var aktiv;
var oldLeft=480;
var oldLeftMann=480;
var oldLeftSea=224;
var brw = new bw_check();
var firstTime = true;
var targetLeft =0;
function overlay() {
  if (!brw.ns4) {
    
   var left = parseInt(document.getElementById("mann").style.left);    
   var targetLeft1 = parseInt(document.getElementById("see").style.left);
    
   if (left>targetLeft1) {
      left = left -2;      
      document.getElementById("mann").style.left = left;
   } else {
      window.clearTimeout(aktiv);  
   }
  } else {
    var left = parseInt(document.layers["mann"].left);
    var targetLeft1 = parseInt(document.layers["see"].left);
    if (left>targetLeft1) {
      left = left -2;      
      document.layers["mann"].left = left;
     } else {
        window.clearTimeout(aktiv);  
     }
  
  }
}


function comeTogether() {
  if (!brw.ns4) {
    var leftSea = parseInt(document.getElementById("see").style.left); 
    var leftMann = parseInt(document.getElementById("mann").style.left); 
   if (firstTime) {
      
    targetLeft = Math.floor((leftMann - leftSea)/2) + leftSea;    
    firstTime=false;
   }
   
   if (leftMann>targetLeft) {
      leftMann = leftMann -2 ;      
      document.getElementById("mann").style.left = leftMann;
   }
   
   if (leftSea<targetLeft) {
      leftSea = leftSea + 2;
      document.getElementById("see").style.left = leftSea;
   }
  
   if ((leftMann<=targetLeft) && (leftSea>=targetLeft)) {
      window.clearTimeout(aktiv);
      firsTime=true;   
   }
  } else {
   
   var leftSea = parseInt(document.layers["see"].left); 
   var leftMann = parseInt(document.layers["mann"].left);    
    if (firstTime) {
      
    targetLeft = Math.floor((leftMann - leftSea)/2) + leftSea;
    firstTime=false;
   }
    
   if (leftMann>targetLeft) {
      leftMann = leftMann -2 ;      
      document.layers["mann"].left = leftMann;
   }
   
   if (leftSea<targetLeft) {
      leftSea = leftSea + 2;
      document.layers["see"].left = leftSea;
   }
  
   if ((leftMann<=targetLeft) && (leftSea>=targetLeft)) {
      window.clearTimeout(aktiv); 
      firsTime=true; 
   }  
  }
}

function resetImages() {
  if (brw.ns4) {
     document.layers["mann"].left=oldLeftMann;
     document.layers["see"].left=oldLeftSea;
  } else {
     document.getElementById("mann").style.left=oldLeftMann;
     document.getElementById("see").style.left=oldLeftSea;     
  }
}