var sliderMaxLenght = 520;
var sliderMinLenght = 0;
var sliderIntervalId = 0;
var sliderWidth = -1;
var sliding = false;
var slideSpeed = 20;
var slider;
var barreBouton;
var langue;

function Slide(langue_choisi)
{
	
	langue = langue_choisi;
	
	if(sliderWidth == -1)
	{
		sliderWidth = parseInt(document.getElementById('exampleSlider').style.width.split("px")[0]);
	}
	
	if(sliding)
	return;
   
	sliding = true;
   
	if(sliderWidth == sliderMaxLenght)
	{
		sliderIntervalId = setInterval('SlideCollapse()', 30);
	}
	else
	{
	   sliderIntervalId = setInterval('SlideExpend()', 30);
	}
   
	
}

function SlideCollapse()
{
   slider = document.getElementById('exampleSlider');
   barreBouton = document.getElementById('barreBouton');
   
   
   if(sliderWidth <= sliderMinLenght)
   {
      sliding = false;
      sliderWidth = sliderMinLenght;
      slider.style.width = sliderMinLenght + 'px';
      barreBouton.style.left = sliderMinLenght + 'px';
      
      clearInterval(sliderIntervalId);
      
      if(langue == 'anglais')
      {

          barreBouton.style.backgroundImage = "url('./images/quoideneufdroitEN.jpg')";
      }
      else
      {

          barreBouton.style.backgroundImage = "url('./images/quoideneufdroit.jpg')";
      }
   }
   else
   {
	   sliderWidth -= slideSpeed;
      if(sliderWidth < sliderMinLenght)
    	  sliderWidth = sliderMinLenght;
      slider.style.width = sliderWidth + 'px';

      barreBouton.style.left = sliderWidth + 'px';
   }
   
   
  
}

function SlideExpend()
{
	
   slider = document.getElementById('exampleSlider');
   
   barreBouton = document.getElementById('barreBouton');
	   
   if(sliderWidth >= sliderMaxLenght)
   {
      sliding = false;
      sliderWidth = sliderMaxLenght;
      
      slider.style.width = sliderMaxLenght + 'px';
      barreBouton.style.left = sliderMaxLenght + 'px';
      
      clearInterval(sliderIntervalId);
      
      if(langue == 'anglais')
      {
    	  barreBouton.style.backgroundImage = "url('./images/quoideneufgaucheEN.jpg')";
      }
      else
      {
    	  barreBouton.style.backgroundImage = "url('./images/quoideneufgauche.jpg')";
      }
   
  
   }
   else
   {
	   
	   sliderWidth += slideSpeed;
	   
	   if(sliderWidth > sliderMaxLenght)
    	  sliderWidth = sliderMaxLenght;
      
      slider.style.width = sliderWidth + 'px';
      barreBouton.style.left = sliderWidth + 'px';
   }
}