function checkAll(nameInput)
{
	var checks = document.getElementsByName(nameInput);
		
	for (i = 0; i < checks.length; i++)
		checks[i].checked = true ;
}

function uncheckAll(nameInput)
{
	var checks = document.getElementsByName(nameInput);
	for (i = 0; i < checks.length; i++)
		checks[i].checked = false ;
}