/**
* Create a boolean variable to check for a valid Internet Explorer instance.
*/
var xmlhttp = false;
/**
* Check if we are using IE.
*/
try
{
/**
* If the Javascript version is greater than 5.
*/
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
/**
* If not, then use the older active x object.
*/
try
{
/**
* If we are using Internet Explorer.
*/
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (E)
{
/**
* Else we must be using a non-IE browser.
*/
xmlhttp = false;
}
}
/**
* If we are using a non-IE browser, create a javascript instance of the object.
*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined')
{
xmlhttp = new XMLHttpRequest();
}
function makeRequest(cat, objID)
{
var serverPage = "caller.php";
var obj = document.getElementById(objID);
serverPage=serverPage+"?q="+cat;
xmlhttp.open("GET", serverPage);
xmlhttp.onreadystatechange = function()
{
if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
{
obj.innerHTML = xmlhttp.responseText;
}
}
xmlhttp.send(null);
}
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