function clickArea(tagName, className) {
	var els = document.getElementsByTagName(tagName);
	for (var i = 0; i < els.length; i++) if (els[i].className.indexOf(className)>=0) {
		els[i].onmouseover=function() {
			this.className+=" registerboxhover";
			window.status = this.getElementsByTagName("a")[0].href;
			return true;
		}
		els[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" registerboxhover\\b"), "");
			window.status = "";
			return true;
		}
		els[i].onclick = function () {location.href = this.getElementsByTagName("a")[0].href}
   }
}

window.onload = function() {
   clickArea("div", "registerbox");
}