/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* �2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

/* Addition functions */

function str_replace(substr,newsubstr,str) {
 replace_count=0;
	while (str.indexOf(substr)>=0) {
 		str=str.replace(substr,newsubstr);
 		replace_count++;
 	}
 return(str);
}

function nlReplace(text) {
		text = str_replace("\n",' ',text);
		text = str_replace("\r",' ',text);
	return text;
}

/* AJAX */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = nlReplace(self.xmlhttp.responseText);
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							
							
							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}


/**
*
*  AJAX IFRAME METHOD (AIM)
*  http://www.webtoolkit.info/
*
**/

AIM = {

	frame : function(c) {

		var n = 'f' + Math.floor(Math.random() * 99999);
		var d = document.createElement('DIV');
		d.innerHTML = '<iframe style="display:none" src="about:blank" id="'+n+'" name="'+n+'" onload="AIM.loaded(\''+n+'\')"></iframe>';
		document.body.appendChild(d);

		var i = document.getElementById(n);
		if (c && typeof(c.onComplete) == 'function') {
			i.onComplete = c.onComplete;
		}

		return n;
	},

	form : function(f, name) {
		f.setAttribute('target', name);
	},

	submit : function(f, c) {
		AIM.form(f, AIM.frame(c));
		if (c && typeof(c.onStart) == 'function') {
			return c.onStart();
		} else {
			return true;
		}
	},

	loaded : function(id) {
		var i = document.getElementById(id);
		if (i.contentDocument) {
			var d = i.contentDocument;
		} else if (i.contentWindow) {
			var d = i.contentWindow.document;
		} else {
			var d = window.frames[id].document;
		}
		if (d.location.href == "about:blank") {
			return;
		}

		if (typeof(i.onComplete) == 'function') {
			i.onComplete(d.body.innerHTML);
		}
	}
}

function AjaxPOSTForm(form,doEval) {
	function completeCallback(response) {
		eval(response);
	}
	if (doEval)
		AIM.submit(form, {'onComplete' : completeCallback});
	else
		AIM.submit(form);
}

function AjaxSendForm(form_id) {
	var ajaxform = new sack();
		form = document.getElementById(form_id);
			for (var i=0;i<form.elements.length;i++) {
				if (form.elements[i].type=='checkbox' || form.elements[i].type=='radio') {
					if (form.elements[i].checked)
						ajaxform.setVar(form.elements[i].name,form.elements[i].value);
				} else
					ajaxform.setVar(form.elements[i].name,form.elements[i].value);
			}
			
		ajaxform.requestFile = form.action;
		ajaxform.runAJAX();
		ajaxform.onCompletion = function() { eval(ajaxform.response); };
	return false;
}

function AjaxSendForm2(form_id) {
	var ajaxform = new sack();
		form = document.getElementById(form_id);
			for (var i=0;i<form.elements.length;i++) {
				if (form.elements[i].type=='checkbox' || form.elements[i].type=='radio') {
					if (form.elements[i].checked)
						ajaxform.setVar(form.elements[i].name,form.elements[i].value);
				} else {
					ajaxform.setVar(form.elements[i].name,form.elements[i].value);
				}
			}
			
		ajaxform.requestFile = form.action;
		showWaitDiv();
		butt = document.getElementById('butt-'+form_id);
		butt.style.visibility='hidden';
		ajaxform.runAJAX();
		ajaxform.onCompletion = function() { eval(ajaxform.response); butt.style.visibility='visible'; hideBlock('waitDiv');};
		
	return false;
}

function PostDiv(div_id,action) {
	if (!action) action ="";
	div = document.getElementById(div_id);
	var ajaxformdiv = new sack();
		ajaxformdiv.requestFile = action;
		ajaxformdiv.onCompletion = function() { eval(ajaxformdiv.response); };
		
	//  get inputs
	inputs = div.getElementsByTagName('input');
		for (var i=0;i<inputs.length;i++) {
			if (!inputs[i].name || inputs[i].name=='') continue;
			value = '';
			if (inputs[i].type=='checkbox' || inputs[i].type=='radio') {
				if (inputs[i].checked)
					value = 1;
				else 
					value = 0;
			} else {
				value = inputs[i].value;
			}
			
			ajaxformdiv.setVar(inputs[i].name,value);
		}
	// selects
		inputs = div.getElementsByTagName('select');
		for (var i=0;i<inputs.length;i++) {
			if (!inputs[i].name || inputs[i].name=='') continue;
			value = '';
				value = inputs[i].value;
			
			ajaxformdiv.setVar(inputs[i].name,value);
		}
		
	// textarea
		inputs = div.getElementsByTagName('textarea');
		for (var i=0;i<inputs.length;i++) {
			if (!inputs[i].name || inputs[i].name=='') continue;
			value = '';
				value = inputs[i].value;
			
			ajaxformdiv.setVar(inputs[i].name,value);
		}
		
	ajaxformdiv.runAJAX();
	return false;
}