function popup(url) {
	
	return false;
}

window.onload = function() {
	var anchors = document.body.getElementsByTagName('a');
	for(i = 0; i < anchors.length; i++) {
		if(anchors[i].rel == 'popup')
			anchors[i].onclick = function() { return popup(this.href); };
	}
}