/**
	 * @comment  : Ajax (Asynchronous JavaScript and XML)
	 * @function : XRequest
	 * @param    : url, parameters, conteiner, load_bar_name
	 * @return   : void
	 */
	var http_request = false;
	var load_bar_name;
	var conteiner;
	function XRequest(url, parameters, _conteiner, _load_bar_name) {
	  http_request = false;
	  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	     http_request = new XMLHttpRequest();
	     if (http_request.overrideMimeType) {
	        http_request.overrideMimeType('text/xml');
	     }
	  } else if (window.ActiveXObject) { // IE
	     try {
	        http_request = new ActiveXObject("Msxml2.XMLHTTP");
	     } catch (e) {
	        try {
	           http_request = new ActiveXObject("Microsoft.XMLHTTP");
	        } catch (e) {}
	     }
	  }
		
	  if (!http_request){
	     alert("XMLHTTP nesnesi oluşturulamadı");
	     return false;
	  }
	  
		conteiner 		= _conteiner;
		load_bar_name = _load_bar_name;
	  
	  document.getElementById(load_bar_name).style.display = 'inline';
	  
	  http_request.onreadystatechange = alertContents;
	  http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=utf-8");
    //http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=iso-8859-9");
	  http_request.setRequestHeader("Content-length", parameters.length);
	  http_request.setRequestHeader("Connection", "close");
	  http_request.send(parameters);
	}
	//function(XRequest):END
	
	
	
	
	
	/**
	 * @comment  : Ajax nesnesi calismasi sirasinda ve sonucunda olusan durum tahtasidir.
	 * @function : alertContents
	 * @param    : -
	 * @return   : void
	 */
	function alertContents(){
		if (http_request.readyState == 4){
			if (http_request.status == 200){
				document.getElementById(load_bar_name).style.display = 'none';
			  result = http_request.responseText;				
			  document.getElementById(conteiner).innerHTML = result;
			} 
			else{
				document.getElementById(load_bar_name).style.display = 'none';
			  alert('Bağlantı ile ilgili bir sorun oluştu.\nLütfen tekrar deneyin.');
			}
		}
	}
	//function(http_request):END