function createJButton(label,href,iconClassName,onclickHandler){

	var li=Builder.node('li');
	var a=Builder.node('a',{className:'JToolBarButton'});
	var span=Builder.node('span',{className:'JBIcon '+iconClassName},label);

	li.appendChild(a);
	a.appendChild(span);


	li.title=label;
	//li.onclick=onclickHandler;
	a.onclick=onclickHandler;
	//span.onclick=onclickHandler;

	if(href){
		a.href=href;
	}

	return(li);
}