[RESOLVED] Popup Window Q.?

[rdoyle720]

function createModal()
{
var url_source="https://www.facebook.com/login.php"; /* define if you want a page popped into it */
var winWidth=screen.width*.5;
var winHeight=screen.height*.5;
var modal_dim="dialogWidth:"+winWidth+"; dialogHeight:"+winHeight+"; center:yes";
var x = window.showModalDialog(url_source,"",modal_dim);
}