var divpub='';
function carga(url,div)
{
 divpub=div;
 var now = new Date().getTime() / 1000;
 var urlcarga=url+'&hora='+now;
 xmlHttp=GetXmlHttpObject(stateChanged);
 xmlHttp.open("GET", urlcarga, true);
 xmlHttp.send(null);
}

function stateChanged()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
			var datos=replaceAll(divpub,'o','');
			var datos2=replaceAll(divpub,'o','rss');
			document.getElementById(datos).style.display="none";
			document.getElementById(divpub).style.display="block";
			document.getElementById(datos2).innerHTML=xmlHttp.responseText;
	}
}

function ocultaymue(ele,mue){
	document.getElementById(ele).style.display='none';
	document.getElementById(mue).style.display='block';
}

function replaceAll(text, busca, reemplaza){
	  while (text.toString().indexOf(busca) != -1)
	      text = text.toString().replace(busca,reemplaza);
	  return text;
}


function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}