document.observe('dom:loaded', function(){
  $$('#listesproduits a[rel]').each(function(element){
  	
	// Vide le title à la volée
	element.title="";
  	
    new Tip(
			element,
			element.rel,
			{  
				className: 'tooltip',  // or your own class
				closeButton: false,     // or true
				duration: 0.3,         // duration of the effect, if used
				delay: 0.1,             // seconds before tooltip appears
				effect: 'appear',         // false, 'appear' or 'blind'
				fixed: false,          // follow the mouse if false
				hideAfter: false,      // hides after seconds of inactivity, not hovering the element or the tooltip
				hideOn: 'mouseout',     // any other event, false or:
									   //{ element: 'element|target|tip|closeButton|.close',
									   //event: 'click|mouseover|mousemove' }
				hook: false,           // { target: 'topLeft|topRight|bottomLeft|bottomRight|
											  //topMiddle|bottomMiddle|leftMiddle|rightMiddle',
											//tip: 'topLeft|topRight|bottomLeft|bottomRight|
												  //topMiddle|bottomMiddle|leftMiddle|rightMiddle' }
				offset: {x:45, y:20},   // or your own, example: {x:30, y:200}
				showOn: 'mousemove',   // or any other event
				//target: 'anotherId',   // make the tooltip appear on another element
				title: false,          // or a string, example: 'tip title'
				viewport: true         // keep within viewport, false when fixed or hooked
			  }
			);
  });
});