var xmlHttp;
function stateChanged() 
{ 
if (xmlHttp.readyState==4)
{ 
  if (xmlHttp.responseText.search("|") > -1) {
    var dropdowns = new Array();
    var str = xmlHttp.responseText.split('|');
    document.getElementById("calendar").innerHTML=str[0];
    var i;
    var x = 0;
    for (i = 1; i < str.length; i++) {
      document.getElementById("divs").innerHTML+=str[i++];
      document.getElementById("divs").innerHTML+=str[i++];
      dropdowns[x++] = str[i];
    }
    for (i = 0; i < dropdowns.length; i++) {
      dropdowncontent.init(dropdowns[i], "left-top", 500, 'mouseover');
    }
  }
  else
    document.getElementById("calendar").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}
function calendar(month)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="calendar.php?month="+month;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}