/*
 * 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 = 15;
		yOffset = 350;
		toggleOffset = 'left';
		// 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 tooltipWidth = $("#preview").outerWidth();
		var docWidth = $(window).width();
		var myOffset;

		var parentOffset = ($(this).offset());
		if (parentOffset.left + $(this).outerWidth() > (docWidth / 2)) {
			toggleOffset = 'left';
			myOffset = e.pageX - tooltipWidth - xOffset;
		} else {
			toggleOffset = 'right';
			myOffset = e.pageX + xOffset;
		}
		$("#preview")
			.css("top",(e.pageY - yOffset) + "px")
			.css("left",(myOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		var tooltipWidth = $("#preview").outerWidth();
		var docWidth = $(window).width();
		var myOffset;
		
		if (toggleOffset == 'left') {
			myOffset = e.pageX - tooltipWidth - xOffset;
		} else {
			myOffset = e.pageX + xOffset;
		}
		$("#preview")
			.css("top",(e.pageY - yOffset) + "px")
			.css("left",(myOffset) + "px");
	});
	
};


// starting the script on page load
$(document).ready(function(){
	imagePreview();
});