// Ajax Connection code

var http_request = false;

function makeRequest(url) {

	http_request = false;

	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
			// See note below about this line
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = processRepsonse;
	http_request.open('GET', url, true);
	http_request.send(null);

}

function processRepsonse() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var xmldoc = http_request.responseXML;
			var num_pageItems = xmldoc.getElementsByTagName('category').length - 1;
			var str_Output = '<select name="subCat_id" class="searchFieldLong">';
			str_Output = str_Output + '<option value="0">All</option>';
			for (var i = 0; i <= num_pageItems; i++) {
				var str_PageTitle = xmldoc.getElementsByTagName('categorytitle').item(i).firstChild.data;
				var int_pageid = xmldoc.getElementsByTagName('categoryid').item(i).firstChild.data;
				str_Output = str_Output + '<option value="'+int_pageid+'">' + str_PageTitle + '</option>';
			}
			str_Output = str_Output + '</select>';
			document.getElementById('SubCatContainer').innerHTML = str_Output;
			
		} else {
			alert('There was a problem with the request.');
		}
	}

}