/*
 * 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 = -50;
		yOffset = 190;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
    
    $("a.preview").click(function(e){ e.preventDefault(); });
    
	$("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>");								 
		$("#preview")
			.css("top",(e.pageY - yOffset) + "px")
			.css("left",(e.pageX + xOffset) + "px")
			.fadeIn("fast");
       
        limit_left(e.pageX + xOffset);            
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - yOffset) + "px")
			.css("left",(e.pageX + xOffset) + "px");
        limit_left(e.pageX + xOffset);  
	});			
};

function limit_left(left)
{
    var left_preview = $('#preview').offset().left + $('#preview').width();
    var left_cont = $('.block_content').offset().left + $('.block_content').width();
    var diff_left = left_preview - left_cont + 10; 
    if(left_preview > left_cont) { $("#preview").css("left",(left - (diff_left) ) + "px"); }
}

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