function $(){
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

function external(){
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName('a');

	for (var i=0; i<anchors.length; i++){
		var anchor = anchors[i];
		
		var relAttribute = String(anchor.getAttribute('rel'));
		
		if (anchor.getAttribute('href') && (relAttribute=='external')){
			anchor.onclick = function() {
				website(this);
				return false;
			};
		}
	}
}

function website(url){
	popupWindow = window.open(url, '_blank','');
	popupWindow.focus();
}

window.onload=external;