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) { //v4.0
  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 IsDigit()
{
	return (((event.keyCode >= 48) && (event.keyCode <= 57)) ||  (event.keyCode == 37))
}

function AbrirVentanaMantener(theURL,winName,features)
{
   
	neu=window.open(theURL,winName,features);
	neu.focus()
	neu.moveTo(Math.round((screen.availWidth-952)/2),Math.round((screen.availHeight-240)/2))  
}

function AbrirVentana(theURL,winName,features)
{
	var camb = features;
	if (camb.indexOf('top',0) < 0) {
		camb = camb + ',top=216';
	} 
	if (camb.indexOf('left',0) < 0) {
		camb = camb + ',left=159';
	} 
	if (camb.indexOf('width',0) < 0) {
		camb = camb + ',width=500';
	} 
	if (camb.indexOf('height',0) < 0) {
		camb = camb + ',height=350';
	} 
	
	neu=window.open(theURL,winName,camb);
	neu.focus()
	
}

 function Arroba(sString)
{
	var str = sString.value
	
	if (str != ''){
		// Return false if e-mail field does not contain a '@' and '.' .   
		if (str.indexOf ('@',0) == -1 || str.indexOf ('.',0) == -1)
		{
			alert('Introduzca correctamente el E-mail')
			sString.focus()
			return false;     
		}else{
			return true;      
		}
	}else{
		return true;
	}
}

function carga_datos_menu(id_idioma) {
	if (id_idioma == 1) {
		document.write("<script language=JavaScript src=js/menu/menu_datos_ing.js><\/script>");
	} else {
		document.write("<script language=JavaScript src=js/menu/menu_datos.js><\/script>");
	}	
}

var ns4 = (navigator.appName=="Netscape" && navigator.appVersion.charAt(0)=="4");
document.write("<script language=JavaScript src=js/menu/functions_menu.js><\/script>");	
if(ns4) document.write("<script language=JavaScript src=js/menu/menuns4.js><\/script>");		
	  else document.write("<script language=JavaScript src=js/menu/menudom.js><\/script>");