// チェックボックス切り替え
function allCheckBoxControl( form, name, checked )
{
	var index;
	for ( index = 0; index < form.elements.length; index++ ) 
	{
		element = form.elements[ index ];
		if ( element.name == name && !element.disabled ) 
		{
			element.checked = checked;
		}
	}
}