var Rules = {

	'#signup-email:click, #signup-zipcode:click, #zipcode-event:click': function(element) {
		if (! element.default_value) {
			element.default_value = element.value;
		}
		if (element.value == element.default_value) {
			element.value = "";
		}
	},

	'#signup-email:blur, #signup-zipcode:blur, #zipcode-event:blur': function(element) {
		if(element.value == "") {
			element.value = element.default_value;
		}
	}

}