function show_menu(lai) {
	if (document.all) {
		
		if (document.all[lai].style.display=="none") {
			document.all[lai].style.display="";
		} else {
			document.all[lai].style.display="none";
		}
	} else {
		if (document.getElementById(lai).style.display=="none") {
			document.getElementById(lai).style.display="";
		} else {
			document.getElementById(lai).style.display="none";
		}
	}
}
function show_menu1() {
	if (document.all) {
		if (document.all['servicos'].style.display=="none") {
			document.all['servicos'].style.display="";
		} else {
			document.all['servicos'].style.display="none";
		}
	} else {
		if (document.getElementById('servicos').style.display=="none") {
			document.getElementById('servicos').style.display="";
		} else {
			document.getElementById('servicos').style.display="none";
		}
	}
}
function show_menu2() {
	if (document.all) {
		if (document.all['overview'].style.display=="none") {
			document.all['overview'].style.display="";
		} else {
			document.all['overview'].style.display="none";
		}
	} else {
		if (document.getElementById('overview').style.display=="none") {
			document.getElementById('overview').style.display="";
		} else {
			document.getElementById('overview').style.display="none";
		}
	}
}
function show_menu3() {
	if (document.all) {
		if (document.all['project_results'].style.display=="none") {
			document.all['project_results'].style.display="";
		} else {
			document.all['project_results'].style.display="none";
		}
	} else {
		if (document.getElementById('project_results').style.display=="none") {
			document.getElementById('project_results').style.display="";
		} else {
			document.getElementById('project_results').style.display="none";
		}
	}
}