//Browser Support Code
function ajaxFunction(){
var ajaxRequest; // The variable that makes ajax possible!

try{
// Opera 8.0+, Firefox, Safari
return ajaxRequest = new XMLHttpRequest();
} catch (e){
// internet Explorer Browsers
try{
return ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try{
return ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e){
// Something went wrong
alert("Your browser broke!");
return false;
}
}
} 
}