$(document).ready(function(){
        $(document).pngFix();
        $("#email").attr("value",$("#email").attr("placeholder"));
      	$("#email").bind ('focus', function () { invite_focus(); } ).bind ('blur', function () { invite_blur(); } ).bind('keyup', function () { $('#error').html(''); } );
      	$("#form").bind ('submit', function () { invite(); return false; } );
    });



   function trim(str){
     s = str.replace(/^(\s)*/, '');
     s = s.replace(/(\s)*$/, '');
     return s;
   }

	function invite(){
		$("#email").attr("value",trim($("#email").attr("value")));

		if(trim($("#email").attr("value")) != "" && $("#email").attr("value") != $("#email").attr("placeholder")){
			$("#error").html("");
			$(".input form span").css("background-image","url('/images/spinner.gif')")
								 .css("background-position","right")
								 .css("background-repeat","no-repeat");

			$.get("/ajax.php",{
				email: $("#email").attr("value")
				},
				function(data){
					$(".input form span").css("background","none");
						if(data==0){
							$("#error").html("Введите корректный E-mail.");
						}
						if(data==1){
							$(".input").css("background","none");
							$(".input").html("Спасибо. Жди в скором времени инвайта на почте.");
						}
						if(data==2){
							$("#error").html("E-mail уже зарегестрирован.");
						}
				});

		}
	}
	function invite_focus(){
       	if($("#email").attr("value") == $("#email").attr("placeholder")){
	        $("#email").attr("value","").css("color","#000000");
       	}
	}
	function invite_blur(){
		if(trim($("#email").attr("value")) == ""){
	        $("#email").attr("value",$("#email").attr("placeholder")).css("color","#777777");
	        $("#error").html("");
		}
	}