HM_DOM = (document.getElementById) ? true : false;
HM_NS4 = (document.layers) ? true : false;
HM_IE = (document.all) ? true : false;
HM_IE4 = HM_IE && !HM_DOM;
HM_Mac = (navigator.appVersion.indexOf("Mac") != -1);
HM_IE4M = HM_IE4 && HM_Mac;
HM_IsMenu = HM_DOM;

jscr = "dom";

var butname, butsrc;
var dx = 0;
var dy = 0;
var calculated = false;

if(window.event + "" == "undefined") event = null;
function HM_f_PopUp(){return false};
function HM_f_PopDown(){return false};
popUp = HM_f_PopUp;
popDown = HM_f_PopDown;

HM_GL_MenuWidth          = 150;
HM_GL_FontFamily         = "Arial,sans-serif";
HM_GL_FontSize           = 7;
HM_GL_FontBold           = false;
HM_GL_FontItalic         = false;
HM_GL_FontColor          = "black";
HM_GL_FontColorOver      = "black";
HM_GL_BGColor            = "#C5D6E7";
HM_GL_BGColorOver        = "#DCE7F2";
HM_GL_ItemPadding        = 1;

HM_GL_BorderWidth        = 0;
HM_GL_BorderColor        = "#B4C0CC";
HM_GL_BorderStyle        = "solid";
HM_GL_SeparatorSize      = 1;
HM_GL_SeparatorColor     = "#B4C0CC";

HM_GL_ImageSrc = "";
HM_GL_ImageSrcLeft = "";

HM_GL_ImageSrcOver = "";
HM_GL_ImageSrcLeftOver = "";

HM_GL_ImageSize          = 5;
HM_GL_ImageHorizSpace    = 5;
HM_GL_ImageVertSpace     = 5;

HM_GL_KeepHilite         = false;
HM_GL_ClickStart         = false;
HM_GL_ClickKill          = 0;
HM_GL_ChildOverlap       = 40;
HM_GL_ChildOffset        = 10;
HM_GL_ChildPerCentOver   = null;
HM_GL_TopSecondsVisible  = .2;
HM_GL_ChildSecondsVisible = .3;
HM_GL_StatusDisplayBuild = 0;
HM_GL_StatusDisplayLink  = 1;
HM_GL_UponDisplay        = null;
HM_GL_UponHide           = null;
HM_GL_RightToLeft		 = false;
HM_GL_CreateTopOnly      = HM_NS4 ? true : false;
HM_GL_ShowLinkCursor     = true;

var dx = 0;
var dy = 0;
var calculated = false;
var over_menu = null;

function calcPos(imn){
	var img = document.images[imn];
	dx = getX(img) - (img.width - 1);
	dy = getY(img) - 1;
}

function checkit(name){
if(document.images[0].offsetLeft){alert("X: "+document.images[name].offsetLeft+"\nY: "+document.images[name].offsetTop)}
else if(document.images[0].x){alert("X: "+document.images[name].x+"\nY: "+document.images[name].y)}
}

function getX(obj){
	if (HM_NS4) {
		if(document.images[0].offsetLeft){
			return document.images[obj].offsetLeft;
		}
		else if(document.images[0].x){
			return document.images[obj].x;
		}
	}
	else {
		return( obj.offsetParent==null ? obj.offsetLeft : obj.offsetLeft+getX(obj.offsetParent) );
	}
}

function getY(obj){
	if (HM_NS4) {
		if(document.images[0].offsetLeft){
			return document.images[obj].offsetTop;
		}
		else if(document.images[0].x){
			return document.images[obj].y;
		}
	}
	else {
		return( obj.offsetParent==null ? obj.offsetTop : obj.offsetTop+getY(obj.offsetParent) );
	}
}


function runMenu(mname,e,iname,isrc){
	if (!calculated) calcPos(iname);
	butnOff();
	popUp(mname,e,iname,isrc);
	//window.status = (dx+ ", " +dy);
}	

function stopMenu(mname,iname,isrc){
	popDown(mname,iname,isrc);
}

function butnOff(){
	for (i=0;i<BN_Array.length;i++) {
		if (document.images[BN_Array[i]]) document.images[BN_Array[i]].src = BS_Array[i];
	}
}

if(HM_IsMenu) {
	document.write("<SCRIPT LANGUAGE='JavaScript' SRC='http://vietmessenger.com/" + "scripts/vm_arrays.js' TYPE='text/javascript'><\/SCRIPT>");
	document.write("<SCRIPT LANGUAGE='JavaScript' SRC='http://vietmessenger.com/" + "scripts/vm_"+ jscr +".js' TYPE='text/javascript'><\/SCRIPT>");
}