function clearFormField(frm, fld, dft){
	if (document.forms[frm].elements[fld].value == dft)
		{
		document.forms[frm].elements[fld].value = '';
		}
}

function turnOn(id) {
	document.getElementById("alt"+id).className="on";
}

function turnOff(id) {
	document.getElementById("alt"+id).className="off";
}

function openwindow (url) {
       window.open(url,'_blank','toolbar=no,modal=yes,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=720,height=540');
}