function resaltar(obj){
	obj.style.backgroundColor='#d1d1d1';}

function deshacer(obj){
	obj.style.backgroundColor='#e5e5e5';
}

function divFunc(div){
	var  obj = document.getElementById(div);
	if(obj.style.display == "none"){
		obj.style.display = "block"
	}else{
	obj.style.display = "none"
	}
}