(function($){ 
	
 $.fn.spamless = function(options) {  
      	
		var defaults = {  
					  maxTime: 2000,
					  spf: function() {}
					  };  
					  
  		var options = $.extend(defaults, options); 

		 var Robot = function() {
			this.startTime;
			this.endTime;
			this.first = false;
		 }
		 var f=true;
		 Robot.prototype = {
			 getTimer : function() {
				var d = new Date();
				var n = d.getTime();
				return n;
			 },
			 startTimer : function() {
				if(this.first == false){
				this.first = true;
				this.startTime = this.getTimer();
				}
				
				
			 },
			 endTimer : function(e) {
				this.endTime = this.getTimer();
				if(this.startTime > this.endTime - options.maxTime){
					e.preventDefault();
					if(f==true){
					f=false;
					options.spf.call(this);
					}
					return false;
				}
				
			 }
		 }
		
		var identity;	
		function checkFi(obj){
			if($(":input[name=" + identity+"]").val() != "type your email"){
				obj.preventDefault();
				if(f==true){
					f=false;
					options.spf.call(this);
				}
			}
		}
		
	  
       return this.each(function() {  
			var robot = new Robot();
			identity = String(robot.getTimer());
			
			after_this = $(this).find('input:first-child');
			var nofield = $("<div>").insertAfter(after_this);

			//var nofield = $("<div>").insertAfter(this + ':input:first-child');
			nofield.css({"display":"none"});
			nofield.html('<input class="' + identity + '" name="' + identity + '" value="type your email">');
			
			$(this).find('input').each(function( index ) {
				$(this).bind("mousedown", function (e){
					robot.startTimer();
					//removeBind();
				})
			});
			
			$(this).bind("submit", function(e) {
				robot.endTimer(e);
				checkFi(e);
            });
			
        });

     };  
	 
})(jQuery);