function cambiar(pestania){
	document.getElementById("tposicionamiento").style.display = "none";
	document.getElementById("posicionamiento").style.color = "#666666";
	document.getElementById("tcontenidos").style.display = "none";
	document.getElementById("contenidos").style.color = "#666666";
	document.getElementById("ttecnologia").style.display = "none";
	document.getElementById("tecnologia").style.color = "#666666";
	document.getElementById("tsencillez").style.display = "none";
	document.getElementById("sencillez").style.color = "#666666";
	document.getElementById("talta").style.display = "none";
	document.getElementById("alta").style.color = "#666666";
	document.getElementById("tpenalizaciones").style.display = "none";
	document.getElementById("penalizaciones").style.color = "#666666";
	document.getElementById("tayuda").style.display = "none";
	document.getElementById("ayuda").style.color = "#666666";
	document.getElementById("tterminos").style.display = "none";
	document.getElementById("terminos").style.color = "#666666";
	document.getElementById("t"+pestania).style.display = "inline";
	document.getElementById(pestania).style.color = "#F1541F";
}