/**
 * Jquery Rolling Banner
 * 
 * À̹ÌÁö¸¦ µî·ÏÇϸé ŸÀÌƲ°ú ÇÔ²² ·Ñ¸µµË´Ï´Ù. 
 *
 * @version  1.0
 * @name  jquery banner
 * @author  coder ul 
 * @example  $('#banner_area').banner();
 */
;(function($){
    $.fn.banner = function( options ) {
        var opts = $.extend( {}, $.fn.banner.defaults, options ),
            $this = $(this), iCurrent = 0, iTotal = 0, bPause = false,
   iGo = 1, iTmp = 20, sTitle = '', iImgWidth = 0, oInterval={};
  iTotal = $(".rbanner").size() -1;
  $(".rbanner_info").text($(".rbanner").attr("title")); 
  iImgWidth = $(".rbanner").width();  
  oInterval = setInterval(loop, opts.duration);
  $(".rbanner").each(function(i) { 
   iTmp = ((i - 1)*iImgWidth) - ((iCurrent -1)*iImgWidth);
   $(this).animate({"left": iTmp+"px"}, 500);
  }); 
  /** 
   * ¸ØÃã¹öÆ°
   */
  $(opts.pausePlayButton).click(function(e) {
   e.preventDefault();
   if(bPause){
    change();
    bPause = false;
    $(opts.pausePlayButton).text('Pause').attr('title', '¸ØÃã');
   } else {
    clearInterval(oInterval);
    bPause = true;
    $(opts.pausePlayButton).text('Play').attr('title', '½ÃÀÛ');    
   }
  });
  $(opts.prevButton).click(function(e) {
   e.preventDefault();
   iGo = -1;
   change();   
  });
   
  $(opts.nextButton).click(function(e) {
   e.preventDefault()
   iGo = 1;
   change();   
  });
  function change() {
   clearInterval(oInterval);
   oInterval = setInterval(loop, opts.duration);
   loop();
  }
  
  function loop() {
   if(iGo == 1){
    iCurrent == iTotal ? iCurrent = 0 : iCurrent++;
   } else {
    iCurrent == 0 ? iCurrent = iTotal : iCurrent--;
   }
   $('.rbanner').each(function(i) {
    if(i == iCurrent){
     sTitle = $(this).attr('title');
     $(".rbanner_info").animate({ opacity: 'hide', "left": "-50px"}, 250,function(){
      $(".rbanner_info").text(sTitle).animate({ opacity: 'show', "left": "0px"}, 500);
     });
    }
    iTmp = ((i - 1)*iImgWidth) - ((iCurrent -1)*iImgWidth);
    $(this).animate({"left": iTmp+"px"}, 500);
   });
  }
    };
 /**
  * ±âº» ¼³Á¤
  */
    $.fn.banner.defaults  = {
        'duration' : 2000,
  'interval' : 0,
        'pausePlayButton' : '#btn_pauseplay',        
        'prevButton' : '#btn_prev',
        'nextButton' : '#btn_next'        
    };
})(jQuery);