function despliega(what){
    var what;
    var menu = document.getElementById(what);
    if(menu.style.display == "none"){
      menu.style.display= "block";
    }else{
      menu.style.display= "none";
    }
}
 
// funciones para poner en los combos los valores que queremos
function valorCombo(what, valor) {
	document.getElementById(what).value = valor;
}
function validacionSabores() {
	var todo_bien;
	if (document.formulario.sabores_producto.value ){
		// cumple
		todo_bien = 'ok';
	}else{
		// Si no se cumple la condicion...
		alert('[ERROR] Debe rellenar el campo sabores...');
		document.formulario.sabores_producto.focus();
		return false;
	}
	if (document.formulario.cantidad.value ){
		// cumple
		var campo=document.formulario.cantidad.value;
		var campo=parseInt(campo);
		if(isNaN(campo)){
			alert('[ERROR] Cantidad tiene que ser numerico...');
			document.formulario.cantidad.focus();
			return false;
		}else{
			todo_bien = 'ok';
		}
	}else{
		alert('[ERROR] Debe rellenar el campo Cantidad...');
		document.formulario.cantidad.focus();
		return false;
	}
	// Si se cumple todas las condiciones...
	if(todo_bien=='ok'){
		return true;
	}
        return false;
}

// ************** menu accesible *****************
// JavaScript Document
function niveles(i) {
	if (!document.getElementById) {
		return;
	}
	var listaDosNiveles;
	var j;
	var x;
	var elementos;
	var id_submenu;
	
	for (j = 0; j < i; j++) {
		id_submenu="submenu_"+j
		elementos = document.getElementById(id_submenu).getElementsByTagName("ul");
		for (x = 0; x < elementos.length; x++) {
			elementos[x].style.display = "none";
		}						
	}
}
function arbol(id_elemento,id_submenu) {
	var i;
	var elementos;
	if (id_elemento != -1) {
	if (document.getElementById("subDN_" + id_elemento).style.display == "block" || document.getElementById("subDN_" + id_elemento).style.display == "") {
		
		document.getElementById("subDN_" + id_elemento).style.display = "none";
	}
	else {
		
		document.getElementById("subDN_" + id_elemento).style.display = "block";
	}
}
}
function arranca_menu() {
	niveles(1);
}
var ultimo_id = "";
/*////////////////// VISUALIZACIÓN DE LAS IMAGENES PNG ///////////////////////*/


function fnLoadPngs(){
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			fnFixPng(img);
			img.attachEvent("onpropertychange", fnPropertyChanged);
		}
		img.style.visibility = "visible";
	}

	var nl = document.getElementsByTagName("INPUT");
	for (var i = nl.length - 1, e = null; (e = nl[i]); i--) {
		if (e.className && e.className.match(/\bimage\b/i) != null) {
			if (e.src.match(/\.png$/i) != null) {
				fnFixPng(e);
				e.attachEvent("onpropertychange", fnPropertyChanged);
			}
			e.style.visibility = "visible";
		}
	}
}

function fnPropertyChanged() {
	if (window.event.propertyName == "src") {
		var el = window.event.srcElement;
		if (!el.src.match(/x\.gif$/i)) {
			el.filters.item(0).src = el.src;
			el.src = "x.gif";
		}
	}
}

function dbg(o) {
	var s = "";
	var i = 0;
	for (var p in o) {
		s += p + ": " + o[p] + "\n";
		if (++i % 10 == 0) {
			alert(s);
			s = "";
		}
	}
	alert(s);
}

function fnFixPng(img) {
	var src = img.src;
	img.style.width = img.width + "px";
	img.style.height = img.height + "px";
	img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
	img.src = "x.gif";
}
// JavaScript Document
/*////////////////// TOOLTIPE PARA LOS TITLES ///////////////////////*
/************************************************************************************************************
	(C) www.dhtmlgoodies.com, October 2005

	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.

	Updated:
		March, 11th, 2006 - Fixed positioning of tooltip when displayed near the right edge of the browser.
		April, 6th 2006, Using iframe in IE in order to make the tooltip cover select boxes.

	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.

	Thank you!

	www.dhtmlgoodies.com
	Alf Magne Kalleland

	************************************************************************************************************/
	var dhtmlgoodies_tooltip = false;
	var dhtmlgoodies_tooltipShadow = false;
	var dhtmlgoodies_shadowSize = 4;
	var dhtmlgoodies_tooltipMaxWidth = 200;
	var dhtmlgoodies_tooltipMinWidth = 100;
	var dhtmlgoodies_iframe = false;
	var tooltip_is_msie = (navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('opera')==-1 && document.all)?true:false;
	function showTooltip(e,tooltipTxt)
	{

		var bodyWidth = Math.max(document.body.clientWidth,document.documentElement.clientWidth) - 20;

		if(!dhtmlgoodies_tooltip){
			dhtmlgoodies_tooltip = document.createElement('DIV');
			dhtmlgoodies_tooltip.id = 'dhtmlgoodies_tooltip';
			dhtmlgoodies_tooltipShadow = document.createElement('DIV');
			dhtmlgoodies_tooltipShadow.id = 'dhtmlgoodies_tooltipShadow';

			document.body.appendChild(dhtmlgoodies_tooltip);
			document.body.appendChild(dhtmlgoodies_tooltipShadow);

			if(tooltip_is_msie){
				dhtmlgoodies_iframe = document.createElement('IFRAME');
				dhtmlgoodies_iframe.frameborder='5';
				dhtmlgoodies_iframe.style.backgroundColor='#FFFFFF';
				dhtmlgoodies_iframe.src = '#';
				dhtmlgoodies_iframe.style.zIndex = 100;
				dhtmlgoodies_iframe.style.position = 'absolute';
				document.body.appendChild(dhtmlgoodies_iframe);
			}

		}

		dhtmlgoodies_tooltip.style.display='block';
		dhtmlgoodies_tooltipShadow.style.display='block';
		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='block';

		var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
		if(navigator.userAgent.toLowerCase().indexOf('safari')>=0)st=0;
		var leftPos = e.clientX + 10;

		dhtmlgoodies_tooltip.style.width = null;	// Reset style width if it's set
		dhtmlgoodies_tooltip.innerHTML = tooltipTxt;
		dhtmlgoodies_tooltip.style.left = leftPos + 'px';
		dhtmlgoodies_tooltip.style.top = e.clientY + 10 + st + 'px';


		dhtmlgoodies_tooltipShadow.style.left =  leftPos + dhtmlgoodies_shadowSize + 'px';
		dhtmlgoodies_tooltipShadow.style.top = e.clientY + 10 + st + dhtmlgoodies_shadowSize + 'px';

		if(dhtmlgoodies_tooltip.offsetWidth>dhtmlgoodies_tooltipMaxWidth){	/* Exceeding max width of tooltip ? */
			dhtmlgoodies_tooltip.style.width = dhtmlgoodies_tooltipMaxWidth + 'px';
		}

		var tooltipWidth = dhtmlgoodies_tooltip.offsetWidth;
		if(tooltipWidth<dhtmlgoodies_tooltipMinWidth)tooltipWidth = dhtmlgoodies_tooltipMinWidth;


		dhtmlgoodies_tooltip.style.width = tooltipWidth + 'px';
		dhtmlgoodies_tooltipShadow.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
		dhtmlgoodies_tooltipShadow.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';

		if((leftPos + tooltipWidth)>bodyWidth){
			dhtmlgoodies_tooltip.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth)) + 'px';
			dhtmlgoodies_tooltipShadow.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth) + dhtmlgoodies_shadowSize) + 'px';
		}
		if(tooltip_is_msie){
			dhtmlgoodies_iframe.style.left = dhtmlgoodies_tooltip.style.left;
			dhtmlgoodies_iframe.style.top = dhtmlgoodies_tooltip.style.top;
			dhtmlgoodies_iframe.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
			dhtmlgoodies_iframe.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';
		}
	}
	function hideTooltip()
	{
		dhtmlgoodies_tooltip.style.display='none';
		dhtmlgoodies_tooltipShadow.style.display='none';
		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='none';
	}