function zetTip(obj, inp, txt){
	if(navigator.userAgent.indexOf('MSIE') > 1 || navigator.userAgent.indexOf('Firefox') > 1) document.getElementById(obj).style.display = 'inline';
	if (inp.value == txt) inp.value = '';
}

function removeTip(obj, inp, txt){
	document.getElementById(obj).style.display = 'none';
	if (inp.value == '') inp.value = txt;
}