function twdCount(field,cntfield,maxlimit) {
if (field.value.length > maxlimit)
field.value = field.value.substring(0, maxlimit);
else
cntfield.value = maxlimit - field.value.length;
}

function show_hide( show, hide ){

	document.getElementById(hide).style.display='none';
	document.getElementById(show).style.display='block';	
	return false;
}