function cambiar_usuario(){
	if(ie){
		window.parent[3].document.forms.datos.tipo.link.value=window.parent[1].document.forms.datos.link.value;
	}else{
		window.parent[3].document.layers.formulario1.document.forms.datos.link.value=window.parent[1].document.layers.content1.document.forms.datos.link.value;
	}
	abir_popup(2);
}
function nuevo_usuario(){
	if(ie){		
		alert(window.parent[3].document.forms.datos.action);
		window.parent[3].document.forms.datos.tipo.value=2;
		window.parent[3].document.forms.datos.link.value=window.parent[1].document.forms.datos.link.value;
		window.parent[3].document.forms.datos.submit();
	}
	if(n){
		window.parent[3].document.layers.formulario1.document.forms.datos.tipo.value=2;
		window.parent[3].document.layers.formulario1.document.forms.datos.link.value=window.parent[1].document.layers.content1.document.forms.datos.link.value;
		window.parent[3].document.layers.formulario1.document.forms.datos.submit();
	}
	cerrar_popup(1);
}

function cambiar_usuario(){
	var link;
	if(ie){
		link=document.forms.datos.link.value;
	}else{
		link=document.layers.content1.document.forms.datos.link.value;
	}
	abrir_popup(2,link);
}
function ver_cookie(nombre){	
	var cookieFound=false;
	var start=0;
	var end =0;
	var cookieString=document.cookie;
	var i=0;
	while(i<=cookieString.length){
		start=i;
		end=start + nombre.length;
		if(cookieString.substring(start,end)==nombre){
			cookieFound=true;
			break;
		}
		i++;
	}	
	if(cookieFound){
		start=end+1;
		end=document.cookie.indexOf(";",start);
		if(end<start){
			end=document.cookie.length;
		}
		return document.cookie.substring(start,end);
	}
	return "";
}
function eliminar_cookie(nombre){
	var exp=new Date();
	exp.setTime(exp.getTime()-1);
	var cval= ver_cookie(nombre);
	document.cookie= nombre + "=" + cval + "; expires=" + exp.toGMTString();
}
function abrir_popup(id,link){
	var idu;
	if(id==2){
		eliminar_cookie("id_usuario");
	}
	idu=ver_cookie("id_usuario");
	if(ie){
		document.all.registro.style.visibility="hidden";
		document.all.popup1.style.visibility="visible";
		if(idu==""){
			document.all.content2.style.visibility="hidden";
			document.all.content1.style.visibility="visible";
		}else{
			document.all.content1.style.visibility="hidden";
			document.all.content2.style.visibility="visible";
		}
	}else{
		document.layers.registro.visibility="hidden";
		document.layers.popup1.visibility="visible";
		if(idu==""){
			document.layers.content2.visibility="hidden";
			document.layers.content1.visibility="visible";
		}else{
			document.layers.content1.visibility="hidden";
			document.layers.content2.visibility="visible";
		}
	}
	if(ie){
		document.forms.datos.link.value=link;
		document.forms.datos2.link.value=link;
	}else{
		document.layers.content1.document.forms.datos.link.value=link;
		document.layers.content2.document.forms.datos2.link.value=link;
	}
}
function cerrar_popup(id){
	if(id==1){
		if(ie){
			document.all.registro.style.visibility="visible";
			document.all.popup1.style.visibility="hidden";
			document.all.content1.style.visibility="hidden";
			document.all.content2.style.visibility="hidden";
			return;
		}
		else{
			document.layers.registro.visibility="visible";
			document.layers.popup1.visibility="hidden";
			document.layers.content1.visibility="hidden";
			document.layers.content2.visibility="hidden";
			return;
		}
	}
}
function enviar(id){
	var fallo=0;
	if(ie){
		if(id==1){
			if(document.forms[0].login.value=="" || document.forms[0].login.value=="null"){
				alert("Por favor escriba su nombre de usuario");
				fallo=1;
			}
			if(document.forms[0].password.value=="" || document.forms[0].password.value=="null"){
				alert("Por favor escriba su clave");
				fallo=1;
			}
		}
		if(id==2){
			if(document.forms[1].password2.value=="" || document.forms[1].password2.value=="null"){
				alert("Por favor escriba su clave");
				fallo=1;
			}
		}
		if(fallo==0){
			cerrar_popup(1);
			window.parent[1].document.all.fondobusqueda.style.visibility="visible";
			window.parent[1].document.all.activarbusqueda.style.visibility="visible";
			if(id==1){
				window.parent[3].document.forms.datos.tipo.value=document.forms.datos.tipo.value;
				window.parent[3].document.forms.datos.link.value=document.forms.datos.link.value;
				window.parent[3].document.forms.datos.parametro1.value=document.forms.datos.parametro1.value;
				window.parent[3].document.forms.datos.login.value=document.forms.datos.login.value;
				window.parent[3].document.forms.datos.password.value=document.forms.datos.password.value;
				window.parent[3].document.forms.datos.submit();
			}else{
				window.parent[3].document.forms.datos2.tipo.value=document.forms.datos2.tipo.value;
				window.parent[3].document.forms.datos2.link.value=document.forms.datos2.link.value;
				window.parent[3].document.forms.datos2.parametro1.value=document.forms.datos2.parametro1.value;
				window.parent[3].document.forms.datos2.id_usuario.value=document.forms.datos2.id_usuario.value;
				window.parent[3].document.forms.datos2.password2.value=document.forms.datos2.password2.value;
				window.parent[3].document.forms.datos2.submit();
			}
		}
	}
	if(n){
		if(id==1){
			if(document.layers.content1.document.forms.datos.login.value=="" || document.layers.content1.document.forms.datos.login.value=="null"){
				alert("Por favor escriba su nombre de usuario");
				fallo=1;
			}
			if(document.layers.content1.document.forms.datos.password.value=="" || document.layers.content1.document.forms.datos.password.value=="null"){
				alert("Por favor escriba su clave");
				fallo=1;
			}
		}
		if(id==2){
			if(document.layers.content2.document.forms.datos2.password2.value=="" || document.layers.content2.document.forms.datos2.password2.value=="null"){
				alert("Por favor escriba su clave");
				fallo=1;
			}
		}
		if(fallo==0){
			cerrar_popup(1);
			window.parent[1].document.layers.fondobusqueda.visibility="visible";
			window.parent[1].document.layers.activarbusqueda.visibility="visible";
			if(id==1){
			window.parent[3].document.layers.formulario1.document.forms.datos.tipo.value=document.layers.content1.document.forms.datos.tipo.value;
			window.parent[3].document.layers.formulario1.document.forms.datos.link.value=document.layers.content1.document.forms.datos.link.value;
			window.parent[3].document.layers.formulario1.document.forms.datos.parametro1.value=document.layers.content1.document.forms.datos.parametro1.value;
			window.parent[3].document.layers.formulario1.document.forms.datos.login.value=document.layers.content1.document.forms.datos.login.value;
			window.parent[3].document.layers.formulario1.document.forms.datos.password.value=document.layers.content1.document.forms.datos.password.value;
			window.parent[3].document.layers.formulario1.document.forms.datos.submit();
			}else{
				window.parent[3].document.layers.formulario2.document.forms.datos2.tipo.value=document.layers.content2.document.forms.datos2.tipo.value;
				window.parent[3].document.layers.formulario2.document.forms.datos2.link.value=document.layers.content2.document.forms.datos2.link.value;
				window.parent[3].document.layers.formulario2.document.forms.datos2.parametro1.value=document.layers.content2.document.forms.datos2.parametro1.value;
				window.parent[3].document.layers.formulario2.document.forms.datos2.id_usuario.value=document.layers.content2.document.forms.datos2.id_usuario.value;
				window.parent[3].document.layers.formulario2.document.forms.datos2.password2.value=document.layers.content2.document.forms.datos2.password2.value;
				window.parent[3].document.layers.formulario2.document.forms.datos2.submit();
			}
		}
	}
}
function cadena_layer(layer){
	var cadena;
	if(n){
		cadena="document.layers."+layer;
	}else{
		cadena="document.all."+layer+".style";
	}
	return cadena;
}
function cambiar_imagen(id){
	if(id==1){
		eval(cadena_layer("boton1")).visibility="hidden";
		eval(cadena_layer("boton1b")).visibility="visible";
	}
	if(id==2){
		eval(cadena_layer("boton1")).visibility="visible";
		eval(cadena_layer("boton1b")).visibility="hidden";
	}
	if(id==3){
		eval(cadena_layer("boton2")).visibility="hidden";
		eval(cadena_layer("boton2b")).visibility="visible";
	}
	if(id==4){
		eval(cadena_layer("boton2")).visibility="visible";
		eval(cadena_layer("boton2b")).visibility="hidden";
	}
}
function boton_presionado(id,link){
	if(id==1){
		if(eval(cadena_layer("boton1c")).visibility==novisible){
			eval(cadena_layer("boton2c")).visibility="hidden";
			eval(cadena_layer("boton1c")).visibility="visible";
			eval(cadena_layer("boton1b")).visibility="hidden";
		}else{
			eval(cadena_layer("boton1c")).visibility="hidden";
			eval(cadena_layer("boton1b")).visibility="visible";
		}
		if(link){
			window.parent[3].location=link;
		}else{
			window.parent[3].history.back();
		}
	}
	if(id==2){
		if(eval(cadena_layer("boton2c")).visibility==novisible){
			locacion_anterior=window.parent[3].location;
			eval(cadena_layer("boton1c")).visibility="hidden";
			eval(cadena_layer("boton2c")).visibility="visible";
			eval(cadena_layer("boton2b")).visibility="hidden";
		}else{
			eval(cadena_layer("boton2c")).visibility="hidden";
			eval(cadena_layer("boton2b")).visibility="visible";
		}
		if(link){
			window.parent[3].location=link;
		}else{
			window.parent[3].history.back();
		}
	}
}
function activar_busqueda(){
	eval(cadena_layer("activarbusqueda")).visibility="hidden";
	eval(cadena_layer("activarbusqueda2")).visibility="visible";
	window.parent[3].eval(cadena_layer("fondobusqueda")).visibility="visible";
}
function desactivar_busqueda(){
	eval(cadena_layer("activarbusqueda2")).visibility="hidden";
	eval(cadena_layer("activarbusqueda")).visibility="visible";
	window.parent[3].eval(cadena_layer("fondobusqueda")).visibility="hidden";
}
function firmar_visitas(){
	var idu;
	idu=window.parent[3].ver_cookie("id_usuario");
	if(idu=="" || idu=="null"){
		idu=0;
	}
	boton_presionado(1,'../compartidos/lanzador_paginas.php3?id=2&id_usuario='+idu);
}