function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/;domain=grimm-internetservice.de";
}


function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}




function dynamicLayout()
{
  var browserWidth = screen.width;
  var imgpath = "/redaktionssystem-cms-homepage/images/logo/";
  var cookie = readCookie("screenResolution");
		if (readCookie("screenResolution"))
		{
		sR_zahl=cookie.split("-");
		cookie_sR=sR_zahl[0];
		}
		else cookie_sR=0;

      // Standardauflösung für webseitenbreite von 990 pixel
	/*if (browserWidth >= 950 && (browserWidth <= 1249)){
		var stylesheet="50-0";
		if (cookie_sR!="50") 
		{
            createCookie("screenResolution", stylesheet, 1);
		document.getElementsByTagName("body")[0].style.fontSize = "50%";
		document.getElementById('middleLogo').style.backgroundImage = "url("+imgpath+"logo50.gif)";
            }
	}*/
      if (browserWidth >= 1250 && (browserWidth <= 1549)){
		var stylesheet="65-0";
		if (cookie_sR!="65") 
		{
            createCookie("screenResolution", stylesheet, 1);
		document.getElementsByTagName("body")[0].style.fontSize = "65%";
		//document.getElementById('middleLogo').style.backgroundImage = "url("+imgpath+"logo65.gif)";
            }
	}
	else if (browserWidth >= 1550 ){
		var stylesheet="80-0";
		if (cookie_sR!="80") 
		{
            createCookie("screenResolution", stylesheet, 1);
		document.getElementsByTagName("body")[0].style.fontSize = "80%";
		//document.getElementById('middleLogo').style.backgroundImage = "url("+imgpath+"logo80.gif)";
            }
	}
	else {
		var stylesheet="50-0";
		if (cookie_sR!="50") 
		{
            createCookie("screenResolution", stylesheet, 1);
		document.getElementsByTagName("body")[0].style.fontSize = "50%";
		//document.getElementById('middleLogo').style.backgroundImage = "url("+imgpath+"logo50.gif)";
            }
	}
 
}


function changeLayout(description){
   var i, a;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++){
	   if(a.getAttribute("title") == description){a.disabled = false;}
	   else if(a.getAttribute("title") != "default"){a.disabled = true;}
   }
}

	function addEvent( obj, type, fn ){ 
	   if (obj.addEventListener){ 
	      obj.addEventListener( type, fn, false );
	   }
	   else if (obj.attachEvent){ 
	      obj["e"+type+fn] = fn; 
	      obj[type+fn] = function(){ obj["e"+type+fn]( window.event ); } 
	      obj.attachEvent( "on"+type, obj[type+fn] ); 
	   } 
	} 
	
	//Run dynamicLayout function when page loads and when it resizes.
	addEvent(window, 'load', dynamicLayout);
	addEvent(window, 'resize', dynamicLayout);