function changePrice(list_id, price_id) {
	
//	if (!document.getElementById("media_list")) return false;
//	if (!document.getElementById("media_price")) return false;

	var newprice = "$" + document.getElementById(list_id).options[document.getElementById(list_id).selectedIndex].getAttribute("class");		

	var price = document.getElementById(price_id);
	if (price.firstChild.nodeType == 3) {
		price.firstChild.nodeValue = newprice;
	}
	
	return false;
	
}

function addLoadEvent(func) {
	
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
	
}