// JavaScript Document


function Alternar(Seccion){
cosa=document.getElementById(Seccion).style;
cosa.display = (cosa.display=="none")?"":"none"
}

var selec = "";
function hideShow(id) {
	if (selec != id){
		if (selec == "") 
		{
			if (document.getElementById('box1').style.display == "") selec = 'box1';
			if (document.getElementById('box2').style.display == "") selec = 'box2';
			if (document.getElementById('box3').style.display == "") selec = 'box3';
			if (selec == id) {
			   	document.getElementById(id).style.display="none";		
				selec = "";
				return;
			}
		}

		document.getElementById('box1').style.display = "none";
		document.getElementById('box2').style.display = "none";
		document.getElementById('box3').style.display = "none";	

		if(document.getElementById(id).style.display=="none") {
		   document.getElementById(id).style.display="block";
		}
		else 
		{
		   	document.getElementById(id).style.display="none";
		}

		if (id == 'box1' || id == 'box2' || id == 'box3')
		{
			selec = id;
		}
	} 
	else
	{
   		document.getElementById(id).style.display="none";		
		selec = "";
	}
}