// JavaScript Document
var navItems =  new Array('About_Us','Admissions','Academics','Tuition_Aid','Distance_Learning','Community');
var navActive = '';
	function init_nav(mainNavId){
		if(navActive != ''){
			for(var i = 0; i < navItems.length; i++){
				subnav_div = "subNav"+navItems[i].replace("_","")
				nav_div = "mainNav"+navItems[i].replace("_","")
				document.getElementById(subnav_div).style.display = 'none';
				document.getElementById(nav_div).style.background = ''
			}
			
			subnav_div = navActive;
			left_pos = findPosX(mainNavId) + 110
			top_pos = findPosY(mainNavId) + 10
			document.getElementById(subnav_div).style.top = top_pos+'px';
			document.getElementById(subnav_div).style.left = left_pos+'px';
			document.getElementById(subnav_div).style.display = 'block';
			document.getElementById(mainNavId).style.background = 'url(webroot/images/layout/'+mainNavId+'Over.jpg) no-repeat'
			//set background to over state
		}else{
			for(var i = 0; i < navItems.length; i++){
				subnav_div = "subNav"+navItems[i].replace("_","")
				nav_div = "mainNav"+navItems[i].replace("_","")
				document.getElementById(subnav_div).style.display = 'none';
				document.getElementById(nav_div).style.background = ''
			}
		}
	}

	function init_sub_nav(navId,SubNavId){
		cur_state = document.getElementById(SubNavId).style.display
		if(cur_state == 'none'){
			top_pos = 10
			document.getElementById(SubNavId).style.top = top_pos+'px';
			document.getElementById(SubNavId).style.left = 120+'px';
			document.getElementById(SubNavId).style.display = 'block';
		}else{
			document.getElementById(SubNavId).style.display = 'none';
		}
	}
	
	function findPosX(id){
		var curleft = 0;
		obj = document.getElementById(id)
		if(obj.offsetParent)
			while(1) 
			{
			  curleft += obj.offsetLeft;
			  if(!obj.offsetParent)
				break;
			  obj = obj.offsetParent;
			}
		else if(obj.x)
			curleft += obj.x;
		return curleft;
		alert(curleft)
	}
	
	function findPosY(id){
		var curtop = 0;
		obj = document.getElementById(id)
		if(obj.offsetParent)
			while(1)
			{
			  curtop += obj.offsetTop;
			  if(!obj.offsetParent)
				break;
			  obj = obj.offsetParent;
			}
		else if(obj.y)
			curtop += obj.y;
		return curtop;
	}