jx = {

	getHTTPObject : function() {
		var http = false;
		if(typeof ActiveXObject != 'undefined') {
			try {http = new ActiveXObject("Msxml2.XMLHTTP");}
			catch (e) {
				try {http = new ActiveXObject("Microsoft.XMLHTTP");}
				catch (E) {http = false;}
			}		
		} else if (window.XMLHttpRequest) {
			try {http = new XMLHttpRequest();}
			catch (e) {http = false;}
		}
		return http;
	},
	
	load : function (url,callback,method,params,format) {
		var http = this.init(); 
		if(!http||!url) return;
		if (http.overrideMimeType) http.overrideMimeType('text/xml');

		if(!format) var format = "text";//Default return type is 'text'
		if(!method) var method = "GET";
		
		format = format.toLowerCase();
		
		//Kill the Cache problem in IE.
		var now = "uid=" + new Date().getTime();
		url += (url.indexOf("?")+1) ? "&" : "?";
		url += now;		
		if (params)
		    url += "&" + params;
		
		var postMethod = ((method != "GET") && params);
		
		if (postMethod) 
		{
		    http.open("POST", url, true);
		    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    	    http.setRequestHeader("Content-length", params.length);
	        http.setRequestHeader("Connection", "close");
		} else
		    http.open("GET", url, true);

		http.onreadystatechange = function () {//Call a function when the state changes.
			if (http.readyState == 4) {//Ready State will be 4 when the document is loaded.
				if(http.status == 200) {
					var result = "";
					if(http.responseText) result = http.responseText;
					
					//If the return is in JSON format, eval the result before returning it.
					if(format.charAt(0) == "j") {
						//\n's in JSON string, when evaluated will create errors in IE
						result = result.replace(/[\n\r]/g,"");
						result = eval('('+result+')'); 
					}
	
					//Give the data to the callback function.
					if(callback) callback(result);
				} else { //An error occured
					if(error) error(http.status);
				}
			}
		}
		
		if (postMethod) 
		    http.send(params);
		else
		    http.send(null);
	},
	
	init : function() {return this.getHTTPObject();}
}