function checkNum()
{
    if ((33 <= event.keyCode && event.keyCode <= 47) || (58 <= event.keyCode && event.keyCode <= 65417)) {
        event.returnValue = false;
    }
}

function Win_open(t, w, h)
{
	w += 40;
	h += 30;

	x = (screen.width - w) / 3;
	y = (screen.height - h) / 3;

	window.open('',t,'width='+w+',height='+h+',location=no,status=no,scrollbars=yes,menubar=no,resizable=yes,toolbar=no,left='+x+',top='+y);
}

function jumpMenu(objForm, val)
{
	objForm.action = val;

	objForm.submit();
}