// This supports the DisplayLinking subsystem.
function setElementDisplay( id, visible ) {
	var e = document.getElementById( id );
	e.style.display = ( visible ? '' : 'none' );
}
function toggleElementDisplay( id ) {
    var e = document.getElementById( id );
    e.style.display = ( e.style.display != 'none' ? 'none' : '' );
}

function changeCheckBoxColor( control ) {
	if( control.checked ) {
		control.parentNode.parentNode.parentNode.parentNode.parentNode.className='checkedChecklistCheckboxDiv';
	}
	else {
		control.parentNode.parentNode.parentNode.parentNode.parentNode.className='';
	}
}

function getClientUtcOffset(id) {
    var utcOffset = $get(id);
    var timeString = new Date().toUTCString();
    utcOffset.value = timeString;
}