// Rollover for submit button on login page
function rollSubmit() {
	if($('signup_submit')) {
		$('signup_submit').observe('mouseover', function() {
			$('signup_submit').src = 'images/signup-submit-rol.jpg';
		});
		$('signup_submit').observe('mouseout', function() {
			$('signup_submit').src = 'images/signup-submit.jpg';
		});
	}
}
document.observe('dom:loaded', rollSubmit);

// Rollovers for DP navigation bar
function navRoll() {
	$$('.topLevel').each(function(elm) {
		elm.observe('mouseover', function() {
			elm.addClassName('hover');
		});
		elm.observe('mouseout', function() {
			elm.removeClassName('hover');
		});
	});
}
document.observe('dom:loaded', navRoll);

// Functions used on the offers page
function sendSMS() {
	if ($('sms_form').visible()) {
		$('sms_form').hide();
	} else {
		$('email_form').hide();
		$('sms_form').show();
	}
}

function sendEmail() {
	if ($('email_form').visible()) {
		$('email_form').hide();
	} else {
		$('sms_form').hide();
		$('email_form').show();
	}
}

function setField(elm, phrase) {
	if(elm.value == phrase) {
		elm.value = '';
		elm.style.color = '#000';
	} else if(elm.value == '') {
		elm.value = phrase;
		elm.style.color = '#999';
	}
}