function img(url) {
link = window.open(url,"Link","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=0,width=640,height=520,left=175,top=70");
}

function img2(url) {
link = window.open(url,"Link","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=0,width=740,height=507,left=175,top=70");
}