this.screen_tooltip = function(){	
	xOffset = 0; // these 2 variable determine popup's distance from the cursor
	yOffset = 20; // you might want to adjust to get the right result

	$(".screenshot").live('mouseover', 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");						
    });
	
	$(".screenshot_tooltip").live('mouseover', function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='screenshot'><img style='width: 200px; height: 150px;' src='"+ this.rel +"' alt='url preview' />"+ c +"</p>");								 
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    });

	$(".screenshot, .screenshot_tooltip").live('mouseout', function(e){
		this.title = this.t;	
		$("#screenshot").remove();
    });	
	$(".screenshot, .screenshot_tooltip").live('mousemove', function(e){
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});


	$(".tooltip").live('mouseover', function(e){											  
		this.t = this.title;
		this.title = "";									  
		$("body").append("<p id='tooltip'>"+ this.t +"</p>");
		$("#tooltip")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");		
    });
    
	$(".tooltip").live('mouseout', function(e){
		this.title = this.t;		
		$("#tooltip").remove();
    });	
	$(".tooltip").live('mousemove', function(e){
		$("#tooltip")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});
	
   	$(".tooltip_reversed").live('mouseover', function(e){											  
		this.t = this.title;
		this.title = "";									  
		$("body").append("<p id='tooltip'>"+ this.t +"</p>");
		$("#tooltip")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX - 300) + "px")
			.fadeIn("fast");
    });  
	  
	$(".tooltip_reversed").live('mouseout', function(e){
		this.title = this.t;		
		$("#tooltip").remove();
    });	
    
	$(".tooltip_reversed").live('mousemove', function(e){
		$("#tooltip")
			.css("top",(e.pageY + 20) + "px")
			.css("left",(e.pageX - $('#tooltip').width()) + "px");
	});	
		
};