// JavaScript Document
function cargabasica(str, str1, str2)
{
   xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
  	{
  		alert ("Tu Navegador no soporta AJAX!");
  		return;
  	}

	var url=str;
	url=url+"?sid="+Math.random();
	xmlhttp.onreadystatechange=function()
								{
									if(xmlhttp.readyState==4)
										{document.getElementById(str1).innerHTML=xmlhttp.responseText;
										//document.getElementById(str2).focus();
								}
										
								}
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
  	{
  		// code for IE7+, Firefox, Chrome, Opera, Safari
  		return new XMLHttpRequest();
 	 }
	if (window.ActiveXObject)
  	{
  		// code for IE6, IE5
  		return new ActiveXObject("Microsoft.XMLHTTP");
  	}
	return null;
}