/*
 * Image 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.imagePreview = function(){	
	/* CONFIG */
		
		xOffset = -17;
		yOffset = -100;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.preview").hover(function(e){
	
		fileName = this.t = $(this).attr("alt");
		this.alt = "";	
		
		var id = this.id;
		id = id.substring(id.length-16,id.length);
		
		url = "/mma/"+fileName+"/"+id+"/min/tsLeadBig/";
		
		$("body").append("<div id='preview'><div id='preview-tree-big'><img src='"+ url +"' /><span>"+ fileName +"</span></div></div>");								 
		
		
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.alt = this.t;			
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};


// starting the script on page load
$(document).ready(function(){
	imagePreview();
});
