//MODUL LAYER SCROLLING
var layerScrollSpeed;
var layerScrolled;
function startScrollLayer(lName,scrollBy) {  // lName ... layername   scrollBy ... scrollhöhe in pixel
  layerScrollSpeed=1;
  layerScrolled=0;
  setTimeout("scrollLayerText('" + lName + "'," + scrollBy + ")",20);
  }
function restartScrollLayer(lName,scrollBy) { 
  lMoveTo (lName,0,screen.height-200);
  layerScrolled=0;
  setTimeout("scrollLayerText('" + lName + "'," + (scrollBy+screen.height-200) + ")",20);
  }
function scrollLayerText(lName,maxScroll) {
  layerScrolled=Math.max(layerScrolled+layerScrollSpeed,-1);
  lMoveBy (lName,0,-layerScrollSpeed);
  if (layerScrolled<maxScroll && layerScrolled>=0) setTimeout("scrollLayerText('" + lName + "'," + maxScroll + ")",50);
  else setTimeout("restartScrollLayer('" + lName + "'," + maxScroll + ")",30);
  }
function layerScrollSpeedPlus() {layerScrollSpeed++}
function layerScrollSpeedMinus() {layerScrollSpeed--}