var w3c = document.getElementById ? true : false;
var iex = document.all ? true : false;
var ns4 = document.layers ? true : false;

function fixNetscape(){
	if(origWidth != window.innerWidth || origHeight != window.innerHeight){
		window.location.reload();
	}	
}
if(ns4){
	origWidth = window.innerWidth;
	origHeight = window.innerHeight;
	window.onresize = fixNetscape;
}
function newImage(src){
	img = new Image();
	img.src = src;
	return img;
}
function imageSwap(img,obj,div){
	if(ns4 && div != null){
		document.layers[div].document.images[img].src = obj.src;
	}else{
		document.images[img].src = obj.src;
	}
}
function getStyle(name, nest){
	nest = nest ? 'document.'+nest+'.' : '';
	return w3c ? document.getElementById(name).style : iex ? document.all[name].style : ns4 ? eval(nest+'document.'+name) : false;
}

Menus = new Object();
var curMenu = null;

MakeMenu = function(name,left,top,rollimg,rollout,rollover,rolldiv){
	this.name = name;
	this.left = left;
	this.top = top;
	this.timer = null;
	this.rollimg = rollimg;
	this.rollout = newImage(rollout);
	this.rollover = newImage(rollover);
	this.rolldiv = (rolldiv != null) ? rolldiv : null;
	this.obj = name+'Object';
	eval(this.obj+'=this');
}
MakeMenu.prototype.show = function(){
	clearTimeout(this.timer);
	getStyle(this.name).visibility = 'visible';
	imageSwap(this.rollimg,this.rollover,this.rolldiv);
	curMenu = this.name;
}
MakeMenu.prototype.hide = function(){
	this.timer = setTimeout(this.obj+'.hideIt()',500);
}
MakeMenu.prototype.hideIt = function(){
	getStyle(this.name).visibility = 'hidden';
	imageSwap(this.rollimg,this.rollout,this.rolldiv);
}
MakeMenu.prototype.startMenu = function(){
	var html;
	if(ns4){
		html = '<layer name="'+this.name+'" left="'+this.left+'" top="'+this.top+'" z-index="1000" visibility="hidden" ';
	}else{
		html = '<div id="'+this.name+'" style="position:absolute; left:'+this.left+'px; top:'+this.top+'px; z-index:1000; visibility:hidden" ';
	}
	html += 'onMouseOver="Menus.'+this.name+'.show()" onMouseOut="Menus.'+this.name+'.hide()">';
	return html;
}
hideCur = function(){
	if(curMenu != null){
		Menus[curMenu].hideIt();
		curMenu = null;
	}
}
endMenu = function(){
	 return ns4 ? '<\/layer>' : '<\/div>';
}
createMenu = function(name,left,top,rollimg,rollout,rollover,rolldiv){
	Menus[name] = new MakeMenu(name,left,top,rollimg,rollout,rollover,rolldiv);
}

// object name | left position | top position | rollover image name | normal image src | rollover image src | rollover div name (optional)
createMenu('submenu1', 480,  20, 'img_1', '../global/images/global_magazine.gif', '../global/images/global_magazine.gif');

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}