window.addEvent( 'domready', setupWidget );

function setupWidget()
{
	if ($('searchfield') && $('store-search-form')) {
		$( 'searchfield' ).set( 'value', 'enter suburb or postcode' );
		if ( $( 'searchfield' ) ) {
			$( 'searchfield' ).addEvent( 'focus', function() {
				if ( $( 'searchfield' ).get( 'value' ) == 'enter suburb or postcode' ) {
					$( 'searchfield' ).set( 'value', '' );
				}
			} );
			$( 'searchfield' ).addEvent( 'blur', function() {
				if ( $( 'searchfield' ).get( 'value' ) == '' ) {
					$( 'searchfield' ).set( 'value', 'enter suburb or postcode' );
				}
			} );
		}
		$('store-search-form').addEvent('submit', function() {
			var formFilled = $('searchfield').get('value') != 'enter suburb or postcode';
			if (!formFilled) alert('Please enter a suburb or postcode first.');
			return formFilled;
		});
	}
}