function vtpopup(page){
var w = 630; <!--window width-->
var h = 480; <!--window height-->
var winl = (screen.width - w)/2;
var wint = (screen.height - h)/2;
var option = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+w+",height="+h+",top="+wint+",left="+winl;
window.open(page,'',option);
}

function photopopup(page){
var w = 550; <!--window width-->
var h = 500; <!--window height-->
var winl = (screen.width - w)/2;
var wint = (screen.height - h)/2;
var option = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+w+",height="+h+",top="+wint+",left="+winl;
window.open(page,'',option);
}

function photopopup2(page){
var w = 550; <!--window width-->
var h = 550; <!--window height-->
var winl = (screen.width - w)/2;
var wint = (screen.height - h)/2;
var option = "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+w+",height="+h+",top="+wint+",left="+winl;
window.open(page,'',option);
}