$(document).ready(function(){
    $("#rct_01").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -422px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#rct_02").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -844px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#rct_03").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -1266px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#rct_04").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -1688px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
   $("#ct_01").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -422px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#ct_02").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -844px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#ct_03").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -1266px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
    $("#ct_04").hover(function () {
      $(".corporate_training_inner").css("background-position", "0 -1688px");
    }, function () {
      $(".corporate_training_inner").css("background-position", "0 0");
    });
	
	rotate = function(){	
		$(".promo_choose img").removeClass("active");
		$active.addClass('active');
		//var url = $active.attr("src").replace("_t", ""); edit by FD
		var url = $active.attr("rel");
		var wrap = $(".image_wrap");
		
		var url2 = $active.attr("ind");
		if(url2.length)
			$('#promo_href').attr('href',url2).attr('target','_blank');
		else
			$('#promo_href').attr('href','javascript:void(0)').attr('target','');

		// the large image from www.flickr.com
		var img = new Image();


		// call this function after it's loaded
		img.onload = function() {

			// make wrapper fully visible
			wrap.fadeTo("fast", 1);

			// change the image
			wrap.find("img").attr("src", url);

		};
	img.src = url;


		}; 
	rotateSwitch = function(){		
		play = setInterval(function(){
			$active = $('.promo_choose img.active').next();
			if ( $active.length === 0) {
				$active = $('.promo_choose img:first');
			}
			rotate();
		}, 6000);
	};
	rotateSwitch();


$(".promo_choose img").click(function() {
		$active = $(this);
		clearInterval(play);
		rotate();
		rotateSwitch();
		return false;
// when page loads simulate a "click" on the first image
}).filter(":first").click();



	
 });