function toggle(sId) {
  var oElement = getElement(sId);
  oElement.style.display = (oElement.style.display=='block') ? 'none' : 'block';
}

/* GENERELLE funktioner */
function getElement(sId) {
  return document.getElementById(sId)
}

/* 
	Function ellipse text in span element by width value. 
*/
function autoEllipseText(spanElementName, width){
   var inSpan = document.getElementById(spanElementName);
   var text = inSpan.innerHTML; // expected text only
   if(inSpan.offsetWidth > width){
      var i = 1;
      inSpan.innerHTML = '';
      while(inSpan.offsetWidth < (width) && i < text.length){
         inSpan.innerHTML = text.substr(0, i) + '...';
         i++;
      }
   }
}