if (typeof("YAHOO") == 'object')	{

	YAHOO.util.Event.onDOMReady(function () {
		
		YAHOO.namespace("matadoru.tips");
		YAHOO.matadoru.tips.tt = Array;
		
		// get all elements with the correct class
		var elms = document.getElementsByClassName('tip');
		
		// loop over all the elements
		for (var i=0;i<elms.length;i++)	{
			
			var tip = elms[i].innerHTML;
			
			YAHOO.util.Dom.setAttribute(elms[i].parentNode, 'id', "tooltip_"+i);
			
			new YAHOO.widget.Tooltip("tt"+i, { context:"tooltip_"+i, text:elms[i].innerHTML, y:"20px", hidedelay:500, width: "300px" });
			
		}
		
	});

}

function expand(param) {
	document.getElementById(param).style.display=(document.getElementById(param).style.display=="none") ? "" : "none"; 
}