function cierramapa(zoom,sitio,grupo) {
		detalle(grupo,sitio);
		var idmapa="mapa"+zoom+sitio;
		cierratodo(grupo);
		exampleFx = new Fx.Tween(idmapa, {
		property: 'opacity',
		duration: 500, 
		transition: Fx.Transitions.Quart.easeInOut,
		link: 'chain'
		});
		/*	now we have an fx object, let's play with it:	*/
		exampleFx.start(1,0);
		//setTimeout("document.getElementById(idmapa).style.display=\"block\"",600);
	}
	function sacamapa(zoom,sitio,grupo) {
		var z;
		if (zoom > 1) {
			cierramapa(zoom-1,sitio,grupo);
		}
		if (zoom == 1) {
			z="mapa2"+sitio;
			if (document.getElementById(z).style.visibility == "visible") {
				document.getElementById(z).style.visibility="hidden";
			}
		}
		if (zoom == 2) {
			z="mapa3"+sitio;
			if (document.getElementById(z).style.visibility == "visible") {
				document.getElementById(z).style.visibility="hidden";
			}
		}
		var idmapa="mapa"+zoom+sitio;
		document.getElementById(idmapa).style.display="block";
		cierratodo(grupo);
		exampleFx = new Fx.Tween(idmapa, {
		property: 'opacity',
		duration: 500, 
		transition: Fx.Transitions.Quart.easeInOut,
		link: 'chain'
		});
		/*	now we have an fx object, let's play with it:	*/
		exampleFx.start(0,1);
		var idimg="mapa"+sitio+zoom;
		document.getElementById(idimg).src="./img/images/mapas/"+sitio+"-"+zoom+".jpg";
	}
	function cierra(sitio) {
		exampleFx = new Fx.Tween(sitio, {
		property: 'opacity',
		duration: 500, 
		transition: Fx.Transitions.Quart.easeInOut,
		link: 'chain'
		});
		/*	now we have an fx object, let's play with it:	*/
		exampleFx.start(1,0);
		element = document.getElementById(sitio);
		setTimeout("element.style.display=\"none\"",600);
	}
	function oficinas(sitio) {
		/* CERRAMOS MAPAS */
		document.getElementById(sitio).style.display="block";
		cierratodo(sitio);
		exampleFx = new Fx.Tween(sitio, {
		property: 'opacity',
		duration: 500, 
		transition: Fx.Transitions.Quart.easeInOut,
		link: 'chain'
		});
		/*	now we have an fx object, let's play with it:	*/
		exampleFx.start(0,1);
	}
	function detalle(sitio,ofi) {
		cierratodo(sitio);
		exampleFx = new Fx.Tween(ofi, {
		property: 'opacity',
		duration: 500, 
		transition: Fx.Transitions.Quart.easeInOut,
		link: 'chain'
		});
		/*	now we have an fx object, let's play with it:	*/
		exampleFx.start(0,1);
	}
	function cierratodo(sitio) {
		var tros;
		var capa = document.getElementById(sitio);
		long=capa.childNodes.length;
		for (var i = 0; i < long; i++) {
			tros=capa.childNodes[i];
			if (tros.className) {
				if ( tros.className == "ofidetalle") {
					tros.style.visibility="hidden";
				}
			}
		}
	}