//Add predefined id(s) of horizontal UL menus, separated by commas if more than one in the page
var cssmenuids=["topMenu"];

//Submenu anchors
var atags;

//Offset of dropdown from main menu. Default is 0 pixels.
var submenuOffset=0;

//Last exanded item id
var last_expanded = '';

//Last mouse over item
var last_mouseover ;
var menu_init = false;

function init(){
	for (var i=0; i<cssmenuids.length; i++){
		//adding image to anchor
		atags=document.getElementById(cssmenuids[i]).getElementsByTagName("a");
		for (var t=0; t<atags.length; t++){
			var spanref=document.createElement("span")
			spanref.innerHTML="&nbsp;&nbsp;&nbsp;"
			if(atags[t].parentNode.className =="topMenu"){   //top menu
				spanref.className="arrowdiv1";
			}else if(atags[t].parentNode.id.indexOf('_')>0){ //sub menu
				spanref.className="arrowdiv5";	
			}
			atags[t].appendChild(spanref);
		}
		var ultags=document.getElementById(cssmenuids[i]).getElementsByTagName("ul");
		for (var t=0; t<ultags.length; t++){
			var menu= ultags[t];
			ultags[t].style.top=ultags[t].parentNode.offsetHeight+submenuOffset+"px"
		}
	}    
	menu_init = true;
}

//show dropdown menu
function showDropdown(e){
	if (!menu_init) return;
	e.style.zIndex=100
	e.getElementsByTagName("ul")[0].style.visibility="visible"
	e.getElementsByTagName("ul")[0].style.zIndex=0;	
	if(e.className=="topMenu"){
		e.getElementsByTagName("span")[0].className="arrowdiv2";
		e.getElementsByTagName("a")[0].className = "topMenuHover";
	} 
}

//hide dropdown menu
function hideDropdown(e){
	if (!menu_init) return;
	e.style.zIndex=0
	if(e.className=="topMenu"){
		e.getElementsByTagName("span")[0].className="arrowdiv1";
		e.getElementsByTagName("a")[0].className = "topMenu";
	}
	e.getElementsByTagName("ul")[0].style.visibility="hidden";
	e.getElementsByTagName("ul")[0].style.zIndex=100;
}

if (window.addEventListener)
	window.addEventListener("load", init, false)
else if (window.attachEvent)
	window.attachEvent("onload", init)