bName = navigator.appName;
var coll = "";
var styleObj= "";
var dhtml = 0;
var br ="";

bVer = parseInt(navigator.appVersion);
if (bName == "Netscape" && bVer >= 4) 
  {br ="n4";
   dhtml = 2;
	 styleObj = ".style";
  }
	else if (bName == "Netscape" && bVer == 3) br ="n3";
	else if (bName == "Netscape" && bVer == 2) br ="n2";
	else if (bName == "Microsoft Internet Explorer" && bVer >= 4)
	{br ="e4";
	 coll = "all.";
	 styleObj = ".style";
	 dhtml = 1;
	}
	else if (bName == "Microsoft Internet Explorer") br ="e3";
else
  br = "n2";

function errorhand()
{ alert('Please activate CSS ! Bitte aktivieren Sie CSS !')
}

function befreit()
{ if (! document.bestellung.rezeptart[0].checked)
	{
	document.bestellung.rezeptgeb.checked = false;
	alert('Die Befreiung von Rezeptgebühren ist nur beim Kassenrezept möglich !')
	}
}

function deactivate_befreiung()
{ if (! document.bestellung.rezeptart[0].checked)
	{
	document.bestellung.rezeptgeb.checked = false;
	}
}

function Visab(Marke)
{ onError = "errorhand()"
  if (dhtml==1)
    {  for (var i = 0; i <=6; i++)
	 { 
         var obj = eval ("document." + coll + "M" + i + styleObj);
	   obj.visibility = "hidden";
	 }
       var objs = eval ("document." + coll + "M" + Marke + styleObj);
       objs.visibility = "visible";
    }
  if (dhtml==2)
    {  for (var i = 0; i <=6; i++)
	 { 
         var obj =  getElement("id", "M"+i);
         obj.style.visibility = "hidden";
	 }
       var objs =  getElement("id", "M" + Marke );
       objs.style.visibility = "visible";
    }

}

function Invisab()
{ onError = "errorhand()"
  if (dhtml==1)
    {  for (var i = 0; i <=5; i++)
	 { var objt = eval ("document." + coll + "M" + i + styleObj);
	   objt.visibility = "hidden";
	 }
    }
  if (dhtml==2)
    {  for (var i = 0; i <=5; i++)
	 { var objt = getElement("id", "M"+i);
	   objt.style.visibility = "hidden";
	 }
    }
}