var $on = function(el,type,fnc){
	YAHOO.util.Event.addListener(el, type, fnc);
}
var get = function(id){
	return YAHOO.util.Dom.get(id);
}
function confirmThis(msg, url){
	if (confirm(msg)){
		window.location = url
	}
}
function initCols(){
	equalizeColumns('bd');
}
function equalizeColumns(container){
	var box = document.getElementById(container);
	var region = YAHOO.util.Dom.getRegion(box);
	var height = region.bottom - region.top;
	var columns = YAHOO.util.Dom.getElementsByClassName('yui-b','div',box);
	for(var i=0;i<columns.length;i++){
		YAHOO.util.Dom.setStyle(columns[i],'height',height+'px');
	};
}