this.screenshotPreview = function(){	
	/* CONFIG */
		xOffset = 150;
		yOffset = 10;
		// 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){
		$("body").append("<p id='screenshot'><img src='"+ this.rel +"' alt='url preview' /></p>");								 
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
	},
	function(){
		$("#screenshot").remove();
	});	
	$("a.screenshot").mousemove(function(e){
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};