// JavaScript Document

function init()
	{
		var topnav_1=document.getElementById("topnav").childNodes;
		var main_name=document.URL.replace(/_\w*\./,".");
				
		for(x=0;x<topnav_1.length;x++)
		{
			if(topnav_1[x].nodeType==1)
			{ 
				link_URL=topnav_1[x].href; 
				
				if(document.URL==link_URL || main_name==link_URL ){ topnav_1[x].style.color="#C6DFE8";}
			}
		}
		
		show_totop();
		window.onresize=show_totop;
	}
	
	function show_totop()
	{
			var docH=0;
			if(document.all) { docH=document.body.offsetHeight; } else {  docH=window.innerHeight; }
			
			var posY=findPosY("totop");
			
			if(docH<posY){	document.getElementById("totop").style.visibility="visible";	 }
			else { document.getElementById("totop").style.visibility="hidden"; }
	}
	
	function findPosY(objname)
	{
		obj=document.getElementById(objname)
		
		var curtop = 0;
		if (obj.offsetParent)
		{
			while (obj.offsetParent)
			{
				curtop += obj.offsetTop
				obj = obj.offsetParent;
			}
		}
		else if (obj.y) curtop += obj.y;
		
		return curtop;
	}