jQuery(document).ready(function(){
	jQuery("#submit").click(function(){
		var email = jQuery("#email").val();
		var subject = jQuery("#subject").val();
		var message = jQuery("#message").val();		
        var captcha = jQuery("#security_code").val();
		var error = "";
		
		if(email == "")
		{
			error = "Email should not be null.";
		}
		else if(subject == "")
		{
			error = "Subject should not be null.";
		}
		else if(captcha == "")
		{
			error = "Security code should not be null.";
		}		
		
		if(error == "")
		{			
			jQuery.ajax({type: "POST",cashe:false,url: "contact_ajax.php",data: "email="+email+"&subject="+subject+"&message="+message+"&username="+jQuery("#username").val()+"&security_code="+captcha,
							success: function(err)
							{	
		                        if(err != "1")
								    jQuery("#msg").html(err);
                                else
                                {                    
                                    jQuery("#submit").attr('disabled', 'disabled');
                                    jQuery("#msg").html("Your message has been sent");
                                }   								
		   					},
		   					beforeSend:function()
							{
			     				jQuery("#loading").show();
						 	},
		   					complete:function()
							{
			     				jQuery("#loading").hide();
		   					}
							}); 
		}
        else
        {
            jQuery("#msg").html(error);
        }
	});
});