//affichage et aggrendissment de l'image
 function affiche(event,source)
     {	
	 		var source='<img src="gestion/files/homePage/'+source+'"/>';
	 		var object=document.getElementById('deplacement');
			object.innerHTML=source;
			var x=(event.clientX);
			object.style.marginTop='-400px';
			object.style.marginLeft=(x-550)+'px';
			object.style.position='relative';
		
			
	 }
	 function enleve(event)
	 {
		 var object=document.getElementById('deplacement');
		 object.innerHTML='';
		 
	 }