// JavaScript Document
//funcion encargada de crear el objeto
function Ajax_Object() 
{
	try 
	{
		objetus = new ActiveXObject("Msxml2.XMLHTTP");
	} 
	catch (e) 
	{
		try 
		{
			objetus= new ActiveXObject("Microsoft.XMLHTTP");
		} 
		catch (E) 
		{
			objetus= false;
		}
	}
	if (!objetus && typeof XMLHttpRequest!='undefined') 
		objetus = new XMLHttpRequest();

	return objetus
}

//GetElementsByID Shorthand
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 TextoVacio(text) 
{
	return ((text == null) || (text.length == 0) || /^\s+$/.test(text))
}