if (!document.getElementById)
    document.getElementById = function() { return null; }

function izkutatu() {
    var a, i;
    a = document.getElementsByTagName("ul");
    for (i=0; i<a.length; i++) {
        if (a[i].className == "submenu")
            a[i].style.display = "none";
    }
    /*for (j=0; j<a.length; j++) {
        if (a[j].className == "submenuactivo")
            a[j].style.display = "none";
    }*/
}

function agertu(activa,pig){
  var menu = document.getElementById(activa);
    if(menu.style.display == "none"){
		izkutatu();		
      menu.style.display = "block";
	  MM_swapImage(pig,'','App_Themes/Ancove/images/menu_rojo.gif',1)	  	
    }
    else{
      menu.style.display = "none";
	  MM_swapImage(pig,'','App_Themes/Ancove/images/menu_rojo_dcha.gif',1)
    }
}

/*ROLL-OVER DE IMAGEN*/
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 validaForm(){
	document.getElementById("error_nombre").style.display = "none";
	document.getElementById("error_apellidos").style.display = "none";
	document.getElementById("error_empresa").style.display = "none";
	document.getElementById("error_nif").style.display = "none";
	document.getElementById("error_direccion").style.display = "none";
	document.getElementById("error_codigo").style.display = "none";
	document.getElementById("error_localidad").style.display = "none";
	document.getElementById("error_provincia").style.display = "none";
	document.getElementById("error_telefono").style.display = "none";
	document.getElementById("error_correo").style.display = "none";
	document.getElementById("error_usuario").style.display = "none";
	document.getElementById("error_contrasena").style.display= "none";
	
	var val_nombre = document.getElementById("nombre").value;
	var val_apellidos = document.getElementById("apellidos").value;
	var val_empresa = document.getElementById("empresa").value;
	var val_nif = document.getElementById("nif").value;
	var val_direccion = document.getElementById("direccion").value;
	var val_codigo = document.getElementById("codigo").value;
	var val_localidad = document.getElementById("localidad").value;
	var val_provincia = document.getElementById("provincia").value;
	var val_telefono = document.getElementById("telefono").value;
	var val_correo = document.getElementById("correo").value;
	var val_usuario = document.getElementById("usuario").value;
	var val_contrasena = document.getElementById("contrasena").value;
	var val_contrasena2 = document.getElementById("contrasena2").value;
	var res = false;
					
	if(val_nombre == ""){										
		document.getElementById("error_nombre").style.display = "block";
		var res = false;
	}else{
		if(val_apellidos == ""){										
			document.getElementById("error_apellidos").style.display = "block";
			var res = false;
		}else{
			if(val_empresa == ""){										
				document.getElementById("error_empresa").style.display = "block";
				var res = false;
			}else{
				if(val_nif == ""){										
					document.getElementById("error_nif").style.display = "block";
					var res= false;
				}else{
					if(val_direccion == ""){										
						document.getElementById("error_direccion").style.display = "block";
						var res= false;
					}else{
						if(val_codigo == ""){										
							document.getElementById("error_codigo").style.display = "block";
							var res= false;
						}else{
							if(val_localidad == ""){										
								document.getElementById("error_localidad").style.display = "block";
								var res= false;
							}else{
								if(val_provincia == ""){										
									document.getElementById("error_provincia").style.display = "block";
									var res= false;
								}else{
									if(val_telefono == ""){										
										document.getElementById("error_telefono").style.display = "block";
										var res= false;
									}else{
										if(val_correo == ""){										
											document.getElementById("error_correo").style.display = "block";
											var res= false;
										}else{
											if(val_usuario == ""){										
												document.getElementById("error_usuario").style.display = "block";
												var res= false;
											}else{
												if(val_contrasena == ""){										
													document.getElementById("error_contrasena").style.display = "block";
													var res= false;
												}else{
													if(val_contrasena2 == ""){										
														document.getElementById("error_contrasena2").style.display = "block";
														var res= false;
													}else{
														var res= true;
													}
												}
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}

	return res;
					
	/*				

					

					

					

					

					

					

					

					

					
	
					
	if(val_contrasena2 == ""){										
		document.getElementById("error_contrasena2").style.visibility = "visible";
	}
	*/
}