// ==========================================================================

// @function		Complete AHAH function

// @author		Daniele Florio

// @site		www.gizax.it

// @version		1.1.3 experimental



// @thanksTo		Andrea Paiola,Walter Wlodarski,Scott Chapman



// @updated 1.1.3 ( execJS function ) @thanks to Giovanni Zona



// (c) 2006 Daniele Florio <daniele@gizax.it>



// ==========================================================================



/* USAGE:



1) Posting data to form:

<form id="myform" action="javascript:ahahscript.likeSubmit('helloworld.php', 'post', 'myform', 'mytarget');">



									    ('comments_ajax.php', 'commentajax', '', 'GET', '', this)

2) Getting simple url



<a href="#" onclick="javascript:ahahscript.ahah('test.htm', 'mytaget', '', 'GET', '', this);">click me</a>



*/



var ahahscript = {



	//loading : 'loading...',

	loading : "<br /><img src=javascripts/loading.gif",



	ahah : function (url, target, delay, method, parameters) {



	  if ( ( method == undefined ) || ( method == "GET" ) || ( method == "get" ) ){



			this.creaDIV(target, this.loading);



			if (window.XMLHttpRequest) {

				req = new XMLHttpRequest();

			}

			else if (window.ActiveXObject) {

				req = new ActiveXObject("Microsoft.XMLHTTP");

			}

			if (req) {

				req.onreadystatechange = function() {

					ahahscript.ahahDone(url, target, delay, method, parameters);

				};

				req.open(method, url, true);

				req.send("");

			}

		}

		if ( (method == "POST") || (method == "post") ){



			this.creaDIV(target, this.loading);



			if (window.XMLHttpRequest) {

				req = new XMLHttpRequest();

			}

			else if (window.ActiveXObject) {

				req = new ActiveXObject("Microsoft.XMLHTTP");

			}

			if (req) {

				req.onreadystatechange = function() {

					ahahscript.ahahDone(url, target, delay, method, parameters);

				};

				req.open(method, url, true);

				req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

				req.send(parameters);

			 }

		}

	},



	creaDIV : function (target, html){

		if (document.body.innerHTML) {

			document.getElementById(target).innerHTML = html;

	   	}

	   	else if (document.getElementById){

			var element = document.getElementById(target);

			var range = document.createRange();

			range.selectNodeContents(element);

			range.deleteContents();

			element.appendChild(range.createContextualFragment(html));

	   }

	},



	execJS : function (node) {



		var st = node.getElementsByTagName('SCRIPT');

		var strExec;



		var bSaf = (navigator.userAgent.indexOf('Safari') != -1);

		var bOpera = (navigator.userAgent.indexOf('Opera') != -1);

		var bMoz = (navigator.appName == 'Netscape');



		for(var i=0;i<st.length; i++) {

			if (bSaf) {

			  strExec = st[i].innerHTML;

			}

			else if (bOpera) {

			  strExec = st[i].text;

			}

			else if (bMoz) {

			  strExec = st[i].textContent;

			}

			else {

			  strExec = st[i].text;

			}

			try {

			  eval(strExec);

			} catch(e) {

			  alert(e);

			}

		}



	},



	ahahDone : function (url, target, delay, method, parameters) {

		if (req.readyState == 4) {

			element = document.getElementById(target);

			if (req.status == 200) {



				//this.creaDIV(target, req.responseText);

				output = req.responseText;

				document.getElementById(target).innerHTML = output;

				var j = document.createElement("div");

				j.innerHTML = "_" + output + "_";

				this.execJS(j);



			}

			else {

				this.creaDIV(target, "ahah error:\n"+req.statusText);

			}

		}

	},



	/*



	@@ parameters :

	fileName	= name of your cgi or other

	method		= GET or POST, default is GET

	formName	= name of your form

	dynamicTarget	= name of your dynamic Target DIV or other



	@@ usage :





	*/



	likeSubmit : function ( file, method, formName, target ) {



		var the_form = document.getElementById(formName);

		var num = the_form.elements.length;

		var url = "";

		var radio_buttons = new Array();

		var nome_buttons = new Array();

		var check_buttons = new Array();

		var nome_buttons = new Array();





		// submit radio values

		var j = 0;

		var a = 0;

		for(var i=0; i<the_form.length; i++){

			var temp = the_form.elements[i].type;

			if ( (temp == "radio") && ( the_form.elements[i].checked) ) {

				nome_buttons[a] = the_form.elements[i].name;

				radio_buttons[j] = the_form.elements[i].value;

				j++;

				a++;

			}

		}

		for(var k = 0; k < radio_buttons.length; k++) {

			url += nome_buttons[k] + "=" + radio_buttons[k] + "&";

		}



		// submit checkbox values

		var j = 0;

		var a = 0;

		for(var i=0; i<the_form.length; i++){

			var temp = the_form.elements[i].type;

			if ( (temp == "checkbox") && ( the_form.elements[i].checked) ) {

				nome_buttons[a] = the_form.elements[i].name;

				check_buttons[j] = the_form.elements[i].value;

				j++;

				a++;

			}

		}

		for(var k = 0; k < check_buttons.length; k++) {

			url += nome_buttons[k] + "=" + check_buttons[k] + "&";

		}



		// submit all kind of input

		for (var i = 0; i < num; i++){



			var chiave = the_form.elements[i].name;

			var valore = the_form.elements[i].value;

			var tipo = the_form.elements[i].type;



			//var valore_2 = valore.replace(/&#160;/,"OK&nbsp;Space"));

			//alert(valore_2);



			if ( (tipo == "submit") || (tipo == "radio") || (tipo == "checkbox") ){}

			else {

				url += chiave + "=" + valore + "&";

			}

		}



		//alert(url);



		var ajax_space_fix = url;

		var intIndexOfExtraSpace = ajax_space_fix.indexOf( "&#160;" );



		while (intIndexOfExtraSpace != -1)

		{

			ajax_space_fix = ajax_space_fix.replace( "&#160;", " " )

			intIndexOfExtraSpace = ajax_space_fix.indexOf( "&#160;" );

		}



		//alert( ajax_space_fix );



		var parameters = ajax_space_fix; //url;



		url = file + "?" + url;



		if (method == undefined) {

			method = "GET";

		}

		if (method == "GET") {

			this.ahah(url, target, '', method, '');

		}

		else {

			this.ahah(file, target, '', method, parameters);

		}

	}



};