function muda_aba(div)
	{
		switch (div)
		{
			case "cont_abas1" : 
				document.getElementById("cont_abas1").style.display = "block"; 
				document.getElementById("cont_abas2").style.display = "none"; 
				document.getElementById("cont_abas3").style.display = "none"; 
				document.getElementById("aba_voce").src = "imagens/aba_evento_on.jpg";
			break; 
			case "cont_abas2" : 
				document.getElementById("cont_abas1").style.display = "none"; 
				document.getElementById("cont_abas2").style.display = "block"; 
				document.getElementById("cont_abas3").style.display = "none"; 
				document.getElementById("aba_voce").src = "imagens/aba_informativo_on.jpg";
			break; 
			case "cont_abas3" : 
				document.getElementById("cont_abas1").style.display = "none"; 
				document.getElementById("cont_abas2").style.display = "none"; 
				document.getElementById("cont_abas3").style.display = "block"; 
				document.getElementById("aba_voce").src = "imagens/aba_comunidade_on.jpg";
			break; 
		}
	}

	function mostra_navegador()
	{
		obj_inter               = document.getElementById("interferencia");
		obj_top                 = document.getElementById("interferencia_top");
		obj_left                = document.getElementById("interferencia_left");

		obj_inter.style.display = "none"; 
		obj_top.style.display   = "none"; 
		obj_left.style.display  = "none"; 
		
		if ((obj_inter.innerHTML != "") && (obj_inter.innerHTML != "<P>&nbsp;</P>") && (obj_inter.innerHTML != "<P></P>"))
		{
			if (navigator.appName == "Microsoft Internet Explorer") 
			{
				obj_inter.style.display = "block"; 
				obj_inter.style.position = "absolute"; 			
				obj_inter.style.top = obj_top.innerHTML.substr(3,obj_top.innerHTML.length-7);
				obj_inter.style.left = obj_left.innerHTML.substr(3,obj_left.innerHTML.length-7);
			}
			else
			{
				if (navigator.userAgent.indexOf("Firefox") != -1)
				{
					obj_inter.style.display = "block"; 
					obj_inter.style.position = "absolute"; 			
					obj_inter.style.top = obj_top.innerHTML.substr(4,obj_top.innerHTML.length-9);
					obj_inter.style.left = obj_left.innerHTML.substr(4,obj_left.innerHTML.length-9);
				}
				else
				{
					obj_inter.style.display = "block"; 
					obj_inter.style.position = "absolute"; 			
					obj_inter.style.top = obj_top.innerHTML.substr(5,obj_top.innerHTML.length-11);
					obj_inter.style.left = obj_left.innerHTML.substr(5,obj_left.innerHTML.length-11);
				}
			}
		}
	}

	function pop_up(endereco,titulo,propriedades)
	{
		if (titulo != '')
			window.open(endereco,titulo,propriedades);
		else
			window.open(endereco);
	}