$(document).ready(function(){
	var lis=document.getElementById("menu").getElementsByTagName("li");
	var cont=1;
	for (var i=0;i<lis.length;i++){
		var el=lis[i];
		var ul=el.getElementsByTagName("ul");
		if (ul.length!=0){
			if (exp!=null){
				if (cont==exp){
					var tam=el.getElementsByTagName("ul")[0].getElementsByTagName("li").length;
					tam=2+(1.3+0.5)*tam-0.8;
					el.style.height=tam+'em';
					el.getElementsByTagName("ul")[0].style.display='inline';
				}
			}
			el.getElementsByTagName("a")[0].onclick=ampliar1;
			cont++;
		}
	}
});
/*
window.onload=function() {
	var lis=document.getElementById("menu").getElementsByTagName("li");
	var cont=1;
	for (var i=0;i<lis.length;i++){
		var el=lis[i];
		var ul=el.getElementsByTagName("ul");
		if (ul.length!=0){
			if (exp!=null){
				if (cont==exp){
					var tam=el.getElementsByTagName("ul")[0].getElementsByTagName("li").length;
					tam=2+(1.3+0.5)*tam-0.8;
					el.style.height=tam+'em';
					el.getElementsByTagName("ul")[0].style.display='inline';
				}
			}
			el.getElementsByTagName("a")[0].onclick=ampliar1;
			cont++;
		}
	}
}
*/
function ampliar1(){
	if (this.parentNode.getElementsByTagName("ul")[0].style.display=='inline'){
		this.parentNode.getElementsByTagName("ul")[0].style.display='none';
		this.parentNode.style.height='2em';
		return false;
	}else{
		var tam=this.parentNode.getElementsByTagName("ul")[0].getElementsByTagName("li").length;
		tam=2+(1.3+0.5)*tam-0.8;
		this.parentNode.style.height=tam+'em';
		this.parentNode.getElementsByTagName("ul")[0].style.display='inline';
		return false;
	}
}