// JavaScript Document
function menu(doc,activo){
	
/*	alert(activo);*/
	document.getElementById('Navegacion').innerHTML=doc;
	if (document.getElementById('navInterna')){
		document.getElementById('navInterna').style.backgroundImage="url(images/navInternaHead_"+activo+".jpg)";
		}
	navLateral(activo);	
}
anterior='';
function navLateral(btn){
	if (btn) {
		aActual=document.getElementById(btn);
		liActual=aActual.parentNode;
		ulActual=liActual.parentNode;
		for (i=0;i<liActual.childNodes.length;i++){
			if (liActual.childNodes[i].nodeName=='UL'){
				liActual.childNodes[i].style.display='none';
			}	
		}
		for (i=0;i<liActual.childNodes.length;i++){
			if (liActual.childNodes[i].nodeName=='UL'){
				liActual.childNodes[i].style.display='block';
			}	
		}
		//document.getElementById(btn).style.backgroundImage = "url(images/btn/btn_"+btn+"On.jpg?rand="+(Math.random()*1000000)+")";
		document.getElementById(btn).style.backgroundPosition ="bottom left";	
	}
	if (anterior){
		//alert(anterior.childNodes[0].id);
		lianterior=anterior.parentNode;
		ulanterior=lianterior.parentNode;
		//anterior.style.backgroundImage = "url(images/btn/btn_"+anterior.id+"Off.jpg?rand="+(Math.random()*1000000)+")";
		document.getElementById(btn).style.backgroundPosition="top left";
		for (i=0;i<lianterior.childNodes.length;i++){
			if (lianterior.childNodes[i].nodeName=='UL'){
				lianterior.childNodes[i].style.display='none';
			}	
		}
	}
	anterior=aActual;
}
function navLateralOver(btn){
//	document.getElementById(btn).style.backgroundImage = "url(images/btn/btn_"+btn+"On.jpg?rand="+(Math.random()*1000000)+")";	
	document.getElementById(btn).style.backgroundPosition ="bottom left";
	}
function navLateralOut(btn){
	outaActual=document.getElementById(btn);
	if (outaActual != anterior)
	//	document.getElementById(btn).style.backgroundImage = "url(images/btn/btn_"+btn+"Off.jpg?rand="+(Math.random()*1000000)+")";	
		document.getElementById(btn).style.backgroundPosition="top left";
	}


function subMenu(elemento){
	if (elementoAnterior){
		elementoAnterior.className='';
	}
	elemento.className='navIntActivo';
	elementoAnterior=elemento;
}