function changePage(str, func)
{
  var xmlhttp;
  if (window.XMLHttpRequest)
  {
    xmlhttp = new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else
  {
    alert("Your browser does not suport XMLHTTP!");
  }
  
  var url="";
  
  if (func == "1")
  {
    url="ajaxCalls/details.php?eventid="+str;
  }
  if (func == "2")
  {
    url="ajaxCalls/offer.php?eventid="+str;
  }
  if (func == "3")
  {
    url="ajaxCalls/testimonial.php?eventid="+str;
  }
  if (func == "4")
  {
    url="ajaxCalls/location.php?eventid="+str;
  }
  if (func == "5")
  {
    url="ajaxCalls/displayEventGallery.php?galleryid="+str;
  }
  
  xmlhttp.open("GET",url,true);
  xmlhttp.onreadystatechange=stateChanged;
  xmlhttp.send(null);
  
  function stateChanged()
  {
    if (xmlhttp.readyState==4)
    {
      document.getElementById("ajaxPage").innerHTML=xmlhttp.responseText;
    }
    else
    {
      document.getElementById("ajaxPage").innerHTML='<div class="loader"><img src="images/35.gif"><br>Loading...</div>';
    }
  }
}