function fnHRMouseOut(e) { 
	YAHOO.util.Dom.removeClass(this, "over");
}		

function fnHRMouseOver(e) {
	YAHOO.util.Dom.addClass(this, "over");
}	

function renderAlternateColors() {


	var highlights = true;

	var tables = YAHOO.util.Dom.getElementsByClassName("listing", "table");

	for ( var t = 0; t < tables.length; t++ ) {
		var items = tables[t].getElementsByTagName("tr");

		for ( var i = 0; i < items.length; i++ ) {
			if ( (i%2) == 1 ) {
				YAHOO.util.Dom.addClass(items[i], "altcolor");
			}
		}
		
		if (highlights) {
			YAHOO.util.Event.addListener(items, "mouseover", fnHRMouseOver);		
			YAHOO.util.Event.addListener(items, "mouseout", fnHRMouseOut);
		}
		
	}

}

YAHOO.util.Event.addListener(window, "load", renderAlternateColors);