//==============================================================================
//  SYSTEM      :  íÕïÒ÷ú«¯«í«¹«Ö«é«¦«¶AjaxéÄ«é«¤«Ö«é«ê
//  PROGRAM     :  XMLHttpRequestªËªèªëáêáôãáªòú¼ª¤ªÞª¹
//  FILE NAME   :  jslb_ajaxXXX.js
//  CALL FROM   :  Ajax «¯«é«¤«¢«ó«È
//  AUTHER      :  Toshirou Takahashi http://jsgt.org/mt/01/
//  SUPPORT URL :  http://jsgt.org/mt/archives/01/000409.html
//  CREATE      :  2005.6.26
//  UPDATE      :  v0.515 2007.10.24 uriEncodeªÎ&?×âªòáóïáöâ«³?«ÉïÚ×â¡£
//  UPDATE      :  v0.514 2007.10.04 ?ð¤«í?«Éªòáóïá ªïªºª«ªË?Õáûù¡£
//  UPDATE      :  v0.513 2007.10.03 callback_onloadªÎý­ªËabortªòõÚÑÀ¡£
//  UPDATE      :  v0.512 2007.03.31 Safari2.0.4(419)ªÎUAÑÀâûªËªâ??¡£
//  UPDATE      :  v0.511 2006.12.11 Safari2.04(418.9.1)ªÎUAÑÀâûªË??¡£
//  UPDATE      :  v0.51  2006.11.15 .READMEªòèâªØì¹ÔÑª·sendRequest?ú¼îñÊ¦ãÊûù¡£
//  UPDATE      :  v0.51  2006.11.15 ?Ý»ªÎ«¯«ª?«Èªò«·«ó«°«ëªË÷Öìé¡£
//  UPDATE      :  v0.50  2006.02.17 sendRequest.prototype.READMEªòõÚÊ¥¡£
//  UPDATE      :  v0.50  2006.02.17 Win e7«Í«¤«Æ«£«ÖXMLHttpRequest?? ¡£
//  UPDATE      :  v0.50  2006.02.17 ìÚ?dataªËobject,arrayò¦ïÒªâõÚÊ¥ ¡£
//  UPDATE      :  v0.39  2005.11.17 ìÚ?colbackªËobject,arrayò¦ïÒªâõÚÊ¥¡£
//  UPDATE      :  v0.38  2005.10.18 chkAjaBrowser()ªòõÚÊ¥
//  UPDATE      :  v0.372 2005.10.14 uriEncodeªòáóïá
//  UPDATE      :  v0.371 2005.10.7 GETªÈsloadãÁªÎ?ªÎÜõª±Û°ªòáóïá¡£
//  UPDATE      :  v0.37 2005.10.5.1 áóïáBSD«é«¤«»«ó«¹ªäªáªÞª·ª¿¡£
//                       îÊíÂ?øúãÆëùÙâÙíª·¡£ßÂéÄ××éÄ¡¢ËÇðã¡¢í»ë¦¡£Ö§Õ©Üôé©ªÇª¹¡£
//  UPDATE      :  v0.37 2005.10.5 «ê«¯«¨«¹«È«Ø«Ã«ÀenctypeªÎ«»«Ã«ÈÛ°ÛöÔõªò?ÌÚ
//                       setEncHeader¡¢uriEncodeªòõÚÊ¥
//                       @see http://jsgt.org/ajax/ref/test/enctype/test1.htm
//                       áóïáBSD«é«¤«»«ó«¹ªËª·ªÞª·ª¿
//  UPDATE      :  v0.36 2005.7.20 (oj.setRequestHeader)ª¬winieªÇunknown
//                  ªòÚ÷ª¹ª³ªÈª¬÷÷Ù¥ª·áóïá£¨unknownªÊªÎªË¡¢ÔÑíÂªÏª·ªÞª¹£©
//  UPDATE      :  v0.35 2005.7.19 POSTªÎContent-TypeàâïÒªòOpera8.01??
//  UPDATE      :  v0.34 2005.7.16 sendRequest()ªËuser,passwordìÚ?ªòõÚÊ¥
//  UPDATE      :  v0.33 2005.7.3  Query Component(GET)ªÎ&ªÈ=ì¤èâªò
//                                encodeURIComponentªÇèÇîï«¨«¹«±?«×¡£
//  TEST-URL    :  «Ø«Ã«À http://jsgt.org/ajax/ref/lib/test_head.htm
//  TEST-URL    :  ìã?   http://jsgt.org/mt/archives/01/000428.html
//  TEST-URL    :  ÞªÔÒÑ¢ 
//        http://allabout.co.jp/career/javascript/closeup/CU20050615A/index.htm
//  TEST-URL    :  SQL     http://jsgt.org/mt/archives/01/000392.html
//------------------------------------------------------------------------------
// õÌãæï×ÜÃ   : http://jsgt.org/mt/archives/01/000409.html 
// îÊíÂ?øúãÆëùÙâÙíª·¡£ßÂéÄ××éÄ¡¢ËÇðã¡¢í»ë¦¡£Ö§Õ©Üôé©¡£
//
//


	////
	// ÔÑíÂÊ¦ÒöªÊ«Ö«é«¦«¶÷÷ïÒ
	//
	// @sample        if(chkAjaBrowser()){ location.href='nonajax.htm' }
	// @sample        oj = new chkAjaBrowser();if(oj.bw.safari){ /* Safari code */ }
	// @return        «é«¤«Ö«é«êª¬ÔÑíÂÊ¦ÒöªÊ«Ö«é«¦«¶ªÀª±true  true|false
	//
	//  Enable list (v038úÞî¤)
	//   WinIE 5.5+ 
	//   Konqueror 3.3+
	//   AppleWebKitÍ§(Safari,OmniWeb,Shiira) 124+ 
	//   MozillaÍ§(Firefox,Netscape,Galeon,Epiphany,K-Meleon,Sylera) 20011128+ 
	//   Opera 8+ 
	//
	
	function chkAjaBrowser()
	{
		var a,ua = navigator.userAgent;
		this.bw= { 
		  safari    : ((a=ua.split('AppleWebKit/')[1])?a.split('(')[0].split('.')[0]:0)>=124 ,
		  konqueror : ((a=ua.split('Konqueror/')[1])?a.split(';')[0]:0)>=3.3 ,
		  mozes     : ((a=ua.split('Gecko/')[1])?a.split(' ')[0]:0) >= 20011128 ,
		  opera     : (!!window.opera) && ((typeof XMLHttpRequest)=='function') ,
		  msie      : (!!window.ActiveXObject)?(!!createHttpRequest()):false 
		}
		return (this.bw.safari||this.bw.konqueror||this.bw.mozes||this.bw.opera||this.bw.msie)
	}

	////
	// XMLHttpRequest«ª«Ö«¸«§«¯«Èßæà÷
	//
	// @sample        oj = createHttpRequest()
	// @return        XMLHttpRequest«ª«Ö«¸«§«¯«È(«¤«ó«¹«¿«ó«¹)
	//
	function createHttpRequest()
	{
		if(window.XMLHttpRequest){
			 //Win Mac Linux m1,f1,o8 Mac s1 Linux k3 & Win e7éÄ
			return new XMLHttpRequest() ;
		} else if(window.ActiveXObject){
			 //Win e4,e5,e6éÄ
			try {
				return new ActiveXObject('Msxml2.XMLHTTP') ;
			} catch (e) {
				try {
					return new ActiveXObject('Microsoft.XMLHTTP') ;
				} catch (e2) {
					return null ;
	 			}
	 		}
		} else  {
			return null ;
		}
	}
	
	////
	// áêáôãá??
	//
	// @sample         sendRequest(onloaded,'&prog=1','POST','./about2.php',true,true)
	// @sample         sendRequest(onloaded,{name:taro,id:123,sel:1},','POST','./about3.php',true,true)
	// @sample         sendRequest({onload:loaded,onbeforsetheader:sethead},'',','POST','./about3.php',true,true)
	// @param {string} callback áôãáãÁªËÑÃÔÑª¹ªë??Ù£ 
	// @param {object} callback áôãáãÁªËÑÃÔÑª¹ªë??Ù£ªÈ«Ø«Ã«Àò¦ïÒ??Ù£{onload:??Ù£,onbeforsetheader:??Ù£} 
	// @param {array}  callback áôãáãÁªËÑÃÔÑª¹ªë??Ù£ªÈ«Ø«Ã«Àò¦ïÒ ary['onload']=??Ù£;ary['onbeforsetheader']=??Ù£ 
	// @see                    http://jsgt.org/ajax/ref/head_test/header/Range/004/sample.htm
	// @param {string} data	   áêãáª¹ªë«Ç?«¿ stringªÎíÞùê(&Ù£îñ1=ö·1&Ù£îñ2=ö·2...)
	// @param {object} data	   áêãáª¹ªë«Ç?«¿ objectªÎíÞùê{Ù£îñ1:ö·1,Ù£îñ2:ö·2,...}
	// @param {array}  data	   áêãáª¹ªë«Ç?«¿ arrayªÎíÞùêªÏÖ§ßÌÛÕÖª ary['Ù£îñ1']=ö·1;ary['Ù£îñ2']=ö·2
	// @param {string}method   'POST' or 'GET'
	// @param {string}url      «ê«¯«¨«¹«Èª¹ªë«Õ«¡«¤«ëªÎURL
	// @param {string}async	   ÞªÔÒÑ¢ªÊªétrue ÔÒÑ¢ªÊªéfalse
	// @param {string}sload	   «¹?«Ñ?«í?«É trueªÇ?ð¤¡¢àýÕÔªÞª¿ªÏfalseªÇ«Ç«Õ«©«ë«È
	// @param {string}user	   ìã?«Ú?«¸éÄ«æ?«¶?Ù£
	// @param {string}password ìã?«Ú?«¸éÄ«Ñ«¹«ï?«É
	//
	sendRequest.README	 = {
		url		: 'http://jsgt.org/ajax/ref/lib/ref.htm',
		name	: 'sendRequest', 
		version	: 0.514, 
		license	: 'Public Domain',
		author	: 'Toshiro Takahashi http://jsgt.org/mt/01/',memo:''
	};
	function sendRequest(callback,data,method,url,async,sload,user,password)
	{
		var GET=method.toUpperCase()=='GET',
		oj = createHttpRequest();
		if( oj == null ) return null;
		
		//?ð¤«í?«ÉªÎàâïÒ
		if((sload)?sload:false)url +=((url.indexOf('?')==-1)?'?':'&')+'t='+(new Date()).getTime();

		//«Ö«é«¦«¶÷÷ïÒ
		var bwoj = new chkAjaBrowser(),
		o  = bwoj.bw.opera,
		s  = bwoj.bw.safari,
		k = bwoj.bw.konqueror,
		m  = bwoj.bw.mozes ;
				
		//callbackªòÝÂú°
		//{onload:xxxx,onbeforsetheader:xxx}
		if(typeof callback=='object'){
			var callback_onload = callback.onload;
			var callback_onbeforsetheader = callback.onbeforsetheader;
		} else {
			var callback_onload = callback;
			var callback_onbeforsetheader = null;
		}

		//áôãá?×â
		//operaªÏonreadystatechangeªËÒýñì«ì«¹«Ð«°ª¬ª¢ªëªÎªÇonloadª¬äÌîï
		//Moz,FireFoxªÏoj.readyState==3ªÇªâáôãáª¹ªëªÎªÇ÷×ßÈªÏonloadª¬äÌîï
		//Win ieªÇªÏonloadªÏÔÑíÂª·ªÊª¤
		//KonquerorªÏonloadª¬ÜôäÌïÒ
		//?ÍÅhttp://jsgt.org/ajax/ref/test/response/responsetext/try1.php
		if(o || s || m){
			oj.onload = function () { callback_onload(oj);oj.abort(); }
		} else {
		
			oj.onreadystatechange =function () 
			{
				if ( oj.readyState == 4 ){
					//alert(oj.status+'--'+oj.getAllResponseHeaders());
					callback_onload(oj);oj.abort();
				}
			}
		}

		//URL«¨«ó«³?«É
		data = uriEncode(data,url);
		if(GET) {
			url += ((url.indexOf('?')==-1)?'?':'')+data;
		}

		//open «á«½«Ã«É
		oj.open(method,url,async,user,password);
		
		
		//«ê«¯«¨«¹«È«Ø«Ã«À«««¹«¿«Þ«¤«ºéÄ«³?«ë«Ð«Ã«¯
		//ÞÅª¦íÞùêªÏ¡¢û¼ªÓõóª·HTMLö°ªÎwindowòÁù»ªØ«°«í?«Ð«ëªÊ??setHeadersªò
		//ÑÀâûª·¡¢ª½ªÎñéªÇsetRequestHeader()ªò«»«Ã«Èª·ªÆª¯ªÀªµª¤
		//@sample function setHeaders(oj){oj.setRequestHeader('Content-Type',contentTypeUrlenc)}
		//
		if(!!callback_onbeforsetheader)callback_onbeforsetheader(oj);

		//«Ç«Õ«©«ë«È«Ø«Ã«Àapplication/x-www-form-urlencoded«»«Ã«È
		setEncHeader(oj);
		
		
		//«Ç«Ð«Ã«¯
		//alert('////jslb_ajaxxx.js//// \n data:'+data+' \n method:'+method+' \n url:'+url+' \n async:'+async);
		
		//send «á«½«Ã«É
		oj.send(data);


		//URI«¨«ó«³?«É«Ø«Ã«À«»«Ã«È
		function setEncHeader(oj){
	
			//«Ø«Ã«Àapplication/x-www-form-urlencoded«»«Ã«È
			// @see  http://www.asahi-net.or.jp/~sd5a-ucd/rec-html401j/interact/forms.html#h-17.13.3
			// @see  #h-17.3
			//   ( enctype ªÎ«Ç«Õ«©«ë«Èö·ªÏ 'application/x-www-form-urlencoded')
			//   h-17.3ªËªèªê¡¢POST/GETÙýªïªºàâïÒ
			//   POSTªÇ'multipart/form-data'ªòò¦ïÒª¹ªëù±é©ª¬ª¢ªëíÞùêªÏ«««¹«¿«Þ«¤«ºª·ªÆª¯ªÀªµª¤¡£
			//
			//  ª³ªÎ«á«½«Ã«Éª¬Win Opera8.0ªÇ«¨«é?ªËªÊªÃª¿ªÎªÇÝÂÐ÷(8.01ªÏOK)
			if(!o||typeof oj.setRequestHeader == 'function'){
				oj.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
			}
			return oj
		}

		//URL«¨«ó«³?«É
		//ìÚ?dataªÏ¡¢stringª«objectªÇÔ¤ª»ªÞª¹
		function uriEncode(data,url){
			var d = [];
			if(typeof data=='object'){
				for(var i in data)p(i,data[i]);
			} else if(typeof data=='string'){
				if(data=='')return '';
				//&ªÈ=ªÇìéÓ©ÝÂú°ª·encode
				if(data.charAt(0)=='&')data=data.substring(1,data.length)
				var datas = data.split('&');
				for(var i=0;i<datas.length;i++)
				{
					var dataq = datas[i].split('=');
					p(dataq[0],dataq[1]);
				}
			} 
			function p(k,v){d.push( encodeURIComponent(k) + "=" + encodeURIComponent(v))};
			return d.join("&");
		}

		return oj
	}



