function tab( val ) {
	show_default();
	if ( val=='1' ) {
		document.getElementById( 'tab_1' ).className='selected';
		document.getElementById( 'tab_2' ).className='unselected';
		document.getElementById( 'routeplan_1' ).className='show';
		document.getElementById( 'routeplan_2' ).className='hide';
		document.getElementById( 'tabs_address' ).className='show';
		document.getElementById( 'tabs_route' ).className='hide';
		
	} else {
		document.getElementById( 'tab_1' ).className='unselected';
		document.getElementById( 'tab_2' ).className='selected';
		document.getElementById( 'routeplan_1' ).className='hide';
		document.getElementById( 'routeplan_2' ).className='show';
		document.getElementById( 'tabs_address' ).className='hide';
		document.getElementById( 'tabs_route' ).className='show';
	}
}

function show_default() {
	var rp = document.getElementById( 'route_printable' )
	if ( rp ) {
		rp.className = 'hide';
	}
	document.getElementById( 'googlemaps' ).className = 'show';
	var r = document.getElementById( 'right' );
	if ( r.className=='hide' ) {
		r.className = '';
	}
}

function hover( mouseover, e ) {
	if ( mouseover ) {
		e.className = '';
	} else {
		e.className = 'transparent';
	}
}

function toggle_route_printable() {
	if ( document.getElementById( 'route_printable' ).className == 'hide' ) {
		document.getElementById( 'route_printable' ).className = 'show';
		document.getElementById( 'googlemaps' ).className = 'hide';
		document.getElementById( 'right' ).className = 'hide';
	} else {
		show_default();
	}
}

function trim( a ) {
	a = a.replace(/^\s+/, '');
	return a.replace(/\s+$/, '');
};

function help( e, enter ) {
	var HELP = 'Indtast adresse. Fx. Vej, postnummer, by'; 
	if ( enter ) {
		if ( e.value==HELP ) {
			e.value = '';
			e.className = 'query';
		}
	} else {
		if ( trim( e.value ).length==0 ) {
			e.value = HELP;
			e.className = 'query-empty';
		}
	}
}

function toggle_desc( id ) {
	if ( document.getElementById( id ).className=='show' ) {
		document.getElementById( id ).className = 'hide';
	} else {
		document.getElementById( id ).className = 'show';
	}
}