function setClassById(obj,className)
{
	obj.className = className;
}

////AJAX
var contenedor=''
var pagina=''

var objCargando ='<div align="center" style="padding-top:50px;" id="divCargando"><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' 
objCargando +='codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0"';
objCargando +='width="134" height="143">';
objCargando +='        <param name="movie" value="images/cargando_2.swf" />';
objCargando +='        <param name="quality" value="high" />';
objCargando +='        <param name="wmode" value="transparent" />';
objCargando +='        <embed src="images/cargando_2.swf" quality="high" wmode="transparent" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash"' ;
objCargando +='type="application/x-shockwave-flash" width="134" height="143"></embed>';
objCargando +='      </object></div>';

if (window.XMLHttpRequest) { 
    xmlHttp = new XMLHttpRequest(); 
} else if (window.ActiveXObject) {  
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 
}

function mostrarContenido(pag,idContenedor)
{
	contenedor = idContenedor
	pagina = pag
	document.getElementById(contenedor).innerHTML = objCargando
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url=pag
	url=url+"?sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function mostrarContenidoVar(pag,idContenedor)
{
	contenedor = idContenedor
	pagina = pag
	document.getElementById(contenedor).innerHTML = objCargando
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url=pag
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById(contenedor).innerHTML = xmlHttp.responseText;
	} 
} 

function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}