function ajaxFunction()
{
var xmlHttp;
var mytime;
try
{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}
catch (e)
{
// Internet Explorer
try
{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
alert("Your browser does not support AJAX!");
return;
}
}
}
xmlHttp.onreadystatechange=function()
{
if(xmlHttp.readyState==4)
{
document.getElementById("onairinfo").innerHTML=xmlHttp.responseText;
}
}
xmlHttp.open("GET","/scripts/onair.php",true);
xmlHttp.send(null);
mytime = setTimeout('ajaxFunction()', 30000);
}