doMouseOver = function(o){
	//var output,i;
	//for(i in o.parentNode){
	//	output += "<br>" + i + ":" + o.parentNode[i];
	//}
	//document.write(output);
	if(o.parentNode.className!="current"){
		// calculate original background position
		var id_num = o.id.split("_")[1];
		o.parentNode.style.backgroundPosition = "0 -61px";
	}
}
doMouseOut = function(o,force){
	if(this.lastClick == o && !force) return;

	if(o.parentNode.className!="current"){
		// calculate original background position
		var id_num = o.id.split("_")[1];
		//o.style.backgroundPosition = "-" + (id_num * 92) + "px 0";
		o.parentNode.style.backgroundPosition = "0 0";
	}
}
/*
doMouseClick = function(o){
	if(this.lastClick!=undefined){
		this.doMouseOut(this.lastClick,true);
	}
	this.lastClick = o;
	
	// calculate original background position
	var id_num = o.id.split("_")[1];
	o.style.backgroundPosition = "-" + (id_num * 92) + "px -32px";
	o.parentNode.style.backgroundPosition = "0 -122px";
}
*/