<!--
var newWin;
function openwin(TipUrl)
{
   if(newWin != null && !newWin.closed)
	newWin.close();
	newWin = null;
	var width = 520;
	var height =380; 
	var left =parseInt( ( screen.width - width ) /2 ); 
	var top = parseInt( ( screen.height - height ) /2 );
	newWin = open(TipUrl,"help1","scrollbars=no,resizable=no,status=no,height=" +
       height + ",width=" + width + ",left=" + left + ",top=" + top);
}
//-->