function new_window(url)
 {

     //link = window.open(url,"Link","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=750,height=570,left=40,top=50");
     //Open a Window in New tab
     var popupwin = null;
     //link = window.open(url);
     popupwin = window.open(url);
     if (window.focus) {
         popupwin.focus();
     }
     //window.focus();
}