function showObj( object_id ) {
	target_object = document.getElementById( object_id );
	
	if( target_object.style.display == 'none' ){
		
		switch( target_object.tagName ){
			case 'TABLE':
				try{
					target_object.style.display = 'table';
				} catch( e ){
					target_object.style.display = 'block';
				}
				break;
			
			case 'TR':
				try{
					target_object.style.display = 'table-row';
				} catch( e ) {
					target_object.style.display = 'block';
				}
				break;
			
			case 'TD':
				try{
					target_object.style.display = 'table-cell';
				} catch( e ) {
					target_object.style.display = 'block';
				}
				break;
			
			default:
				target_object.style.display = 'block';
				break;
		}
		
	} else {
		target_object.style.display = 'none';
	}
	
}