var currentWHeight=0;
var navTopStart=292;
function checkHeight(){
	var wHeight=window.innerHeight;
	if(wHeight!=currentWHeight)
		resetMainNav();
	setTimeout('checkHeight()',500);
}
function resetMainNav(){
	var wHeight=(document.all) ? document.documentElement.clientHeight : window.innerHeight;
	currentWHeight=wHeight;
	var loginTop;
	var mRef=document.getElementById("mainNavigation");
	var lRef=document.getElementById("logo");
	var logRef=document.getElementById("login");
	var mTop=mRef.offsetTop;
	var mHeight=mRef.offsetHeight;
	var space=wHeight-navTopStart-mHeight;
	//alert(space);
	if(space<0)
	{
		mTop=navTopStart+space;
		mRef.style.top=mTop+"px";		
		if(mTop<152)
		{
			lRef.style.left=899+"px";
		}
		else
		{
			logRef.style.top=mTop+"px";
		}
	}
	else
	{
		mRef.style.top=navTopStart+"px";
		logRef.style.top=navTopStart+"px";	
		lRef.style.left=33+"px";		
	}
	//checkHeight();
}
window.onload = resetMainNav;
window.onresize = resetMainNav;