this.screenshotPreview = function(){   
        /* CONFIG */
               
                xOffset = 10;
                yOffset = 30;
               
                // these 2 variable determine popup's distance from the cursor
                // you might want to adjust to get the right result
               
        /* END CONFIG */
        $("a.screenshot").hover(function(e){
                this.t = this.title;
                this.title = "";       
                var c = (this.t != "") ? "<br/>" + this.t : "";
                $("body").append("<p id='screenshot'><img src='"+ this.rel +"' alt='url preview' />"+ c +"</p>");                                                                
                $("#screenshot")
                        .css("top",(e.pageY - xOffset) + "px")
                        .css("left",(e.pageX + yOffset) + "px")
                        .fadeIn("fast");                                               
    },
        function(){
                this.title = this.t;   
                $("#screenshot").remove();
    }); 
        $("a.screenshot").mousemove(function(e){
                $("#screenshot")
                        .css("top",(e.pageY - xOffset) + "px")
                        .css("left",(e.pageX + yOffset) + "px");
        });                    
};
// starting the script on page load
$(document).ready(function(){
	screenshotPreview();
});