// by Nannette Thacker
// http://www.shiningstar.net
function checkAll(field)
{
field.checked = true ;
//for (i = 0; i < field.length; i++)
//	field.checked = true ;
}

function uncheckAll(field)
{
for (i = 0; i < field.length; i++)
	field[i].checked = false ;
}