-action=[^&]+/g, '$1-action=ajax_set_preference');
    								} else {
    									query = '-action=ajax_set_preference';
    								}
    								query = query.replace(/^[?]/, '');
    								var url = DATAFACE_SITE_HREF;
    								//alert(url + " : " + params);
    								postDataReturnText(url, params + '&' + query, function(text){});
									
    							},
							
    							'oncollapse': function(el){
    								return this.setDisplay(el, 'collapsed');
							
    							},
							
    							