var newwindow=null;
function window_open(url)
{
    newwindow=window.open(url,"displaywindow","status=0,menubar=0,toolbar=0,scroll=0,width=350,height=200,top=125,left=200,maximize=no");
    if (newwindow!=null)
     {
	     if (newwindow.opener==null)
         newwindow.opener=self;
         newwindow.focus();
    }
}