source: extensions/Flash_Gallery/js/screenshot.js @ 24405

/*
 * Url preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */
 
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();
});