function DivShowHide(DivID){
		
		myDiv = document.getElementById(DivID);
		myIcon = document.getElementById('arrow'+DivID);

		// Si ce n'est pas un dossier désactivé (car vide)
		if (myDiv) {

			if ( (myDiv.style.visibility == 'visible') || (myDiv.style.visibility == '') ) {
				myDiv.style.visibility = 'hidden';
				myDiv.style.display = 'none';
				myIcon.src='images/arrow_up.jpg';
				//when closed

				
			} else {
				myDiv.style.visibility = 'visible';
				myDiv.style.display = 'block';
				myIcon.src='images/arrow_down.jpg';
				//when open
			}
		
		}
	
	}


<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array.

theImages[0] = 'images/Banner2b.jpg'
theImages[1] = 'images/Banner3b.jpg'
theImages[2] = 'images/Banner14b.jpg'
theImages[3] = 'images/Banner4b.jpg'
theImages[4] = 'images/Banner5b.jpg'
theImages[5] = 'images/Banner6b.jpg'
theImages[6] = 'images/Banner7b.jpg'
theImages[7] = 'images/Banner8b.jpg'
theImages[8] = 'images/Banner9b.jpg'
theImages[9] = 'images/Banner10b.jpg'
theImages[10] = 'images/Banner11b.jpg'
theImages[11] = 'images/Banner12b.jpg'
theImages[12] = 'images/Banner13b.jpg'



// do not edit anything below this line

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img style="border:none;" src="'+theImages[whichImage]+'">');
}

//  End -->