var whitespace = " \t\n\r";
var defaultEmptyOK = false
var digits = "0123456789";
var lowercaseLetters = "abcdefghijklmnopqrstuvwxyzáéíóúñü"
var uppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZÁÉÍÓÚÑ"

function ocultar(capa, imagen, tit) {
if (capa!='menu1') { MM_showHideLayers('menu1','','hide')}
if (capa!='menu2') { MM_showHideLayers('menu2','','hide')}
if (capa!='menu3') { MM_showHideLayers('menu3','','hide')}
if (capa!='menu4') { MM_showHideLayers('menu4','','hide')}
if (capa!='menu5') { MM_showHideLayers('menu5','','hide')}
if (capa!='menu7') { MM_showHideLayers('menu7','','hide')}
if (capa!='menu9') { MM_showHideLayers('menu9','','hide')}
if (capa!='menu10') { MM_showHideLayers('menu10','','hide')}
if (capa!='menu12') { MM_showHideLayers('menu12','','hide')}
if (capa!='menu13') { MM_showHideLayers('menu13','','hide')}
if (capa!='menu11'&&capa!='menu6'&&capa!='menu8'&&capa!='menu14') {MM_showHideLayers(capa,'','show')}
if (imagen!='todas') {MM_swapImage('panel','',imagen,1)}
}

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) { //v4.0
  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 && document.getElementById) x=document.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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v3.0
  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 error() {
var recopag = "error.asp"
pagina =window.open(recopag,'_blank','toolbar=no,directories=no,scrollbars=no,location=no,menubar=no,width=300,height=350,top=220,left=340,status=no,');
}

function autor(form) {
var envi = 1
if(form.regusuario.value=='') {alert("Debe rellenar el campo USUARIO");form.regusuario.focus();envi = 0;}
if (envi > 0) {if(isWhitespace(form.regusuario.value)) { alert("No deje espacios en el campo USUARIO");form.regusuario.value='';form.regusuario.focus();envi = 0;}}
if (envi > 0) {if(!(isAlphanumeric(form.regusuario.value))) { alert("Ingrese un texto que contenga solo letras y/o numeros en USUARIO");form.regusuario.focus();envi = 0;}}
if (envi > 0) {if(form.regcontrasena.value=='') {alert("Debe rellenar el campo CONTRASEÑA");form.regcontrasena.focus();envi = 0;}}
if (envi == 0) {return false;} else {return true;}
}

function isWhitespace (s)
{   var i;
	var compro = false
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        // si el caracter en que estoy no aparece en whitespace,
        // entonces retornar falso
        if (whitespace.indexOf(c) != -1) return true;
    }
    return false;
}

function isAlphanumeric (s)
{   var i;

    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (!(isLetter(c) || isDigit(c) ) ) return false;
    }

    return true;
}

function isLetter (c)
{
    return( ( uppercaseLetters.indexOf( c ) != -1 ) ||
            ( lowercaseLetters.indexOf( c ) != -1 ) )
}

function isDigit (c)
{   return ((c >= "0") && (c <= "9"))
}

function tele(epig, num) {
	pagina = "fotos.asp?epig="+epig+"&num="+num
	window.open(pagina,'_blank','toolbar=no,directories=no,scrollbars=no,location=no,menubar=no,width=450, height=380, top=50, left=175 , status=no,');
}

function paneles() {
	epig = "images/panel"
	MM_preloadImages('panel.jpg')
	for (i=1;i<=12;i++){MM_preloadImages(epig+i+'.jpg')}
}

function barrades() {
	MM_preloadImages('images/pagder2.gif','images/pagizq2.gif','images/pagon.gif','images/carrito2.gif')
}

function mostrar(foto, descripcion,x,y) {
ax = x
ay = Number(y) + 40 
px = (800 - ax)/2
py = (600 - ay)/2
ver = window.open("","_blank","toolbar=no,directories=no,scrollbars=no,location=no,menubar=no,width="+ax+", height="+ay+", top="+py+",left="+px+",status=no,");
ver.document.write("<html><head><title>"+descripcion+"</title><meta http-equiv='Content-Type' content='text/html; charset=iso-8859-1'>");
ver.document.write("<style type='text/css'>");
ver.document.write(".texto {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 11px; line-height: 12px; color: #714600; background-color: FFCF00; font-weight: bold}");
ver.document.write("</style></head>");
ver.document.write("<body bgcolor='#FFFFFF' text='#000000' leftmargin='0' topmargin='0' marginwidth='0' marginheight='0'>");
ver.document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'><tr><td>");
ver.document.write("<div align='center'><img src='images/articulos/"+foto+"' width='"+x+"' height='"+y+"'></div>");
ver.document.write("</td></tr><tr><td class='texto' height='40'><div align='center'>"+descripcion+"</div></td></tr></table></body></html>");

}
// Funciones para el carrito

function comprar(idref,col) { 
	if(col!="") {alert(col)}
	//alert(est)
	//alert(caj)
	//alert(idref)
	
	pagina = "car_unidades.asp?idr="+idref+"&colour="+col
	window.open(pagina,"_blank",'toolbar=no,directories=no,scrollbars=no,location=no,menubar=no,width=450, height=100, top=250,left=250,status=no,');
}