$(document).ready(function(){
						   
	$("#signup-email").focus(function() { if( $(this).val() == "email" ) $(this).val("") });
	$("#signup-email").blur(function() { if( $(this).val() == "" ) $(this).val("email") });
	
	$("#signup-zip").focus(function() { if( $(this).val() == "zip code" ) $(this).val("") });
	$("#signup-zip").blur(function() { if( $(this).val() == "" ) $(this).val("zip code") })
	
	$("#signup-form").submit(function(){					   				   
		$(".error").hide();
		var hasError = false;
		var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
		
		var emailVal = $("#signup-email").val();
		
		// validate email
		if(emailVal == '') {
			$("#signup-email").before('<p class="error">Please enter an email address.</p>');
			hasError = true;
		} else if(!emailReg.test(emailVal)) {	
			$("#signup-email").before('<p class="error">Please enter a valid email address.</p>');
			hasError = true;
		}
		
		var zipVal = $("#signup-zip").val();		
		
		if(hasError == false) {
			$('#signup-submit').after('<img id="signup-loader" src="images/signup-loader.gif" alt="" />');
			
			$.post("/index.php",
   				{ email: emailVal, zip: zipVal },
   					function(data){
						$('div#signup-box form').slideUp('normal', function() {
							$('div#signup-box form').after('<p style="display: none;" class="success">Thank you.</p>');		
							$('.success').slideDown();
						});
   					}
				 );
		}
		
		return false;
	});

});