function set_darstellung(title)
{

var o = document.getElementById("sel_darstellung");

//alert("title = " + title);

if (title == "standard") o.selectedIndex = 0;	
if (title == "kontrast") o.selectedIndex = 1;	
if (title == "vereinfacht") o.selectedIndex = 2;	
}

//function set_darstellung(bolDisable)
//{
//var o = document.getElementById("sel_darstellung");
//if (bolDisable)
//{
//o.selectedIndex = 1;
//}
//else
//{
//o.selectedIndex = 0;
//}
//}

function change_darstellung()
{
var varDarstellung;

varDarstellung = document.getElementById("sel_darstellung").value;

//alert(varDarstellung);

if (varDarstellung != "vereinfacht")
    {	
    setActiveStyleSheet(varDarstellung);
        }
else
    {
    disableStyleSheets(true);
    cookieManager.setCookie("style", "vereinfacht", 365);
    }	

//used for disable
//if (varDarstellung == 0) 
//{
//disableStyleSheets(false);
//}
//else
//{
//disableStyleSheets(true);
//}

return false;

}




function disableStyleSheets(bolDisable) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1) {
		if (!bolDisable) {
			a.disabled = false;
		} else {
		
			if (a.getAttribute("title") != "vereinfacht")
				{
				a.disabled = true;
				}
			else
				{
				a.disabled = false;
				}
        }
		cookieManager.setCookie("usestyle", bolDisable, 365);
     }
  }  	
}



function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel") && a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
	  a.disabled = true;
      if(a.getAttribute("title") == title) {
	a.disabled = false;
	cookieManager.setCookie("style", title, 365);
      }
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

var useStyle = cookieManager.getCookie("usestyle");
var cookie = cookieManager.getCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();

if (title != null)
	{
	setActiveStyleSheet(title);
	}