// JavaScript Document

	function validar(form) {
		if(form.nombre.value.length == 0){
			alert("El campo nombre es requerido.");
			form.nombre.focus();
			return (false);
		} else if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value))){
			alert("La cuenta no es válida, debes escribirla de forma: nombre@servidor.dominio");
			form.email.select();
			form.email.focus();
			return (false);
		} else if(form.mensaje.value.length == 0){
			alert("El campo comentarios es requerido.");
			form.mensaje.focus();
			return false;
		}
		
		return (true);
	}
	
	function MM_swapImgRestore() { //v3.0
		var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}
	
	function MM_preloadImages() { //v3.0
		var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}
	
	function MM_findObj(n, d) { //v4.01
		var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
		if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
		for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
		if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function MM_swapImage() { //v3.0
		var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
		if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}
	
	function swapImg(img){
		 if (document.getElementById('imgleft').src != 'imgs/gallery/big/'+img){
		document.getElementById('imgleft').src = 'imgs/gallery/big/'+img;
		}
	}
	
	function cerrarPopup(pid){
		document.getElementById(pid).style.visibility = 'hidden';
		document.getElementById(pid).style.display = 'none';
	}
	
	function abrirPopup(pid){
		document.getElementById(pid).style.visibility = 'visible';
		document.getElementById(pid).style.display = 'block';
	}
	
	function ocultar_contenido(){
		for(i=1; i<5; i++){
			document.getElementById(i).style.display = "none";
		}	
	}
	
	function muestra_contenido(id){
		ocultar_contenido();
		document.getElementById(id).style.display = "block";
	}