function MM_swapImgRestore() { //v3.0
			  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
			}
			
			function MM_findObj(n, d) { //v4.01
			  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
			  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
			  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
			  if(!x && d.getElementById) x=d.getElementById(n); return x;
			}
			
			function MM_swapImage() { //v3.0
			  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
			   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
			}

function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}
function centerContent() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			//var contentHeight = (document.getElementById('contentwrap').offsetHeight);
			var contentHeight = 763;
			var contentElement = document.getElementById('centerwrap');
			var contentTopOffset = ((windowHeight-contentHeight)/2);
			if(contentTopOffset<0){
				contentElement.style.top = 0;
			}else{
				//alert(contentTopOffset);
				contentElement.style.top = contentTopOffset + 'px';				
			}
		}
	}
}
window.onresize = function() {
	centerContent();
}
/*
window.onscroll = function() {
}
*/