var rate = 500 // rate timer				
function OnDoFire(){
	if (document.getElementById&&document.all) {   
		
		for (var i=0; i<document.allength; i++) {
			var obj = document.all[i]
				if (obj.efecto == 'Fire'){
					if ((obj.className == '') || (obj.className == null))
						obj.className = 'FireFFC080'
					else 
						obj.className = '';
				}
		}		
		timer = setTimeout('OnDoFire()', rate);
	}         
}


/*
 * Registra al usuario. Funcion utilizada en head.htm.
 */	
function Registrar()
{
	var email = document.getElementById("textfield2").value; 
	var direccion = window.location.href;		
	
	if ( !isEmailAddress(email) ) 
	{
		alert("Introduzca un e-mail correcto para poder entrar en Dyrecto.");
		document.getElementById("textfield2").focus();
		return;
	}	
	if ( direccion.indexOf('?') == -1 )
	{		
		direccion = direccion + "?Email=" + email;
	}
	else
	{
		// Eliminamos la palabra LogOut de la URL en caso
		// de que exista y nos queramos volver a registrar
		// dado que no pueden estar las dos palabras a la vez.
		var pos = direccion.indexOf('LogOut');
		if ( pos != -1 )
		{
			direccion = direccion.replace('LogOut=1','');
		}
		direccion = direccion + "&Email=" + email;		
	}		
		
	window.location.href = direccion;
}	



function isEmailAddress(email)
{
	if ( trim(email) == "" ) return false;
	
	var s = email;
//	var filter=/^[A-Za-z][A-Za-z0-9_]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
	var filter=/^[A-Za-z][A-Za-z0-9_.\-]*@[A-Za-z0-9_\-]+\.[A-Za-z0-9_.]+[A-Za-z]$/;
	if (s.length == 0 ) return true;
	if (filter.test(s))
	 	return true;
	else
	 	return false;
}

function trim(cadena)
{
	for(i=0; i<cadena.length; )
	{
		if(cadena.charAt(i)==" ")
			cadena=cadena.substring(i+1, cadena.length);
		else
			break;
	}

	for(i=cadena.length-1; i>=0; i=cadena.length-1)
	{
		if(cadena.charAt(i)==" ")
			cadena=cadena.substring(0,i);
		else
			break;
	}
	
	return cadena;
}


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];}
}