// JavaScript Documento 
//mario@industriasweb.com
function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
};
function toggle(obj) {
	var el = $(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
};
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp('(^|\\s)'+searchClass+'(\\s|$)');
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}
function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}
	else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}
	else {
		elm['on' + evType] = fn;
	}
};
function insertAfter(parent, node, referenceNode) {
	parent.insertBefore(node, referenceNode.nextSibling);
};
Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};

//AJAX

function objAjax()
{
var respu = false
if (window.XMLHttpRequest) {
	respu = new XMLHttpRequest()
	} 
	else if (window.ActiveXObject){ 
	try {
		respu = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){ 
		try{
			respu = new ActiveXObject("Microsoft.XMLHTTP")
			}
		catch (e){}
		}
	}
else
	return false
return respu;
	}
function AjaxCargaGet(url){
respu = objAjax();
respu.onreadystatechange=function(){ ajaxRespuesta(respu)	}
respu.open('GET', url, true) 
respu.send(null)
}

function AjaxFormPost(url,forma)
{
	respu = objAjax();
	respu.onreadystatechange=function(){ FormProcess(respu)	}
	respu.open('POST', url, true);
	respu.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=iso-8859-1');	
	cadena= fomrToUrl(forma);
	//alert(encodeURIComponent(cadena));
	respu.send(cadena);
	
	}
function fomrToUrl(nombre)
{
	var cad = "";
	var forma = $(nombre);
	for (i=0; i<forma.length; i++) {
     objeto = forma.elements[i] ;
if (objeto.type=="submit") 	
	objeto.disabled=true;
if (objeto.type=="text" || objeto.type=="password") {
	cad = cad + objeto.name + "=" + objeto.value + "&";
		}
	}
	//encodeURI() encodeURIComponent(
return cad;
}
function FormProcess(respu){
if (respu.readyState == 4 && respu.status==200)
	{
		respuesta(respu.responseText)
	}
}	
function ajaxRespuesta(respu, DivId){
if (respu.readyState == 4 && (respu.status==200 || window.location.href.indexOf("http")==-1))
	$(DivId).innerHTML=respu.responseText;
}