// JavaScript Document
function showBigImage(image_id){
	
	var nodeList;
	var nodeList2;
	nodeList = $(".big_image");
	nodeList2 = $(".vignette");
	
	//affichage de la bonne grande image
	for (var i = 0; i < nodeList.length ; i++){
		$('img#'+nodeList[i].id).css('display','none');
	}
	$('img#big_image_'+image_id).css('display','block');
	
	//affichage des bonnes vignettes
	for (var i = 0; i < nodeList2.length ; i++){
		$('a#'+nodeList2[i].id).css('display','block');
	}
	$('a#vignette_'+image_id).css('display','none');
}