function loadCriterion ( objCriterion ) {
		index = objCriterion.selectedIndex;
		if ( !index ) return;
		url = objCriterion.options[index].value;
		location = base_url + url;
	}

	function selectCurrentCriterionValue() {

		objCriterion = document.getElementsByName(curent_criterion)[0];
		for (i='1'; i<objCriterion.options.length; i++){
			if ( objCriterion.options[i].value == curent_criterion_value ) {
				objCriterion.options[i].selected = true;
				return;
			}
		}

	}