// JavaScript Document
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function drucken(){
	this.print();
}
// Schrifgroesse aendern 
var defaultGroesse = 1;
var aktuelleGroesse = defaultGroesse;


var groesseSchritt = 0.25; 
function schriftgroesse(wert) 
{ 
	
  if (wert == 'plus') 
  { 
    aktuelleGroesse += groesseSchritt; 
    groesseAendern(aktuelleGroesse); 
  } 
  else 
  { 
    if (wert == 'minus') 
    { 
      aktuelleGroesse -= groesseSchritt; 
      groesseAendern(aktuelleGroesse); 
    } 
    else 
    { 
      aktuelleGroesse = defaultGroesse; 
      groesseAendern(aktuelleGroesse); 
    } 
  } 

} 

function groesseAendern(wert) 
{ 
  var size = String(wert + 'em'); 
  var col_1 = document.getElementById('col_1'); 
  var col_2 = document.getElementById('col_2'); 
  var col_3 = document.getElementById('col_3'); 

  col_1.style.fontSize = size; 
  col_2.style.fontSize = size; 
  col_3.style.fontSize = size; 
  
  setCookie('aktuelleGroesse', wert, 30);
}  

function getCookie(NameOfCookie){ 
 if (document.cookie.length > 0){ 
  begin = document.cookie.indexOf(NameOfCookie+"="); 
  if (begin != -1){ 
   begin += NameOfCookie.length+1; 
   end = document.cookie.indexOf(";", begin); 
   if (end == -1) 
    end = document.cookie.length; 
   return unescape(document.cookie.substring(begin, end)); 
  } 
 } 
 return null; 
} 

function setCookie(NameOfCookie, value, expiredays){ 
 var ExpireDate = new Date (); 
 ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000)); 
 document.cookie = NameOfCookie + "=" + escape(value) + 
  ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString()); 
} 

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function clearField(field,action,defaultvalue) {
	if( action == 'focus'){
		if (field.value == defaultvalue) field.value = '';
	} else {
		if (field.value == '') field.value = defaultvalue;
	}
}

function setBgLiActive(setBg){
	if (setBg)
	{
		document.getElementById("bg_hover").style.backgroundImage = 'url(de/grafiken/bg_nav_1_over.gif)';
		document.getElementById("bg_hover").style.backgroundColor = '#898F6D';
	}
	else
	{
		document.getElementById("bg_hover").style.backgroundImage = 'none';
		document.getElementById("bg_hover").style.backgroundColor = '#FFFFFF';
	}
}
function setBgContentListOver(listitem,setBg){
	
	if (setBg)
	{
		listitem.style.backgroundImage = 'url(de/grafiken/bg_list.jpg)';
	}
	else
	{
		listitem.style.backgroundImage = 'none';
	}
}