// JavaScript Document

	function remove_block(obj) {
		var table = parent_node(obj, 4);
		var fieldset = parent_node(table);
		fieldset.removeChild(table); 
		fix_backgrounds(fieldset);
	}


	function fix_backgrounds(fieldset) {
		var tables = fieldset.getElementsByTagName('TR');
		for (j=0; j < tables.length; j++) {
			if (j % 2 == 0) {
				tables[j].className = 'odd';
			} else {
				tables[j].className = 'even';
			}
		}    
	}