function scroll(oDiv,sTop){
	var sol=document.documentElement.scrollTop || document.body.scrollTop;
	var odiv=document.getElementById(oDiv);
	
	if(window.XMLHttpRequest){
		return;
	}else{
		odiv.style.position="absolute";
		if(sol!=0){
			odiv.style.top=(sol+sTop)+"px";
		}
		window.onscroll=function(){
			var t=document.documentElement.scrollTop || document.body.scrollTop;
			if(t==0){
				odiv.style.top=sTop+"px";
			}else{
				odiv.style.top=(t+sTop)+"px";
			}
		}
	}
}
function openUrl(url){
	var viewWidth=window.screen.width;
	var viewHeight=window.screen.height;
	var w=770;
	var h=580;
	window.open(url,"","width="+w+",height="+h+",top="+((viewHeight-h)/2-80)+",left="+((viewWidth-w)/2)+",toolbar=no, menubar=no, scrollbars=no,resizable=no,location=no, status=no");
}