<public:component>
<public:attach event="onreadystatechange" onevent="paint()" />
<script type="text/javascript">
	function paint(){
		this.p?0:(this.previousSibling==null?this.className='odd':(/odd$/.test(this.previousSibling.className)?this.className="even":this.className="odd"),this.p=1)
	}
</script>
</public:component>