function reveal(element)

{

	var menu = element.id;
	
	element.parentNode.parentNode.className = menu;


}

function revealcontent(element)

{

	var conteudo = element.className;
	
	document.getElementById("termopares").className = "";
	document.getElementById("tubosdeligacao").className = "";
	document.getElementById("evaporadoresaletados").className = "";
	document.getElementById("evaporadortubochapa").className = "";
	document.getElementById("evaporadorcaixafreezer").className = "";
	document.getElementById("resistenciastubulares").className = "";
	document.getElementById(conteudo).className = "on";


}