(function( $ ){
	$.fn.captcha = function(options){
	var defaults = {  
	   borderColor: "",  
	   captchaDir: "captcha",  
	   url: "captcha3/captcha/captcha.php",  
	   formId: "myForm",  
	   text: "Потвърди че си човек, <br />издърпай <span>книгата</span> в кръга.",
	   items: Array("star", "bag", "wade", "umbrella", "surf"),
	   itemname: Array("морска звезда", "раница", "джапанки", "чадър", "сърф") 
	  };	
	
	var options = $.extend(defaults, options); 
	
	$(this).html("<div id='ajax-fc-content'><div id='ajax-fc-left'><p id='ajax-fc-task'>" + options.text + "</p><ul id='ajax-fc-task'><li class='ajax-fc-0'><img src='./captcha3/" + options.captchaDir + "/imgs/item-none.png' alt='' width='52' height='53' /></li><li class='ajax-fc-1'><img src='./captcha3/" + options.captchaDir + "/imgs/item-none.png' alt='' width='52' height='53' /></li><li class='ajax-fc-2'><img src='./captcha3/" + options.captchaDir + "/imgs/item-none.png' alt='' width='52' height='53' /></li><li class='ajax-fc-3'><img src='./captcha3/" + options.captchaDir + "/imgs/item-none.png' alt='' width='52' height='53' /></li><li class='ajax-fc-4'><img src='./captcha3/" + options.captchaDir + "/imgs/item-none.png' alt='' width='52' height='53' /></li></ul></div><div id='ajax-fc-right'><p id='ajax-fc-circle'></p></div></div><div id='ajax-fc-corner-spacer'></div>");
	
	var rand = $.ajax({ url: options.url,async: false }).responseText;
	var pic = randomNumber();
	$(".ajax-fc-" + rand).html( "<div class=\"truth\" style=\"background: transparent url(./captcha3/" + options.captchaDir +"/imgs/item-" + options.items[pic] + ".png) top left no-repeat\;\"></div>");
	$("p#ajax-fc-task span").html(options.itemname[pic]);
	$(".ajax-fc-" + rand).addClass('ajax-fc-highlighted');
	$(".ajax-fc-" + rand).draggable({ containment: '#ajax-fc-content' });
	var used = Array();
	for(var i=0;i<5;i++){
		if(i != rand && i != pic)	
		{
			$(".ajax-fc-" +i).html( "<img src=\"./captcha3/" + options.captchaDir +"/imgs/item-" + options.items[i] + ".png\" alt=\"\" />");
			used[i] = options.itemname[i];
		}
	}
	$(".ajax-fc-container, .ajax-fc-rtop *, .ajax-fc-rbottom *").css("background-color", options.borderColor);
	$("#ajax-fc-circle").droppable({
		drop: function(event, ui) {
			$(".ajax-fc-" + rand).draggable("disable");
			$("#" + options.formId).append("<input type=\"hidden\" style=\"display: none;\" name=\"captcha\" value=\"" + rand + "\">");

			$("#" + options.formId).submit();
		},
		tolerance: 'touch'
	});	
	};
	
})( jQuery );

function randomNumber() {
	var chars = "01234";
	chars += ".";
	var size = 1;
	var i = 1;
	var ret = "";
		while ( i <= size ) {
			$max = chars.length-1;
			$num = Math.floor(Math.random()*$max);
			$temp = chars.substr($num, 1);
			ret += $temp;
			i++;
		}
	return ret;
}