this.imagePreview = function(){	
	/* CONFIG */
		
		xOffset = 270;
		yOffset = -150;
		
	/* END CONFIG */
	$("a.asitepic").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "" + this.t : "";
		$("body").append("<div id=\"tooltip_img\"><img src=\""+ this.href.replace("big","mid") +"\" alt=\"Prévisualisation de l'image\" /><span>"+ c +"</span></div>");								 
		$("#tooltip_img")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#tooltip_img").remove();
    });	
	$("a.asitepic").mousemove(function(e){
		$("#tooltip_img")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};