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_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_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 MM_swapClicImage() { //v3.0
  var i,j=0,x,a=MM_swapClicImage.arguments; document.MM_sr=new Array;
  var elegido;
  for(i=0;i<(a.length-2);i+=3){
	   if ((x=MM_findObj(a[i]))!=null){
		   document.MM_sr[j++]=x;
			 //x.src=x.oSrc;
			 x.oSrc=a[i+2];
			 elegido=a[i];
	   }
}
	
   var m;
   var cadenalink="../ima/h1_promo.gif++../ima/h1_somos.gif++../ima/h1_hacemos.gif++../ima/h1_donde.gif++../ima/h1_contactenos.gif++../ima/h1_ayuda.gif";
   var cadena="promo_somos_hacemos_donde_contacto_ayuda";
   var arrecadena=cadena.split("_");
   var arrelink=cadenalink.split("++");
  
   for(m=0;m<arrecadena.length;m++){
	   if(arrecadena[m] != elegido){
		   	x=MM_findObj(arrecadena[m]);
			x.src=arrelink[m];
	   }
   }
}

function displayWindow(theURL,winName,width,height,features) {
    var window_width = width;
    var window_height = height;
    var newfeatures= features;
    var window_top = (screen.height-window_height)/2;
    var window_left = (screen.width-window_width)/2;
    newWindow=window.open(''+ theURL + '',''+ winName + '','width=' + window_width + ',height=' + window_height + ',top=' + window_top + ',left=' + window_left + ',features=' + newfeatures + '');
    newWindow.focus();
}

function nuevoAjax()
{
	var xmlhttp=false; 
	try 
	{ 
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
	} 
	catch (e) 
	{ 
		try 
		{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
		} 
		catch (E) 
		{ 
		xmlhttp = false; 
		} 
	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') 
	{ 
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
 }
function cargarContenido(url,id_contenedor)
{
	var contenedor;
	contenedor = document.getElementById(id_contenedor);
	contenedor.innerHTML = '<i>Cargando datos ...</i>';
	ajax=nuevoAjax();
	ajax.open("GET", url, true);
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) {
			contenedor.innerHTML = ajax.responseText
		}
	}
	ajax.send(null)
}
function isObject(a) {
    return (a && typeof a == 'object') || isFunction(a);
}
function isUndefined(a) {
    return typeof a == 'undefined';
}

function validaemail(email){
	 	
	  var cont=0;
      var bandemail=true;
	  var pos=0;
  	
	  if (email.length < 5 ){
	  		bandemail=false;
	  }else{
	  		while(pos < email.length && pos != -1){
				pos=email.indexOf(' ',pos);
				if (pos != -1){					
					cont++;					
					pos++;
				}
			}
			
			if (cont > 0){
				bandemail=false;
			}else{
				
				cont=0;
				pos=0;
				
				while(pos < email.length && pos != -1){
					pos=email.indexOf('@',pos);
					if (pos != -1){					
						cont++;					
						pos++;
					}
				}				
				
				if (cont > 1 || cont == 0){					
					bandemail=false;
				}
			} 
		}     

	return bandemail;
}
function trimstr(str){

	var count=0;
	var tmp=""; 
	var newArray = str.split(" ");
	
	for (var i=0;i<newArray.length;i++){
		  if (newArray[i]!=""){
			 if (count == 0){
				tmp = newArray[i];
			 }else{
				tmp = tmp + " " + newArray[i];
			 count++;
			 }
		  }
	   }   
	   return tmp;  
}

function stopError() {
        return true;
    }

function tmt_print(bers) {
    
    window.onerror = stopError;
    if (window.print) {
        eval(bers + ".print()");
    } else {
        if (document.all) {
            var OLECMDID_PRINT = 6;
            var OLECMDEXECOPT_DONTPROMPTUSER = 2;
            var OLECMDEXECOPT_PROMPTUSER = 1;
            var WebBrowser = "<OBJECT ID=\"WebBrowser1\" WIDTH=0 HEIGHT=0 CLASSID=\"CLSID:8856F961-340A-11D0-A96B-00C04FD705A2\"></OBJECT>";
            document.body.insertAdjacentHTML("beforeEnd", WebBrowser);
            WebBrowser1.ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_PROMPTUSER);
            WebBrowser1.outerHTML = "";
        }
    }
}

function muestraespecial(p){
  	window.open("../pedidos/pedidos_especiales.php?id_producto=" + p);
}
function conviertergb(hex) {
	var hexNum = "0123456789ABCDEF";
	var rgb = new Array(3);
	if( hex.indexOf("#") == 0 ) { hex = hex.substring(1); }
	hex = hex.toUpperCase();
	if(hex.replace(new RegExp("["+hexNum+"]", "g"), "") != "") {
		return null;
	}
	if( hex.length == 3 ) {
		rgb[0] = hex.charAt(0) + hex.charAt(0)
		rgb[1] = hex.charAt(1) + hex.charAt(1)
		rgb[2] = hex.charAt(2) + hex.charAt(2);
	} else {
		rgb[0] = hex.substring(0, 2);
		rgb[1] = hex.substring(2, 4);
		rgb[2] = hex.substring(4);
	}
	for(var i = 0; i < rgb.length; i++) {
		rgb[i] = hexNum.indexOf(rgb[i].charAt(0)) * 16 + hexNum.indexOf(rgb[i].charAt(1));
	}
	return rgb;
}

function calculaprecio(precio){
	var centavos="00";
	var arrecentavos=precio.split(".");
	if(arrecentavos.length > 1){
			centavos=arrecentavos[1].substr(0,2);
			if(centavos.length == 1){
				centavos=centavos  + "0";
			}
	}
	var total=arrecentavos[0] + "." + centavos;
	return total;
}