var _bc = window.IPBoard;
jsDebug = 1;

_bc.prototype.bc = {
	validClasses: [ 'tree', 'sky', 'desert' ],
	init: function()
	{
		Debug.write( 'init bc' );
		document.observe( 'dom:loaded', function()
		{
			$$( '.backgroundChooser' ).each( function(elem)
			{
				$( elem ).observe( 'click', function(e)
				{
					elem = Event.findElement( e, 'input' );
					newClass = elem.id;

					if ( ipb.bc.validClasses.include( newClass ) )
					{
                                                $( 'sub_header' ).className = "";
                                                $( 'sub_header' ).addClassName( newClass );
                                                $( 'sub_repeat' ).className = "";
                                                $( 'sub_repeat' ).addClassName( newClass );
						
						ipb.Cookie.set( 'background', newClass, 1 );
					}
				});
			});
		});
	}
};

ipb.bc.init();