function LoadMenuButtons()
	{
		menu = document.getElementById("colunaesq");
		
		li = menu.getElementsByTagName("li");
		
		for(i = 0; i < li.length; i++)
		{
			li[i].onmouseover = function() {showDDMenu(this)}; 
		}
	}
	
	function showDDMenu(botao)
	{
		hideAllMenus();
		
		if(botao.id)
		{
			var ddmenu = document.getElementById("dd" + botao.id);
			ddmenu.style.visibility = "visible";
		}
	}
	
	function hideAllMenus()
	{
		for(i = 0; i < li.length; i++)
		{
			if(li[i].id)
			{
				var ddmenu = document.getElementById("dd" + li[i].id);
				ddmenu.style.visibility = "hidden";
			} 
		}
	}
	
	window.onload = function() {LoadMenuButtons();};