = arrayvalue;
    if(eval("typeof(TestString)") == "string") {
        if(TestString.charAt(0)=="#")return arrayvalue;
        TestString = TestString.strip()
    }
    if (eval("typeof("+ TestString+" )") != 'undefined') {
        eval("arrayvalue = eval(arrayvalue)");
    }
    return arrayvalue;
}
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_AssignTreeParameters(TreeParams[0],HM_MenuWidth),
            MenuLeft         : MenuLeft = HM_f_AssignTreeParameters(TreeParams[1],null),
            MenuTop          : MenuTop = HM_f_AssignTreeParameters(TreeParams[2],null),
            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),
            FontColor        : HM_f_AssignTreeParameters(TreeParams[3],HM_FontColor),
            FontColorOver    : HM_f_AssignTreeParameters(TreeParams[4],HM_FontColorOver),
            BGColor          : HM_f_AssignTreeParameters(TreeParams[5],HM_BGColor),
            BGColorOver      : HM_f_AssignTreeParameters(TreeParams[6],HM_BGColorOver),
            BorderColor      : HM_f_AssignTreeParameters(TreeParams[7],HM_BorderColor),
            SeparatorColor   : HM_f_AssignTreeParameters(TreeParams[8],HM_SeparatorColor),
            TopIsPermanent   : ((MenuLeft == null) || (MenuTop == null)) ? false : HM_f_AssignTreeParameters(TreeParams[9],false),
            TopIsHorizontal  : TopIsHorizontal = HM_f_AssignTreeParameters(TreeParams[10],false),
            TreeIsHorizontal : TreeHasChildren ? HM_f_AssignTreeParameters(TreeParams[11],false) : false,
            PositionUnder    : (!TopIsHorizontal || !TreeHasChildren) ? false : HM_f_AssignTreeParameters(TreeParams[12],false),
            TopImageShow     : TreeHasChildren ? HM_f_AssignTreeParameters(TreeParams[13],true)  : false,
            TreeImageShow    : TreeHasChildren ? HM_f_AssignTreeParameters(TreeParams[14],true)  : false,
            UponDisplay      : HM_f_AssignTreeParameters(TreeParams[15],HM_UponDisplay),
            UponHide         : HM_f_AssignTreeParameters(TreeParams[16],HM_UponHide)
        }
        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) {
                moveTo(HM_CurrentTree.MenuLeft,HM_CurrentTree.MenuTop);
                style.zIndex = 5000;
                style.visibility = "visible";
            }
        }
    }
    if(HM_StatusDisplayBuild) status = HM_TotalTrees + " Hierarchical Menu Trees Created";
    HM_AreCreated = true;
    HM_BeingCreated = false;
}
function HM_f_SetItemProperties(itemid,itemidsuffix) {
    this.tree        = HM_CurrentTree;
    this.index       = HM_CurrentMenu.itemCount - 1;
    this.tree        = HM_CurrentTree;
    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.hasRollover = this.array[2];
    this.permHilite  = (!this.hasRollover && this.array[3]);
    this.hasMore     = this.array[4];
    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;
}
function HM_f_MakeElement(menuid) {
    var MenuObject;
    MenuObject = document.createElement("DIV");
    with(MenuObject){
        id = menuid;
        with(style) {
            position = "absolute";
            visibility = "hidden";
            left = "-500px";
            top = "0px";
            width = (HM_NS6 ? HM_CurrentTree.ItemWidth : HM_CurrentTree.MenuWidth) + "px";
        }
    }
    document.body.appendChild(MenuObject);
    return MenuObject;
}
function HM_f_MakeMenu(menucount) {
    if(!HM_f_ValidateArray(HM_ArrayIDPrefix + menucount)) return false;
    HM_CurrentArray = eval(HM_ArrayIDPrefix + menucount);
    NewMenu = document.getElementById(HM_MenuIDPrefix + menucount);
    if(!NewMenu){
        NewMenu = HM_f_MakeElement(HM_MenuIDPrefix + menucount);
        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.array = HM_CurrentArray;
        HM_CurrentMenu.tree  = HM_CurrentTree;
        HM_CurrentMenu.itemCount = 0;
        HM_CurrentMenu.maxItems = HM_CurrentMenu.array.length - 1;
        HM_CurrentMenu.zIndex = ++HM_ZIndex;
        HM_CurrentMenu.showIt = HM_f_ShowIt;
        HM_CurrentMenu.count = menucount;
        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.hasChildVisible = false;
        HM_CurrentMenu.isOn = false;
        HM_CurrentMenu.hideTimer = null;
        HM_CurrentMenu.currentItem = null;
        HM_CurrentMenu.setMenuStyle = HM_f_SetMenuStyle;
        if(HM_IE) HM_CurrentMenu.onselectstart = HM_f_CancelSelect;
        HM_CurrentMenu.moveTo = HM_f_MoveTo;
        HM_CurrentMenu.setMenuStyle();
    }
    while (HM_CurrentMenu.itemCount < HM_CurrentMenu.maxItems) {
        HM_CurrentMenu.itemCount++;
        HM_CurrentMenu.itemElement = document.getElementById(HM_ItemIDPrefix + menucount + "_" + HM_CurrentMenu.itemCount);
        if(!HM_CurrentMenu.itemElement){
            if(HM_StatusDisplayBuild) status = "Creating Hierarchical Menus: " + menucount + " / " + HM_CurrentMenu.itemCount;
            HM_CurrentMenu.itemElement = HM_f_MakeItemElement(menucount);
        }
        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;
            }
            else {
                HM_CurrentMenu.itemElement.hasMore = false;
            }
        }
    }
    if(HM_CurrentMenu.isHorizontal){
        var ChildHeight = parseInt(HM_CurrentMenu.style.height);
        ChildHeight -= (HM_NS6) ? (HM_ItemPadding * 2) : (HM_BorderWidth * 2);
        for(i=0; i<HM_CurrentMenu.childNodes.length; i++){
            HM_CurrentMenu.childNodes[i].style.height = ChildHeight + "px";
        }
    }
    HM_CurrentTree.treeParent = HM_CurrentTree.startChild = HM_CurrentMenu;
    return HM_CurrentMenu;
}
function HM_f_SetMenuStyle(){
    with(this.style) {
        borderWidth = HM_BorderWidth + "px";
        borderColor = HM_CurrentTree.BorderColor;
        borderStyle = HM_BorderStyle;
        zIndex      = --HM_ZIndex;
        overflow    = "hidden";
        cursor      = "default";
    }
}
function HM_f_MakeItemElement(menucount) {
    var ItemElement = document.createElement("DIV");
    ItemElement.id = HM_ItemIDPrefix + menucount + "_" + HM_CurrentMenu.itemCount;
    ItemElement.style.position = "absolute";
    ItemElement.style.visibility = "inherit";
    HM_CurrentMenu.appendChild(ItemElement);
    ItemElement.setItemProperties = HM_f_SetItemProperties;
    ItemElement.setItemProperties();
    ItemElement.siblingBelow = ItemElement.previousSibling;
    if(ItemElement.linkText) {
        ItemElement.onclick = HM_f_LinkIt;
        if(HM_ShowLinkCursor)ItemElement.style.cursor = HM_NS6 ? "pointer" : "hand";
    }
    ItemElement.menu = HM_CurrentMenu;
    var FullPadding  = (HM_ItemPadding*2) + HM_ImageSize + HM_ImageHorizSpace;
    if(ItemElement.hasMore && HM_CurrentMenu.showImage) {
        var ImageElement = document.createElement("IMG");
        with(ImageElement){
            src = HM_RightToLeft ? HM_ImageSrcLeft : HM_ImageSrc;
            removeAttribute("height");
            hspace = (!HM_RightToLeft && HM_IE5W) ? HM_ItemPadding : 0;
            vspace = 0;
            width = HM_ImageSize;
            with(style) {
                if(HM_RightToLeft) {
                    position = "absolute";
                    top = (HM_ItemPadding + HM_ImageVertSpace) + "px";
                    left = (HM_ItemPadding + HM_ImageHorizSpace) + "px";
                }
                else {
                    position = "relative";
                    marginTop = HM_ImageVertSpace + "px";
                    if(HM_IE5W) {
                        marginRight = -FullPadding + "px";
                    }
                    else marginRight = -(HM_ImageSize + HM_ItemPadding) +"px";
                    if(HM_NS6) cssFloat = "right";
                    else styleFloat = "right";
                }    
            }
        }
    }
    ItemElement.innerHTML = ItemElement.dispText;
    if(ImageElement) ItemElement.insertBefore(ImageElement,ItemElement.firstChild);
    ItemElement.setItemStyle();
    return ItemElement;
}
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;
        padding = HM_ItemPadding +"px";
        font = ((HM_FontBold) ? "bold " : "normal ") + HM_FontSize + "pt " + HM_FontFamily;
        fontStyle = (HM_FontItalic) ? "italic" : "normal";
        if(HM_IE)overflow = "hidden";
        if(HM_CurrentMenu.showImage)    {
            var FullPadding  = (HM_ItemPadding*2) + HM_ImageSize + HM_ImageHorizSpace;
            if (HM_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(HM_IE) width = HM_CurrentTree.ItemWidth + "px";
        else width = (HM_CurrentTree.ItemWidth - (parseInt(paddingLeft) + parseInt(paddingRight))) + "px";
        if(this.menu.isHorizontal){
            if(HM_IE){
                if(this.isLastItem) width = (HM_CurrentTree.MenuWidth - HM_BorderWidth - HM_SeparatorSize) + "px"
                else width = (HM_CurrentTree.MenuWidth - HM_BorderWidth) + "px"
            }
            if(HM_NS6) width = (HM_CurrentTree.MenuWidth - HM_BorderWidth - parseInt(paddingLeft) - parseInt(paddingRight) - HM_SeparatorSize) + "px";
            top = "0px";
            if(HM_IE) left = (this.index * (HM_CurrentTree.MenuWidth - HM_BorderWidth)) + "px";
            if(HM_NS6) left = ((this.index * parseInt(width)) + ((HM_SeparatorSize * this.index)))  + ((parseInt(paddingLeft) + parseInt(paddingRight)) * this.index) + "px";
            var LeftAndWidth = parseInt(left) + parseInt(width);
            this.menu.style.width = LeftAndWidth + (HM_IE ? (HM_BorderWidth * 2) : (parseInt(paddingLeft) + parseInt(paddingRight))) + "px"
            if(this.index) {
                var SiblingHeight = this.siblingBelow.offsetHeight;
                this.menu.style.height = Math.max(parseInt(this.menu.style.height),SiblingHeight+(HM_NS6 ? 0 : HM_BorderWidth * 2)) + "px";
            }
               else{
                var SiblingHeight = this.offsetHeight;
                this.menu.style.height = SiblingHeight + (HM_NS6 ? 0 : HM_BorderWidth * 2) + "px";
            }
        }
        else {
            left = "0px";
            if (this.index) {
                var SiblingHeight = this.siblingBelow.offsetHeight;
                top = parseInt(this.siblingBelow.style.top) + SiblingHeight + "px";
            }
            else top = "0px";
            this.menu.style.height = parseInt(top) + (HM_IE5W ? this.scrollHeight : this.offsetHeight) + (HM_NS6 ? 0 : (HM_BorderWidth * 2)) + "px";
        }
    }
}
function HM_f_PopUp(menuname,e){
    if(HM_IE) e = event;
    if (!HM_AreLoaded) return;
    menuname = menuname.replace("elMenu",HM_MenuIDPrefix);
    var TempMenu = document.getElementById(menuname);
    if(!TempMenu)return;
    HM_CurrentMenu = TempMenu;
    if (HM_ClickStart) {
        var ClickElement = (HM_IE) ? e.srcElement : e.target;
        if(HM_NS6) {
            while(ClickElement.tagName==null){
                ClickElement = ClickElement.parentNode;
            }
        }
        ClickElement.onclick = HM_f_PopMenu;
    }
    else HM_f_PopMenu(e);
}
function HM_f_PopMenu(e){
    if(HM_IE) e = event;
    if (!HM_AreLoaded || !HM_AreCreated) return true;
    if (HM_ClickStart && e.type != "click") return true;
    HM_f_HideAll();
    HM_CurrentMenu.hasParent = false;
    HM_CurrentMenu.tree.startChild = HM_CurrentMenu;
    var EventX = (HM_IE) ? (e.clientX + document.body.scrollLeft) : e.pageX;
    var EventY = (HM_IE) ? (e.clientY + document.body.scrollTop)  : e.pageY;
    HM_CurrentMenu.xPos = (HM_CurrentMenu.tree.MenuLeft!=null) ? HM_CurrentMenu.tree.MenuLeft : EventX;
       HM_CurrentMenu.yPos = (HM_CurrentMenu.tree.MenuTop!=null)  ? HM_CurrentMenu.tree.MenuTop  : EventY;
    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(HM_IE && event.srcElement.contains(event.toElement)) return;
    this.isOn = false;
    HM_UserOverMenu = false;
    if(HM_StatusDisplayLink) status = "";
    if(!HM_ClickKill) HM_HideAllTimer = setTimeout("HM_CurrentMenu.hideTree()",10);  
}
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(HM_IE && event.srcElement.tagName == "IMG") return;
    if(this.hasRollover) {
        this.style.backgroundColor = this.tree.BGColorOver;
        this.style.color = this.tree.FontColorOver;
    }
    if(HM_StatusDisplayLink) status = this.linkText;
    this.menu.currentItem = this;
    if (this.menu.hasChildVisible && (this.menu.visibleChild != this.child)) {
        this.menu.hideChildren(this);
    }
    if (this.hasMore) {
        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;
        }
        if (this.tree.PositionUnder && (this.menu == this.tree.treeParent)) {
            this.child.xPos = parseInt(this.menu.style.left) + parseInt(this.style.left);
            this.child.yPos = parseInt(this.menu.style.top)  + this.menu.offsetHeight - (HM_BorderWidth);
        }
        else {
            if(HM_IE5M) {
                this.oL = parseInt(this.menu.style.left) - HM_BorderWidth;
                this.oL += this.offsetLeft;
                this.oT =  parseInt(this.menu.style.top)  -HM_BorderWidth;
                this.oT += this.offsetTop;
            }
            else {
                this.oL = (HM_IE) ? parseInt(this.menu.style.left) : -HM_BorderWidth;
                this.oL += this.offsetLeft;
                this.oT = (HM_IE) ? parseInt(this.menu.style.top) : -HM_BorderWidth;
                this.oT += this.offsetTop;
            }
            if(HM_RightToLeft) {
                this.child.xPos = this.oL + (this.tree.HorizOffsetRight - this.child.offsetWidth);
            }
            else {        
                this.child.xPos = this.oL + this.tree.HorizOffsetLeft;
            }
            this.child.yPos = this.oT + HM_ChildOffset + HM_BorderWidth;
        }
        if(!this.tree.PositionUnder) 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_ItemOut() {
    if (HM_IE && (event.srcElement.contains(event.toElement)
      || (event.fromElement.tagName=="IMG" && 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
        }
    }
}
function HM_f_MoveTo(xPos,yPos) {
    this.style.left = xPos + "px";
    this.style.top = yPos + "px";
}
function HM_f_ShowIt(on) {
    if (!(this.tree.TopIsPermanent && (this.tree.treeParent==this))) {
        if(!this.hasParent || (this.hasParent && this.tree.TopIsPermanent)) {
            var IsVisible = (this.style.visibility == "visible");
            if ((on && !IsVisible) || (!on && IsVisible))
                eval(on ? this.tree.UponDisplay : this.tree.UponHide)
        }
        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;
        }
    }
    this.currentItem = null;
}
function HM_f_KeepInWindow() {
    var ExtraSpace     = 10;
    var WindowLeftEdge = (HM_IE) ? document.body.scrollLeft   : window.pageXOffset;
    var WindowTopEdge  = (HM_IE) ? document.body.scrollTop    : window.pageYOffset;
    var WindowWidth    = (HM_IE) ? document.body.clientWidth  : window.innerWidth;
    var WindowHeight   = (HM_IE) ? document.body.clientHeight : window.innerHeight;
    var WindowRightEdge  = (WindowLeftEdge + WindowWidth) - ExtraSpace;
    var WindowBottomEdge = (WindowTopEdge + WindowHeight) - ExtraSpace;
    var MenuLeftEdge = this.xPos;
    var MenuRightEdge = MenuLeftEdge + this.offsetWidth;
    var MenuBottomEdge = this.yPos + this.offsetHeight;
    if (this.hasParent) {
        var ParentLeftEdge = parseInt(this.parentMenu.style.left);
    }
    if (MenuRightEdge > WindowRightEdge) {
        if (this.hasParent) {
            this.xPos = ParentLeftEdge + this.tree.HorizOffsetRight - this.offsetWidth;    
        }
        else {
            dif = MenuRightEdge - WindowRightEdge;
            this.xPos -= dif;
        }
    }
    if (MenuBottomEdge > WindowBottomEdge) {
        dif = MenuBottomEdge - WindowBottomEdge;
        this.yPos -= dif;
    }
    if (MenuLeftEdge < WindowLeftEdge) {
        if (this.hasParent) {
            this.xPos = ParentLeftEdge + this.tree.HorizOffsetLeft;
        }
        else {this.xPos = 5}
    }       
}
function HM_f_LinkIt() {
    HM_f_HideAll();
    if (this.linkText.indexOf("javascript")!=-1) eval(this.linkText)
    else location.href = this.linkText;
}
function HM_f_PopDown(menuname){
    if (!HM_AreLoaded || !HM_AreCreated) return;
    menuname = menuname.replace("elMenu",HM_MenuIDPrefix);
    var MenuToHide = document.getElementById(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 (!this.isOn || !callingitem.hasMore || this.visibleChild != this.child) {
        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;
window.onload = function(){setTimeout("HM_f_StartIt()",10)};

//end

Join us next time when we prove that 4.0.4 is not always a number associated with errors.

Produced by Peter Belesis and

All Rights Reserved. Legal Notices.
Created: Jan 23, 2001
Revised: Jan 23, 2001

URL: https://www.webreference.com/dhtml/column46/10.html