//==============================================================================
//  SYSTEM      :  íÕïÒ÷ú«¯«í«¹«Ö«é«¦«¶Ajaxéī髤«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      :  v0.50  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¿¡£
//                       Public Domain îÊíÂ?øúãÆëùÙâÙíª·¡£ßÂéÄ××éÄ¡¢ËÇðã¡¢í»ë¦¡£Ö§Õ©Üô驪Ǫ¹¡£
//  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·áóïᣨunknownªÊªÎªË¡¢ÔÑíªϪ·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
//                                encodeURIComponentªÇèÇî﫨«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×Üà   : http://jsgt.org/mt/archives/01/000409.html 
// îÊíÂ?øúãÆëùÙâÙíª·¡£ßÂéÄ××éÄ¡¢ËÇðã¡¢í»ë¦¡£Ö§Õ©Üôé©¡£
//
//

	////
	// ÔÑíÂʦÒöªÊ«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¬ÔÑíÂʦÒöªÊ«Ö«é«¦«¶ªÀª±true  true|false
	//
	//  Enable list (v038úÞî¤)
	//   WinIE 5.5+ 
	//   Konqueror 3.3+
	//   AppleWebKitͧ(Safari,OmniWeb,Shiira) 124+ 
	//   Mozillaͧ(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]: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 áôãáãÁªËÑÃÔѪ¹ªë??Ù£ 
	// @param {object} callback áôãáãÁªËÑÃÔѪ¹ªë??Ù£ªÈ«Ø«Ã«Àò¦ïÒ??Ù£{onload:??Ù£,onbeforsetheader:??Ù£} 
	// @param {array}  callback áôãáãÁªËÑÃÔѪ¹ªë??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	   áêã᪹ªë«Ç?«¿ stringªÎíÞùê(&Ù£îñ1=ö·1&Ù£îñ2=ö·2...)
	// @param {object} data	   áêã᪹ªë«Ç?«¿ objectªÎíÞùê{Ù£îñ1:ö·1,Ù£îñ2:ö·2,...}
	// @param {array}  data	   áêã᪹ªë«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?𤡢àýÕÔªÞª¿ªÏfalseªÇ«Ç«Õ«©«ë«È
	// @param {string}user	   ìã?«Ú?«¸éÄ«æ?«¶?Ù£
	// @param {string}password ìã?«Ú?«¸éÄ«Ñ«¹«ï?«É
	//
	function sendRequest(callback,data,method,url,async,sload,user,password) {
		sendRequest.prototype.README	 = {
			url		: "http://jsgt.org/mt/archives/01/000409.html",
			name	: "sendRequest", 
			version	: 0.50, 
			license	: "Public Domain",
			author	: "Toshiro Takahashi http://jsgt.org/mt/01/",memo:""}

		var oj = createHttpRequest();
		if( oj == null ) return null;
		
		var sload = (!!sendRequest.arguments[5])?sload:false;
		if(sload || method.toUpperCase() == 'GET')url += "?";
		if(sload)url=url+"t="+(new Date()).getTime();
		
		var bwoj = new chkAjaBrowser();
		var opera	  = bwoj.bw.opera;
		var safari	  = bwoj.bw.safari;
		var konqueror = bwoj.bw.konqueror;
		var mozes	  = 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==3ªÇªâáôã᪹ªëªÎªÇ÷×ßȪÏonloadª¬äÌîï
		//Win ieªÇªÏonloadªÏÔÑíª·ªÊª¤
		//KonquerorªÏonloadª¬ÜôäÌïÒ
		//?ÍÅhttp://jsgt.org/ajax/ref/test/response/responsetext/try1.php
		if(opera || safari || mozes)
		{
			oj.onload = function () { callback_onload(oj); }
		} 
		else 
		{
			oj.onreadystatechange =function () 
			{
				if ( oj.readyState == 4 ){ callback_onload(oj); }
			}
		}

		//URL«¨«ó«³?«É
//		data = uriEncode(data,url)
		if(method.toUpperCase() == 'GET') { url += 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«¯
		//ÞŪ¦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)
			var contentTypeUrlenc = 'application/x-www-form-urlencoded; charset=UTF-8';
//			var contentTypeUrlenc = 'application/x-www-form-urlencoded; charset=euc-kr';
			if(!window.opera){
				oj.setRequestHeader('Content-Type',contentTypeUrlenc);
			} else {
				if((typeof oj.setRequestHeader) == 'function')
					oj.setRequestHeader('Content-Type',contentTypeUrlenc);
			}	
			return oj
		}

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

	}