//---------------------------
// Ajax Contact Form
//---------------------------	

if($("#contactForm").length){

	$("#contactForm").submit(function(){
	    
	    var ContactForm = $(this),
	    	errors = 0,
	        loader = $("#loader"),
	        result = $("#result");
	        
	    loader.fadeIn();
	    result.find(".fail, .success").hide();
	    
	    ContactForm.find(".required").each(function(){
	        var id = $(this).attr("id");
	        if($(this).hasClass("email")){
	            errors += $(this).validateEmail();
	        }
	        if($(this).attr("id") == "captcha"){
	            errors += $(this).validateCaptcha();
	        }
	        else{
	            //Must contain at least 3 characters
	            errors += $(this).validateLength(3);
	        }
	    });
	    
	    //If there are no errors, send the email
	    if(errors === 0){
	        var data = ContactForm.serialize(),
			jQuery.ajax({
				type: 'post',
				url: 'form-process.php',
				data: data,
				success: function(results) {
					loader.fadeOut(function() {
						if(/email sent/.test(results)) {
							result.find(".success").fadeIn();
							ContactForm.find(".form").each(function(){
							    $(this).val( $(this).attr("placeholder") );
	                        });
						} else {
							result.find(".fail").fadeIn();
						}
					});
				},
				error: function() {
					result.find(".fail").fadeIn();
				}
			});
	    }else{
	    	// else, nudge the incorrect fields
	    	ContactForm.find(".notRight").each(function(){
	    		$(this).nudge();
	    	});
	    }
	    loader.fadeOut();     
        return false;    
    });

    //Content length validation
    $.fn.validateLength = function(l){
        if( this.val().length < l ) {
        	this.addClass("notRight");
        	return 1;
        } else {
            this.removeClass('error');
            return 0;
        }
    };

	//email validation
	$.fn.validateEmail = function(){
		var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;
		if(filter.test(this.val())){
			this.removeClass("error");
			return 0;
		}else{
			this.addClass("notRight");
			return 1;
		}
	}
	
    // Captcha validation
    $.fn.validateCaptcha = function(){
    	var field1 = parseInt($("#captchaField1").text()),
    		operator = ( $("#captchaField2").text() == "+" ) ? true : false;
    		field3 = parseInt($("#captchaField3").text()),
    		correct = operator ? field1+field3 : field1-field3;   
        if(this.val() != correct) {
        	this.addClass("notRight");
        	return 1;
        } else {
            this.removeClass('error');
            return 0;
        }
    };
	
    // Nudge effect
	$.fn.nudge = function(){
		$(this).animate({
			'right' : -4
		}, 80, function(){
			$(this).animate({
				'right' : 4
			}, 80, function(){
				$(this).animate({
					'right' : -4
				}, 80, function(){
					$(this).animate({
						'right' : 4
					}, 80, function(){
						$(this).animate({
							'right' : -4
						}, 80, function(){
							$(this).animate({
								'right' : 0
							}, 80, function(){
								$(this).delay(80).removeClass('notRight').addClass("error");
							});
						});
					});
				});
			});
		});
	}//end nudge effect
	
}