function toggleNext(el) {
 var next=el.nextSibling;
 while(next.nodeType != 1) next=next.nextSibling;
 next.style.display=((next.style.display=="none") ? "block" : "none");
}

function toggleNextByIdAndTag1(el,tname) {
	var ccn="clicker";
	clickers=document.getElementById(el).getElementsByTagName(tname);
	for (i=0; i<clickers.length; i++) {
		clickers[i].className+=" "+ccn;
		clickers[i].onclick=function() {toggleNext(this)}
		toggleNext(clickers[i]);
	}
}
window.onload=function(){toggleNextByIdAndTag1('togglelist','h4')}