// JScript File
function openCenterWindow(FileName)
{
var winW = 500;
var winH = 350;
var winX = (screen.availWidth - winW) / 2;
var winY = (screen.availHeight - winH) / 2;
var features = 'left=' + winX + ',top=' + winY +',height=' + winH + ',' + 'width=' +                      winW + ',status=yes,' + 'toolbar=no,                     menubar=no,location=no';
window.open(FileName, null, features);
return false;
}