function clearField(obj, defaulttext) {
	var o = document.getElementById(obj);
	if( o.value == defaulttext ) o.value='';
}

function resetField(obj, defaulttext) {
	var o = document.getElementById(obj);
	if( o.value == '' ) o.value = defaulttext;
}

function submitEnter(commandId,e){
	var keycode;
	if (window.event) 
		keycode = window.event.keyCode;
	else if (e) 
		keycode = e.which;
	else 
		return true;
	if (keycode == 13) {
		document.getElementById(commandId).click();
		return false;
	} else
		return true;
}