function tr(what,state) {
			objImage = eval("document."+ what);
			objImage.src = "/img/mnu_" + what + "_" + state + ".gif";
		}
		
function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	} 
	
	return 0;
}

function exibe(ele) {
			document.getElementById(ele).style.display="block";
		}

		function esconde() {
			
			for (i=1;i<7;i++)
			{
				document.getElementById("hidden"+i).style.display="none";
			}
		}