var el = new Array('two','three','four');
for (var i=0;i<3;i++) {
	if (document.getElementById(el[i]).childNodes) {
		document.getElementById(el[i]).setAttribute('onmouseover',function anonymous(){var substyle=this.childNodes[1].style; if (substyle.display=='none' || substyle.display=='') substyle.display='block';});
		document.getElementById(el[i]).setAttribute('onmouseout',function anonymous(){this.childNodes[1].style.display='none';});
	}
}