function Numeric_onBlur(obj, decimal_length) {
	if (CustomValidator(obj.id, IsNumeric, "Please enter numeric value.")) {
    if (obj.value != "") obj.value = (obj.value - 0).toFixed(decimal_length);
	}
	else {
		setFocus(obj.id);
	}
}
function Date_OnChange(obj) {
	if (obj.value == "")
		findObj(obj.id.substring(1)).value = "";
}
function TextAreaLimit(control, max_length) {
	// if (control.value.length > max_length + 1)
		// alert("Your input has been truncated!");
	if (control.value.length > max_length)
		control.value = control.value.substring(0, max_length);
	if (findObj(control.id + "Span")) {
		findObj(control.id + "Span").innerHTML = control.value.length + " characters";
	}
} 
function MoveListItem(controlID, to) {
	var list = findObj(controlID);
	var index = list.selectedIndex;
	var total = list.options.length - 1;
	if (index == -1) {
		alert("Please select an item first.");
		list.focus();
		return false;
	}
	if (to == +1 && index == total) return false;
	if (to == -1 && index == 0) return false;
	
	var texts = new Array;
	var values = new Array;
	texts[0] = list.options[index].text;
	texts[1] = list.options[index + to].text;
	values[0] = list.options[index].value;
	values[1] = list.options[index + to].value;
	
	list.options[index + to] = new Option(texts[0],values[0], 0, 1);
	list.options[index] = new Option(texts[1], values[1]);

	list.focus();
}