/* Displaying a popup window */
function popupWindow(url) {
	/*  IF INTERNET EXPLORER */
	if (window.showModalDialog) {
		window.showModalDialog(url, 'name', 'dialogWidth:600px;dialogHeight:360px');
	}
	/* IF MOZILLA */
	else {
		window.open(url, 'name', 'height=360,width=600,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,modal=yes');
	}	
}