// JavaScript reformasrafa.com

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


function validaCorreo(valor) {
  if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor)){
    return (true)
  } else {
    return (false);
  }
}


function validaForm()
{
	if (document.formulario.txtEmail.value == "")
	{
	alert("Debe indicar un e-mail");
	document.formulario.txtEmail.focus();
	document.formulario.txtEmail.select();
	}
	else  if (document.formulario.txtEmail.value > " " && !validaCorreo(document.formulario.txtEmail.value))
	{
	alert("Debe introducir un correo electrónico correcto.");
	document.formulario.txtEmail.focus();
	document.formulario.txtEmail.select();
	}
	else
	{
	document.formulario.submit();
	}
}
 

/*galeria*/
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_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 SoloNumeros(tecla){
var nav4 = window.Event ? true : false;
// NOTE: Espacio en blanco = 8, Intro = 13, '0' = 48, '9' = 57
var key = nav4 ? tecla.which : tecla.keyCode;
return (key <= 13 || (key >= 48 && key <= 57));
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function Abrir(theURL) { //v2.0
var leftmargin = (screen.width - 500) / 2;
var topmargin = (screen.height - 450) / 2;
var features = 'width=520,height=450,scrollbars=yes';
features=features + ',top=' + topmargin + ',left='+ leftmargin
  window.open(theURL,'Productos',features);
}

function Cambio(imagen)
{
	MM_swapImage('foto','',imagen,1)
}