function $(i){
	return document.getElementById(i);
}
function ltrim(str){
	return str.replace(/^(\s+)/g, '');
}

function rtrim(str){
	return str.replace(/(\s+)$/g, '');
}

function trim(str){
	return ltrim(rtrim(str));
}
var Navegador = function(){
	this.esIE = false;// Internet Explorer
	this.esIE6 = false;
	this.esIE7 = false;
	this.esIE8 = false;
	this.esFf = false;// Mozilla
	this.esOp = false;// Opera
	this.esNs = false;// Netscape
	
	if(window.navigator.userAgent.search(RegExp("MSIE","im"))!=-1){
		this.esIE = true;
		if(window.navigator.userAgent.search(RegExp("MSIE 8","im"))!=-1) this.esIE8 = true;
		else if(window.navigator.userAgent.search(RegExp("MSIE 7","im"))!=-1) this.esIE7 = true;
		else if(window.navigator.userAgent.search(RegExp("MSIE 6","im"))!=-1) this.esIE6 = true;
	}
	else if(window.navigator.userAgent.search(RegExp("Firefox","im"))!=-1) this.esFf = true;
	else if(window.navigator.userAgent.search(RegExp("Opera","im"))!=-1) this.esOp = true;
	else if(window.navigator.userAgent.search(RegExp("Safari","im"))!=-1) this.esSa = true;
	else if(window.navigator.userAgent.search(RegExp("Netscape","im"))!=-1) this.esNs = true;
};
var Nav = new Navegador();
Function.prototype.closure = function(obj){
	// Init object storage.
	if (!window.__objs){
		window.__objs = [];
		window.__funs = [];
	}
	
	// For symmetry and clarity.
	var fun = this;
	
	// Make sure the object has an id and is stored in the object store.
	var objId = obj.__objId;
	if (!objId) __objs[objId = obj.__objId = __objs.length] = obj;
	
	// Make sure the function has an id and is stored in the function store.
	var funId = fun.__funId;
	if (!funId) __funs[funId = fun.__funId = __funs.length] = fun;
	
	// Init closure storage.
	if (!obj.__closures) obj.__closures = [];
	
	// See if we previously created a closure for this object/function pair.
	var closure = obj.__closures[funId];
	if (closure) return closure;
	
	// Clear references to keep them out of the closure scope.
	obj = null;
	fun = null;
	
	// Create the closure, store in cache and return result.
	var o = __objs[objId].__closures[funId] = function (){
		if(!!__funs[funId] && !!__objs[objId]) return __funs[funId].apply(__objs[objId], arguments);
		else return false;
	};
	o.__funId = funId;
	return o;
	
};

var EliminarClosures = function(o){
	var i = 0;
	if(o){
		if(o.__objId){
			for(i in o.__closures){
				delete(window.__funs[i]);
				delete(o.__closures[i]);
			}
			delete(window.__objs[o.__objId]);
			/*delete(o.__closures);
			delete(o.__objId);*/
			o.__closures = null;
			o.__objId = null;
		}
	}
	i = null;
}

var LimpiarClosures = function(){
	if(!!Nav && !Nav.esIE) window.addEventListener('unload', LimpiarClosures, false);
	else window.removeEventListener("unload",LimpiarClosures);
	
	if(window.__objs){
		for(i in window.__objs) EliminarClosures(window.__objs[i]);
	}
	window.__objs = [];
	window.__funs = [];
};

var Limpiar = function(){
	if(!!Nav && !Nav.esIE) window.addEventListener('unload', LimpiarClosures, false);
	else window.addEventListener("unload", LimpiarClosures);
}();

document.LimpiarClosures  = LimpiarClosures;
function AddEvent(o, e, f){
	if(!o) return; // Guard against null objects
	if(Nav.esIE) o.attachEvent('on'+e, f);
	else o.addEventListener(e, f, ((Nav.esOp)? false : true));
};
function RemEvent(o, e, f){
	if(Nav.esIE) o.detachEvent('on'+e, f);
	else o.removeEventListener(e, f, ((Nav.esOp)? false : true));
};
function FireEvent(o, e){
	var evt = null;
	if(Nav.esIE) o.fireEvent('on'+e);
	else{
		if(e=='click' || e=='dblclick' || e=='mousedown' || e=='mousemove' || e=='mouseout' || e=='mouseover' || e=='mouseup'){
			evt = document.createEvent("MouseEvents");
			evt.initMouseEvent(e, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
		}
		else if(e=='keydown' || e == 'keypress' || e == 'keyup'){
			evt = document.createEvent("KeyboardEvent");
			evt.initKeyEvent(e, true, true, null, false, false, false, false, 9, 0);
		}
		else{
			evt = document.createEvent("Event");
			evt.initEvent(e, true, false);
		}
		o.dispatchEvent(evt);
	}
}
function StopEvent(e){
	if(Nav.esIE){
		e.returnValue = false;
		e.cancelBubble = true;
	}
	else{
		if(e == true) return true
		e.preventDefault();
		e.stopPropagation();
	}
}
// JavaScript Document
	var msjVacio = function(o, m, h, p){ this.init(o, m, h, p); }
	var p = msjVacio.prototype;
	
	//PROPs
	p.oEle = null;
	p.sMsj = '';
	p.bHTML = false;
	p.bTagP = false;
	
	//METs
	p.init 		= function(o, m, h, p){
		if(!o) return alert('msjVacio.init: El objeto no existe.');
		this.oEle = o;
		this.sMsj = m;
		this.oEle.__msjVacio = m;
		if(h === true){ this.bHTML = true; }
		if(p === true){ this.bTagP = true; }
		AddEvent(this.oEle, "focus", function(){ this.onfocus(); }.closure(this));
		AddEvent(this.oEle, "blur", function(){ this.onblur(); }.closure(this));
	}
	p.destroy 	= function(){
		EliminarClosures(this);
		this.oEle = null;
	}
	//
	p.onfocus 	= function(){
		var t = this.oEle.tagName.toLowerCase();
		
		if((t == 'input' || t == 'textarea') && trim(this.oEle.value) == this.sMsj) this.oEle.value = '';
		else if(t != 'input' && t != 'textarea' && trim(this.oEle.innerText) == this.sMsj){
			if(!this.bTagP){ this.oEle.innerText = ''; }
			else{ this.oEle.innerHTML = '<p></p>'; }
		}
	}
	p.onblur 	= function(){
		var t = this.oEle.tagName.toLowerCase();
		if(t == 'input' || t == 'textarea'){
			if(trim(this.oEle.value) == ''){ this.oEle.value = this.sMsj; }
			else{ this.oEle.value = trim(this.oEle.value); }
		}
		else{
			if(trim(this.oEle.innerText) == ''){
				if(!this.bTagP){ this.oEle.innerText = this.sMsj; }
				else{ this.oEle.innerHTML = '<p>' + this.sMsj + '</p>'; }
			}
			else if(this.bHTML){ this.oEle.innerHTML = trim(this.oEle.innerHTML); }
			else{ this.oEle.innerText = trim(this.oEle.innerText); }
		}
	}
// JavaScript Document
//Recibe como parametro un objeto de configuracion, con las siguientes propiedades
// o.zIndex = int
// o.width 	= int
// o.css	= str (nombre del estilo previamente declarado)
// o.msg	= str (mensaje que se visualizara default)
//
//Metodos
// mostrar(msg) = despliega el tooltip sobre el elemento en foco
// ocultar()	= oculta el tooltip
// mensaje(msg) = para cambiar el mensaje del tooltip

ToolTip = function(oConfig){
	//
	var z 	= 1;
	var css = '';
	var msg = '';
	//
	if(oConfig && oConfig.zIndex) z = oConfig.zIndex-1;
	if(oConfig && oConfig.css) css = oConfig.css;
	if(oConfig && oConfig.mensaje) msg = oConfig.mensaje;
	
	//
	this.cont = document.createElement('div');
	this.cont.style.position = 'absolute';
	this.cont.style.display = 'none';
	this.cont.style.zIndex = z;
	this.cont.unselectable = true;
	document.body.insertBefore(this.cont, document.body.firstChild);
	//
	/*this.iframe = document.createElement('iframe');
	this.iframe.style.position = 'absolute';
	this.iframe.style.zIndex = z;
	this.iframe.style.width = 0;
	this.iframe.border = 0;
	this.iframe.scrolling = 'no';
	this.iframe.src = 'about:blank';
	this.iframe.frameBorder = 0;
	this.iframe.disabled = true;
	this.cont.appendChild(this.iframe);*/
	//
	this.tip = document.createElement('div');
	this.tip.style.position = 'relative';
	this.tip.style.zIndex = z + 1;
	this.tip.style.width = 0;
	if(css) this.tip.className = css;
	if(msg) this.tip.innerHTML = msg;
	this.tip.unselectable = true;
	this.cont.appendChild(this.tip);
	
	//
	this.ocultar = function(){
		this.cont.style.display = 'none';
		if(this.ele) RemEvent(this.ele, 'mousemove', function(e){ this.controlarUbicacion(e); }.closure(this));
	}
	
	this.mostrar = function(e, msg, css){
		//
		this.mensaje(msg);
		if(css) this.tip.className = css;
		//
		this.cont.style.display = 'block';
		//this.iframe.style.width = 0;
		//this.iframe.style.height = 0;
		
		this.tip.style.width = 'auto';
		this.tip.style.height = 'auto';
		//
		this.controlarTamanios();
		this.controlarUbicacion(e);
		//
		if(e && e.srcElement.uniqueID!=this.tip.uniqueID){
			this.ele = e.srcElement;
			RemEvent(this.ele, 'mousemove', function(e){ this.controlarUbicacion(e); }.closure(this));
			AddEvent(this.ele, 'mousemove', function(e){ this.controlarUbicacion(e); }.closure(this));
		}
	}
	
	this.mensaje = function(msg){
		if(msg) this.tip.innerHTML = msg;
	}
	
	this.controlarUbicacion = function(e){
		this.cont.style.top  = (e.clientY + document.documentElement.scrollTop+ 19) + 'px';
		if(e.clientX + this.cont.offsetWidth - 2 + document.documentElement.scrollLeft  < document.body.offsetWidth)
			this.cont.style.left = (e.clientX - 2 + document.documentElement.scrollLeft) + 'px';
		else
			this.cont.style.left = (e.clientX + document.documentElement.scrollLeft + 10 - this.cont.offsetWidth) + 'px';
	}.closure(this);
	
	this.controlarTamanios = function(){
		//
		//this.iframe.style.width = (this.tip.offsetWidth + 2) + 'px';
		//this.iframe.style.height = (this.tip.offsetHeight + 2) + 'px';
		
		this.tip.style.width = (this.tip.offsetWidth - 4) + 'px';
		this.tip.style.height = (this.tip.offsetHeight - 4) + 'px';
	}
}
// JavaScript Document
var ponerToolTip = function(ele, msj){
	ele.__msjToolTip = msj;
	
	AddEvent(ele, 'mouseover', function(e){
		oToolTip.mostrar(e, this.__msjToolTip);
	}.closure(ele));
	AddEvent(ele, 'mouseout', function(){
		oToolTip.ocultar();
	});
};// JavaScript Document
function number_format( number, decimals, dec_point, thousands_sep ) {
    // Format a number with grouped thousands
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
    // +       version: 806.816
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     bugfix by: Michael White (http://crestidg.com)
    // +     bugfix by: Benjamin Lupton
    // +     bugfix by: Allan Jensen (http://www.winternet.no)
    // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +     bugfix by: Howard Yeend
    // *     example 1: number_format(1234.5678, 2, '.', '');
    // *     returns 1: 1234.57     

    var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
    var d = dec_point == undefined ? "." : dec_point;
    var t = thousands_sep == undefined ? "," : thousands_sep, s = n < 0 ? "-" : "";
    var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
    
    return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
}
// JavaScript Document
function bcadd( numA, numB, dec ) {
	// Suma el segundo número de precisión arbitraria al primer número de precisión arbitraria
	// 
	// +       version: 1.0
	// +   original by: Marcos Alejandro Gallardo
	// *     example 1: bcadd('1245.123', '1.451');
	// *     returns 1: 1246
	// *     example 2: bcadd('156.507', '10', 2);
	// *     returns 2: 166.51
	
	numA = Number(numA);
	numB = Number(numB);
	dec = (isNaN(dec))? 0 : dec;
	
	return String((numA + numB).toFixed(dec));
}

function bcsub( numA, numB, dec ) {
	// Resta el segundo número de precisión arbitraria al primer número de precisión arbitraria
	// 
	// +       version: 1.0
	// +   original by: Marcos Alejandro Gallardo
	// *     example 1: bcadd('1245.123', '1.451', 2);
	// *     returns 1: 1246,57
	
	numA = Number(numA);
	numB = Number(numB);
	dec = (isNaN(dec))? 0 : dec;
	 
	return String((numA - numB).toFixed(dec));
}

function bcmul( numA, numB, dec ) {
	// Multiplica el primer número de precisión arbitraria por el segundo número de precisión arbitraria
	// 
	// +       version: 1.0
	// +   original by: Marcos Alejandro Gallardo
	
	numA = Number(numA);
	numB = Number(numB);
	dec = (isNaN(dec))? 0 : dec;
	
	return String((numA * numB).toFixed(dec));
}

function bcdiv( numA, numB, dec ) {
	// Divide el primer número de precisión arbitraria por el segundo número de precisión arbitraria
	// 
	// +       version: 1.0
	// +   original by: Marcos Alejandro Gallardo
	
	numA = Number(numA);
	numB = Number(numB);
	dec = (isNaN(dec))? 0 : dec;
	
	return String((numA / numB).toFixed(dec));
}
var imgRollOver = function(img, over){
	img = (typeof(img)=='object')? img : $(img);
	
	if(!img) return; // Guard against null elements
	
	img.__over = over;
	img.__out = img.src;
	
	AddEvent(img, 'mouseover', function(){
		this.src = this.__over;
	}.closure(img));
	AddEvent(img, 'mouseout', function(){
		this.src = this.__out;
	}.closure(img));
}
	function hoy(){
		var d = new Date;
		var dia = d.getDate();
		if (dia < 10) { dia = '0'+dia; }
		var mes = d.getMonth() + 1;
		if (mes < 10) { mes = '0'+mes; }
		
		return dia+'/'+mes+'/'+d.getFullYear();
	}