/*
 * 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 = -20;
		yOffset = 0;
		
		// 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){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='preview'><img src='"+ this.href +"' alt='Image preview' />"+ c +"</p>");								 
		
		var img = this.getElementsByTagName("img")[0];
		var imInfo = new Image();
		imInfo.src = img.src;
		
		//xOffset = parseInt((imInfo.height+20)*-1);
		yOffset = (parseInt(imInfo.width)*-1);
		//alert(yOffset);
		$("#preview")
			.css("top",(e.pageY - xOffset + "px"))
			.css("left",(e.pageX + yOffset) + "px")

			.fadeIn("fast");						
    },
	function(){
		var img = this.getElementsByTagName("img")[0];
		var imInfo = new Image();
		imInfo.src = img.src;

		//xOffset = parseInt((imInfo.height+20)*-1);
		yOffset = (parseInt(imInfo.width)*-1);
		
		this.title = this.t;
		//alert("Auf wiedersehen");
		$("#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();
});