function getElementsByClassName(classname, node) {
	if(!node) node = document.getElementsByTagName("body")[0];
	var a = [];
	var re = new RegExp('\\b' + classname + '\\b');
	var els = node.getElementsByTagName("*");
	for(var i=0,j=els.length; i<j; i++)
	if(re.test(els[i].className)) a.push(els[i]);
	return a;
}

function initnews() {
	newz=getElementsByClassName("news");

	for (i=0; i<newz.length; i++) {
		head=getElementsByClassName("head",newz[i]);
		newz[i].num=i;
		head[0].getElementsByTagName("a")[0].num=i;
		head[0].getElementsByTagName("a")[0].onclick = function () {
			for (j=0; j<newz.length; j++) {
				if ( newz[j].num != newz[this.num].num ) newz[j].className="news";
			}
			if ( newz[this.num].className == "news" ) {
				newz[this.num].className="active news";
			}
			else {
				newz[this.num].className="news";
				return false;
			}
		}
	}
}

window.onload=initnews;