function callBack (productName){

url = 'http://www.nineclouds.ca/callBack.html?'+productName;

var pop = window.open(url, '', 'width=430,height=214,scrollbars=no,menubar=no,location=no,status=no,resizable=no,toolbars=no');

var left_coord;
left_coord = (screen.width/2) - (430/2);

var top_coord = 10;
top_coord = (screen.height/2) - (214/2);

pop.moveTo(left_coord,top_coord);

}