function clearText(thefield){
    if (thefield.defaultValue == thefield.value){
	thefield.value = "";
    }
}

function limitText(limitField, limitCount, limitNum) {
    if (limitField.value.length > limitNum) {
	limitField.value = limitField.value.substring(0, limitNum);
    } else {
	limitCount.value = limitNum - limitField.value.length;
    }
}