function popup(){
			
			
			document.getElementById('popup').style.display='block';
			var conheight   =  document.getElementById('popup').offsetHeight;
			document.getElementById('popup').style.left=((screen.width  - 592)/2)+'px';
			//document.getElementById('popup').style.left=((screen.width  - 592)-592/2)+'px';
			document.getElementById('popup').style.top=150+'px';			
			document.getElementById('closebtn').onclick=function(){
					document.getElementById('popup').style.display='none';
				}
			
		}
	

// JavaScript Document
//function popup(url) 
//{
//	 
//	 var width  = 913;
//	 var height = 400;
//	 var left   = (screen.width  - width)/2;
//	 var top    = 200;
//	 var params = 'width='+width+', height='+height;
//	 params += ', top='+top+', left='+left;
//	 params += ', directories=no';
//	 params += ', location=no';
//	 params += ', menubar=no';
//	 params += ', resizable=no';
//	 params += ', scrollbars=no';
//	 params += ', status=no';
//	 params += ', toolbar=no';
//	 newwin=window.open(url,'windowname5', params);
//	 if (window.focus) {newwin.focus()}
//	 return false;
//}
/*function height(){
	var test=document.documentElement.clientHeight;
	alert(test);
}*/
/*function popup(){
	
	window.open("popup.html","Homepage","resizable=no,status=yes,scrollbars=yes,width=913,height=500");
}*/