window.addEvent("load", function() {
	$$("a.socialmedia").addEvent("click", function(event) {
		event.stop();

		var width = 750;
		var height = 500;
		var positionX = (screen.width - width) / 2;
		var positionY = (screen.height - width) / 2;

		smw = window.open(this.get("href"), "socialmedia", "width=" + width + ",height=" + height + ",top=" + positionY + ",left=" + positionX);
	});
});