window.onload = function (){
	var node_a = document.getElementsByTagName('a');
		for (var i in node_a) {
			if(node_a[i].className == 'popup'){
				node_a[i].onclick = function() {
					return winOpen(this.href, this.rel)
				};
			}
		}
} ;

function winOpen(url, rel) {
	var split = rel.split(',') ;
	var mini_window = null;

	mini_window = window.open(url,'popup',
					'width='+ split[0] +
					',height='+ split[1] +
					',toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes');
	mini_window.focus();

	return false;
};