var xmlHttp2;

function showCal(str,str2)
{ 
xmlHttp2=GetXmlHttpObject();
if (xmlHttp2==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 }
var url="calendario_mini.php";
url=url+"?q="+str+"&q2="+str2;
url=url+"&sid="+Math.random();
if(str!='0'){
document.getElementById("txtHint2").innerHTML='<div align="center"><br><br><img src="images/ajax-loader.gif" alt="" border="0"></div>';
}
xmlHttp2.onreadystatechange=stateChanged2;
xmlHttp2.open("GET",url,true);
xmlHttp2.send(null);
}

function stateChanged2() 
{ 
if (xmlHttp2.readyState==4 || xmlHttp2.readyState=="complete")
 { 
 document.getElementById("txtHint2").innerHTML=xmlHttp2.responseText;
 } 
}

function GetXmlHttpObject()
{
var xmlHttp2=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp2=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp2=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp2=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp2;
}