function Popup(pgurl,sx,sy)
{

 var url    = pgurl;
 var height = sy;
 var width  = sx;
 var popup;
 var lefttop;

 lefttop='toolbars=0,scrollbars=yes,location=0,statusbars=0,menubars=0,resizable=yes,width='+width+',height='+height;

 popup = window.open(url,'popup',lefttop);
 popup.window.focus();

}