function uncheckAll(field)
// Sets all checkboxes in a form to be unchecked
// Just pass the function the name of the field that needs setting
// e.g. onClick="uncheckAll(document.form.checkboxName);"
{
if (typeof(field.length) == "undefined")
{
field.checked = false ;
}
for (i = 0; i < field.length; i++)
field[i].checked = false ;
}
How to set all checkboxes on a from to be unchecked