var doAlerts=false;
function changeSheets(whichSheet){
  whichSheet=whichSheet-1;
  if(document.styleSheets){
    var c = document.styleSheets.length;
    if (doAlerts) alert('Change to Style '+(whichSheet+1));
    for(var i=0;i<c;i++){
      if(i!=whichSheet){
        document.styleSheets[i].disabled=true;
      }else{
        document.styleSheets[i].disabled=false;
      }
    }
	document.cookie = "StyleSheets=" + (whichSheet+1) + "; path=/; domain=agr.de";
  }
}

if (document.cookie) {
  var Wert = "";
  if (document.cookie.indexOf("StyleSheets=") > 0) {
    var Wertstart = document.cookie.indexOf("StyleSheets=") + 12;
  } else {
    var Wertstart = 0;
  }
  var Wertende = document.cookie.indexOf(";", Wertstart);
  if (Wertende == -1) Wertende = document.cookie.length;
  Wert = document.cookie.substring(Wertstart,Wertende);
  
  if (Number(Wert)) changeSheets( Wert );
}

function CheckField()
{              
  if (SearchForm.search.value == "Suchbegriff: Name, Anlage, Abfallart, EAK Nummer") 
  {
    alert('Bitte geben Sie mindestens einen Suchbegriff ein.');
    return false;
  }                                             
  return true;
}