var goPopX = (screen.width/2)-250;
var goPopY = (screen.height/2)-250;
var loc = "left="+goPopX+",top="+goPopY;
function goPop(){
goPopWindow = window.open("http://www.hairdressers-leeds.co.uk/contact/add-salon.php","","scrollbars=no,resizable=yes,width=500,height=500,"+loc);
}