function menuItemOver(itemId){
		var item = document.getElementById(itemId);
		if(item != null){
			item.src="../images/"+itemId+"_over"+".jpg";
			displaySub(itemId);
		}
	}
	
	function menuItemOut(itemId,active){
		var item = document.getElementById(itemId);
		if(item != null){
			var add ="";
			if (active==1){
				add="_over";
			}
			item.src="../images/"+itemId+add+".jpg";
			hideSub(itemId);
		}
	}
	
	function displaySub(itemId){
		var item = document.getElementById(itemId+"_sub");
		if(item != null){
			item.style.display="block";			
		}
	}
	function hideSub(itemId){
		var item = document.getElementById(itemId+"_sub");
		if(item != null){
			item.style.display="none";			
		}
	}

	
	function correctSubPosition(){	
		var docWidth=getDocumentWidth();
		var page= document.getElementById("page");
		var xShift=137;
		var pageWidth=960;
		var subXPosition = xShift;
		if(docWidth>pageWidth){subXPosition +=(docWidth/2)-(pageWidth/2);}
		var menu=document.getElementById("menu");
		var menuLi = menu.getElementsByTagName("li");
		for(var i=0;i<menuLi.length;i++){
			var subUl=menuLi[i].getElementsByTagName("ul");
			for(var j = 0;j<subUl.length;j++){
				if(subUl[j].className=="submenu"){
					subUl[j].style.top=143;
					subUl[j].style.left=page.offsetLeft+xShift;
					subUl[j].style.width=page.offsetWidth-xShift;
					
				}
			}
		}
		
	}