// fce pro checkboxy
function objGet(x) {
   if (typeof x != 'string') return x;
   else if (Boolean(document.getElementById))
      return document.getElementById(x);
   else if (Boolean(document.all))
      return eval('document.all.'+x);
   else if (Boolean(document.ids))
      return eval('document.ids.'+x);
   else
      return null;
}
function check(arg)
{
	if(objGet(arg).checked==false)
	{
	objGet(arg).checked = true;
	}
	else
	{
	objGet(arg).checked = false;
	}
}