hm_scriptdom.js

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/*HM_ScriptDOM.js
* by Peter Belesis. v4.0.13 010712
* Copyright (c) 2001 Peter Belesis. All Rights Reserved.
* Originally published and documented at http://www.dhtmlab.com/
* You may use this code only if this entire
* copyright notice appears unchanged and you publicly display
* a link to http://www.dhtmlab.com/.
*
* Contact [e-mail] for all other uses.
*/

HM_IE5M = HM_IE && HM_Mac;
HM_IE5W = HM_IE && !HM_Mac;
HM_NS6 = (navigator.vendor == ("Netscape6") || navigator.product == ("Gecko"));
HM_IEDTD = (HM_IE && document.doctype) ? document.doctype.name.indexOf(".dtd")!=-1 : false;
HM_IEnoDTD = HM_IE && !HM_IEDTD;

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 HM_f_StartIt() {
	if(HM_AreCreated) return;
	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();
	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"),
			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_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")
		}

		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 = 5000;
			}
			if(HM_IE5M) setTimeout(HM_CurrentTree.treeParent.id + ".fixSize(true)",10);	
			else HM_CurrentTree.treeParent.style.visibility = "visible";
		}
    }

	if(HM_StatusDisplayBuild) status = HM_TotalTrees + " Hierarchical Menu Trees Created";
    HM_AreCreated = true;
    HM_BeingCreated = false;
}

function HM_f_SetItemProperties(itemidsuffix) {
	this.tree        = HM_CurrentTree;
	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.showChild   = HM_f_ShowChild;
	this.ClickStart = this.hasMore && this.tree.ClickStart && (this.tree.TopIsPermanent && (this.tree.treeParent==this.menu));
	if(this.ClickStart) {
		this.linkText = "";
		this.onclick = this.showChild;