function AYAX() {
	this.request;
	this.url;
	this.params;
	this.func;
	this.method = "POST";
	this.type = 'json';
	this.response;

	this.post = function (_params) {
		this.params = _params;
		this.makeRequest();
	}

	this.makeRequest = function() {
		this.request = false;
		if (window.XMLHttpRequest) {
			this.request = new XMLHttpRequest();
			if (this.request.overrideMimeType) {
				switch (this.type) {
					case 'html':
						this.request.overrideMimeType('text/html');
					break;

					case 'xml':
						this.request.overrideMimeType('text/xml');
					break;

					case 'text':
						this.request.overrideMimeType('text/plain');
					break;

					case 'json':
					default:
						this.request.overrideMimeType('application/json');
					break;
				}
			}
		} else if (window.ActiveXObject) {
			try {
				this.request = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try {
					this.request = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e) {}
			}
		}

		if (!this.request) {
			alert("ERROR: Your Browser do not support AJAX or JavaScript disabled.");
			return false;
		}

		var self = this;

		this.request.onreadystatechange = function() {
			switch (self.request.readyState) {
				case 0:
					// Uninitialized
				break;

				case 1:
					// Loading
					//document.body.style.cursor = 'wait';
					//window.statusbar.text = 'aYAx - Transfering Data';
				break;

				case 2:
					// Loaded
				break;

				case 3:
					// Interactive
				break;

				case 4:
					// Done!
					if (self.request.status == 200) {

						if (self.type == 'xml') {
							self.response = self.request.responseXML;
						} else if (self.type == 'json') {
							self.response = (self.request.responseText) ? eval('('+self.request.responseText+')') : '';
						} else {
							self.response = self.request.responseText;
						}

						self.func(self.response);
					} else {
						alert('There was a problem with the request.');
					}
				break;
			}
		}

		switch (this.method.toUpperCase()) {
			case "GET":
				this.request.open('GET', this.url, true);
				this.request.send(null);
			break;

			case "POST":
			default:
				var params = '';
				var exceptions = new Object(); // to skip custom prototypes

				if (this.params) {
					for (key in this.params) {
						if (!exceptions[key]) params += '&' + key + '=' + encodeURIComponent(this.params[key]);
					}
				}

				this.request.open('POST', this.url, true);
				this.request.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=utf-8");
				this.request.setRequestHeader("Content-length", params.length);
				this.request.setRequestHeader("Connection", "close");
				this.request.send(params);
			break;
		}
	}
}

function create_json_select(array, name, text, value) {
	var select = document.createElement("SELECT");
	select.name = name;

	for (var i = 0; i < array.length; i++) {
		select.options[i] = new Option(array[i][text], array[i][value]);
		if (array[i]['selected']) {
			select.options[i].selected = true;
		}
	}

	return select;
}

function getFormData(o) {
	var ps = '';
	var formTags = ['INPUT','SELECT','TEXTAREA'];
	var formData = new Object;

	for (i = 0; i < formTags.length; i++) {
		ct = o.getElementsByTagName(formTags[i]);
		if(ct.length > 0) {
			for(j = 0; j < ct.length; j++) {
				if(ct[j].name != 'undefined' && ct[j].name != '' && ct[j].name != null) {
					if((ct[j].type != 'checkbox' && ct[j].type != 'radio') || ct[j].checked) {
						if(ps.length > 0) { ps += "&"; }
						ps += ct[j].name + "=" + escape(ct[j].value);
					}
				}
			}
		}
	}
	formData.action = o.action;
	formData.params = ps;

	return formData;
}