var DOM=(typeof (document.getElementById) != undefined)
function CheckAll(c,a)
{
	if (DOM)
	{
		var e = c.form.elements;
		for (var d = 1, b=e.length; d < b; d++)
		{
			if (e[d].name == a)
			{
				e[d].checked = c.checked;
			}
		}
	}
}

function DelCheck(obj,id)
{
	if (!obj.checked)
		document.getElementById(id).checked = false;
}