// select an option in a select element using a value rather than an index

function formSelectOption(selectObj, selectedValue) {
	for (var i = 0; i < selectObj.options.length; i++) {
		if (selectObj.options[i].value == selectedValue) {
			selectObj.selectedIndex = i;
			break;
		}
	}
}



// clear all options from a select element

function formClearAllOptions(selectObj) {
	if (selectObj != null && selectObj.options != null) {
		var optionsLength = selectObj.options.length
		for (var i = 0; i < optionsLength; i++) {
			selectObj.options[0] = null;
		}
	}
}