/* Create a new XMLHttpRequest object to talk to the Web server */
var xmlHttp = false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
  try {
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (e2) {
    xmlHttp = false;
  }
}
@end @*/

if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
  xmlHttp = new XMLHttpRequest();
}


function callServer(font_size) {
  // Build the URL to connect to
  var url = "/includes/set_session.php?font_size=" + font_size;

  // Open a connection to the server
  xmlHttp.open("GET", url, true);

  // Setup a function for the server to run when it's done
  //xmlHttp.onreadystatechange = ajax_status;

  // Send the request
  xmlHttp.send(null);
}

function ajax_status()
{
        if (xmlHttp.readyState == 4)
        {
    alert(xmlHttp.responseText);
  }
}