Photo = "";
function pop_winPhoto(url){
    if(Photo){
        if(Photo.closed){
            Photo = window.open(url, "Photo", "top=" + ((screen.availHeight/2) - (725 / 2)) + ",left=" + ((screen.availWidth/2) - (840 / 2)) + ",width=840,height=725,resizable=0,toolbar=0,scrollbars=1,location=0,status=0,menubar=0")
        } else { 
            Photo.focus();
        }
    } else {
        Photo = window.open(url,"Photo", "top=" + ((screen.availHeight/2) - (725 / 2)) + ",left=" + ((screen.availWidth/2) - (840 / 2)) + ",width=840,height=725,resizable=0,toolbar=0,scrollbars=1,location=0,status=0,menubar=0")
    }
}