function popup1(url){
mywin=window.open("","goidiaplaywin","screenX=0,screenY=0,top='+((screen.height-550)/2)+',left='+((screen.width-450)/2)), width=670,height=480,scrollbars=yes,menubar=no,resizable=yes,status=no,toolbar=no,directories=no,location=no");
mywin.location.href=url;
mywin.focus();
}