function srf_set() {
	// must be an even number of params passed
	if (arguments.length % 2 != 0) return false;
	// set the params values
	var elm;
	for (var i = 0; i < arguments.length; i += 2) {
		elm = document.getElementById("fltr_" + arguments[i]);
		if (elm != null) {
			elm.value = arguments[i + 1];
		}
	}
	return false;
}
function srf_get(sParamName, sDefaultValue) {
	var elm = document.getElementById("fltr_" + sParamName);
	if (elm != null) {
		return elm.value;
		if (elm.value == "") return sDefaultValue;
	} else {
		return sDefaultValue;
	}
}
function srf_reset_fields() {
	var frm = document.getElementById("searchresults_filter");
	if (frm == null) return false;
	for (var i = 0; i < arguments.length; i++) {
		var inpt_col = document.getElementsByName(arguments[i]);
		for (var j = 0; j < inpt_col.length; j++) {
			inpt_col[j].disabled = true;
		}
	}
}
function srf_submit() {
	var frm = document.getElementById("searchresults_filter");
	if (frm == null) return false;
	var inpt_col = frm.getElementsByTagName("input");
	for (var i = 0; i < inpt_col.length; i++) {
		if (inpt_col[i].value == "") {
			inpt_col[i].disabled = true;
		} else {
			//alert(inpt_col[i].value);
		}
	}
	frm.submit();
	return false;
}