function cambiarCriterio(criterio){
			if (criterio!=0){
				var pars = 'criterio='+criterio;
				var url = '';
				var myAjax = new Ajax.Request(
				url,
					{
					method: "get",
					parameters: pars,
					onComplete:makeOption
					}
				);
			}			
			}
			
			function makeOption(originalRequest){
				var listbox = originalRequest.responseText;
				if($('valo')){
				Element.remove('valo');
				}
				if($('opciones')){
				var select='<select name="valo" id="valo">'+listbox+'</select>';
				new Insertion.Before('opciones', select);
				}
			}
			
			function pesta(){
			if ($('paso_a')){							
			$("paso1_2a","paso1_3a","paso1_4a","paso1_5a","paso_b","paso1_1b","paso1_2b","paso1_3b","paso1_4b","paso1_5b").invoke('hide');
			$('link-paso_a').href="javascript:next('link-paso_a')";
			$('link-paso_b').href="javascript:next('link-paso_b')";
			}

			if ($('paso_2')){							
			$("paso2_2","paso2_3","paso2_4").invoke('hide');
			}
			
			//paso_a
			$$('a[href="#paso1_1a"]').map(function(s){s.href="javascript:nextnum('paso1_1a')";});
			$$('a[href="#paso1_2a"]').map(function(s){s.href="javascript:nextnum('paso1_2a')";});
			$$('a[href="#paso1_3a"]').map(function(s){s.href="javascript:nextnum('paso1_3a')";});
			$$('a[href="#paso1_4a"]').map(function(s){s.href="javascript:nextnum('paso1_4a')";});
			$$('a[href="#paso1_5a"]').map(function(s){s.href="javascript:nextnum('paso1_5a')";});

			//paso_b
			$$('a[href="#paso1_1b"]').map(function(s){s.href="javascript:nextnum('paso1_1b')";});
			$$('a[href="#paso1_2b"]').map(function(s){s.href="javascript:nextnum('paso1_2b')";});
			$$('a[href="#paso1_3b"]').map(function(s){s.href="javascript:nextnum('paso1_3b')";});
			$$('a[href="#paso1_4b"]').map(function(s){s.href="javascript:nextnum('paso1_4b')";});
			$$('a[href="#paso1_5b"]').map(function(s){s.href="javascript:nextnum('paso1_5b')";});

			//paso_2
			$$('a[href="#paso2_1"]').map(function(s){s.href="javascript:nextnum('paso2_1')";});
			$$('a[href="#paso2_2"]').map(function(s){s.href="javascript:nextnum('paso2_2')";});
			$$('a[href="#paso2_3"]').map(function(s){s.href="javascript:nextnum('paso2_3')";});
			$$('a[href="#paso2_4"]').map(function(s){s.href="javascript:nextnum('paso2_4')";});
			$$('a[href="#paso2_5"]').map(function(s){s.href="javascript:nextnum('paso2_5')";});

			}
			
			function nextnum(xplica){
			if ($('paso_a')){		
				$("paso1_1a","paso1_2a","paso1_3a","paso1_4a","paso1_5a","paso1_1b","paso1_2b","paso1_3b","paso1_4b","paso1_5b").invoke('hide');			
				}
			
			if ($('paso_2')){							
			$("paso2_1","paso2_2","paso2_3","paso2_4").invoke('hide');
			}
			$(xplica).show();
			}	
			function next(){
			$('paso_a','paso_b').invoke('toggle');
			$('paso1_1a','paso1_1b').invoke('show');
			$('link-paso_a').toggleClassName('acti');
			$('link-paso_b').toggleClassName('acti');
			}
			
			function closeuser(){
			$("acci","iduser","usuario","email","rango","clave").invoke('clear');
			Effect.Fade('formuuser');
			}
			
			function usuario(){
			$$('#user a').map(function(s){s.href="javascript:closeuser()";});
			document.forms['formuuser'].acci.value="insertar";
			Effect.Appear('formuuser');
			}
		

			function editarusuario(iduser){
				$$('#user a').map(function(s){s.href="javascript:closeuser()";});
				
				var pars = 'editarusuario='+iduser;
				var url = '../index.php';			
				var myAjax = new Ajax.Request(
				url, 
					{
					method: "get",
					parameters: pars,
					onComplete: getUsua
					}
				);
			}

 		function getUsua(responseXMLCli){
 			var xml=responseXMLCli.responseXML.documentElement;
 				var item=xml.getElementsByTagName('contenido')[0];
			 	var status=item.getElementsByTagName('status')[0].firstChild.data;
 				var usuario=item.getElementsByTagName('usuario')[0].firstChild.data;
 				var iduser=item.getElementsByTagName('iduser')[0].firstChild.data;
 				var email=item.getElementsByTagName('email')[0].firstChild.data;
 				var rango=item.getElementsByTagName('rango')[0].firstChild.data;
 				var acci=$F('acci');
	
 			if (status=="ok" && acci==""){
 					document.forms['formuuser'].iduser.value=iduser;
					document.forms['formuuser'].acci.value="editar"; 					
 					document.forms['formuuser'].usuario.value=usuario;
 					document.forms['formuuser'].email.value=email;
 					document.forms['formuuser'].rango.value=rango;
					Effect.Appear('formuuser');
				}
			if (status=="error"){
			}
	
		}
			
Event.observe(window,"load", pesta);