text: var animation_step_slide3=0;
  var poucentage_apparition_ville1="-75%";
  var scrollTimer, lastScrollFireTime = 0;
  
  window.onload = function() {
  
  	page = document.getElementById("slide3");
  
  	if (page.addEventListener) {
  		page.addEventListener("mousewheel", MouseWheelHandler, false);
  		page.addEventListener("DOMMouseScroll", MouseWheelHandler, false);
  	}
  	else page.attachEvent("onmousewheel", MouseWheelHandler);
  };
  	
  	function MouseWheelHandler(e) { 	
  
  	var minScrollTime = 200;
      var now = new Date().getTime();
  
  function processSlide3Scroll() {
  
  			var e = window.event || e; // old IE support
  			var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
  
  			console.log(animation_step_slide3);
  
  			switch(animation_step_slide3)
  			{
  				case 0:
  				if (delta==-1) {
  					anim_step1_forward();
  					animation_step_slide3++;
  				}
  				else {
  					$.fn.fullpage.setAllowScrolling(true);
  				}
  				break;
  
  				case 1:
  				if (delta==-1) {
  					anim_step2_forward();
  					animation_step_slide3++;
  				}
  				else {
  	    			anim_step2_backward();
  					animation_step_slide3--;
  				}
  				break;
  
  				case 2: 
  				if (delta==-1) {
  					$.fn.fullpage.setAllowScrolling(true);
  	    			//animation_step_slide3++;
  				}
  				else {
  					
  					anim_step3_backward();
  					animation_step_slide3--;
  				}
  				break;
  
  				case 3: 
  				if (delta==-1) {
  					
  				}
  				else {
  					animation_step_slide3--;
  				}
  				break;
  			}	
  			return false;
  	}
  
  
  	 if (!scrollTimer) {
          if (now - lastScrollFireTime > (3 * minScrollTime)) {
              processSlide3Scroll();   // fire immediately on first scroll
              lastScrollFireTime = now;
          }
          scrollTimer = setTimeout(function() {
              scrollTimer = null;
              lastScrollFireTime = new Date().getTime();
              processSlide3Scroll();
          }, minScrollTime);
      }
  
  }
  
  
  
  function anim_step1_forward () {
      $("#text_slide3_app").removeClass('rezoom');
  	$("#text_slide3_app").addClass('dezoom');
  
  	$("#revenu_median").removeClass('disparition');
      $("#revenu_median").addClass('apparition');
  
  	$("#ville1_slide3").removeClass('de_apparition');
  	$("#ville1_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville1_slide3").style.bottom=poucentage_apparition_ville1;$("#ville1_slide3").removeClass('apparition');});
      $("#ville1_slide3").addClass('apparition');
  };
  
  function anim_step2_forward () {
      $("#text_slide3_disp").removeClass('de_disparition');
  	$("#text_slide3_disp").addClass('disparition');
  
  	$("#ville1_slide3").removeClass('de_disparition');
  	$("#ville1_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville1_slide3").style.bottom="100%";document.querySelector("#ville1_slide3").style.opacity="0";$("#ville1_slide3").removeClass('disparition'); });
      $("#ville1_slide3").addClass('disparition');
  
      $("#ville2_slide3").removeClass('de_apparition');
      $("#ville2_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville2_slide3").style.left="-2%";$("#ville2_slide3").removeClass('apparition');});
      $("#ville2_slide3").addClass('apparition');
  
      $("#donut").removeClass('disparition');
      $("#donut").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#donut").style.right="-5%";$("#donut").removeClass('apparition');});
      $("#donut").addClass('apparition');
  };
  
  
  function anim_step2_backward () {
      $("#text_slide3_app").removeClass('dezoom');
  	$("#text_slide3_app").addClass('rezoom');
  
  	$("#revenu_median").removeClass('apparition');
      $("#revenu_median").addClass('disparition');
  
      $("#ville1_slide3").removeClass('apparition');
      $("#ville1_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville1_slide3").style.bottom="-180%";$("#ville1_slide3").removeClass('de_apparition');});
      $("#ville1_slide3").addClass('de_apparition');
  };
  
  function anim_step3_backward () {
  	$("#text_slide3_disp").removeClass('disparition');
  	$("#text_slide3_disp").addClass('de_disparition');
  
  	document.querySelector("#ville1_slide3").style.opacity="1";
  	$("#ville1_slide3").removeClass('disparition');
  	$("#ville1_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville1_slide3").style.bottom=poucentage_apparition_ville1;$("#ville1_slide3").removeClass('de_disparition');});
      $("#ville1_slide3").addClass('de_disparition');
  
      $("#ville2_slide3").removeClass('apparition');
      $("#ville2_slide3").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#ville2_slide3").style.left="-38%";$("#ville2_slide3").removeClass('de_apparition');});
      $("#ville2_slide3").addClass('de_apparition');
  
      $("#donut").removeClass('apparition');
      $("#donut").one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) {document.querySelector("#donut").style.right="-150%";$("#donut").removeClass('disparition');});
      $("#donut").addClass('disparition');
  }
  
  function reset_anim_slide3() {
  	$("#text_slide3_app").removeClass('dezoom');
  	$("#text_slide3_app").removeClass('rezoom');
  
  	$("#revenu_median").removeClass('disparition');
  	$("#revenu_median").removeClass('apparition');
  
  	$("#text_slide3_disp").removeClass('de_disparition');
  	$("#text_slide3_disp").removeClass('disparition');
  
  	$("#ville1_slide3").removeClass('apparition');
  	$("#ville1_slide3").removeClass('de_apparition');
  
  	$("#ville1_slide3").removeClass('disparition');
  	$("#ville1_slide3").removeClass('de_disparition');
  
  	$("#ville2_slide3").removeClass('apparition');
  	$("#ville2_slide3").removeClass('de_apparition');
  
  	$("#donut").removeClass('apparition');
  	$("#donut").removeClass('disparition');
  
  	document.querySelector("#ville1_slide3").style.bottom="-180%";
  	document.querySelector("#ville1_slide3").style.opacity="1";
  	document.querySelector("#ville2_slide3").style.left="-38%";
  	animation_step_slide3=0;
  }