function popup()
{
        if (top.name!='PopWindow') {

                //var display = 'http://www.supersafelists.com/adtrackhead.asp?id=' + id;
				//var display = 'http://www.safelistbuilder.com/adtrackhead.asp';
				var display = 'http://www.safelistmatrix.com/smimages/adtrack.htm';

		popwindow=window.open(display,'PopWindow','width=510,height=560,left=1,right=1,top=0,toolbar=no,menubar=no,scrollbars=no,status=no,resizable=no,location=no');
                window.focus();
                return true;
        }
}

document.onload=popup;
window.onload=popup;