var mx=0;
var my=0;
var hTimer;         // Variable für Timer-Objekt
var intStep  = 1;   // Schrittweite
var intDelay = 10;  // Verzögerung in Millisekunden

function resizeDivTo(div_id, div_height, div_width, div_size)
{
 var div = document.getElementById(div_id);
 div.style.display = 'block';
 if(div_size == 'xl'){
  div.style.width = ((isNaN(parseInt(div.style.width)))? 0 : (parseInt(div.style.width)+intStep)) + 'px';
  div.style.height = ((isNaN(parseInt(div.style.height)))? 0 : (parseInt(div.style.height)+intStep)) + 'px';
  if(parseInt(div.style.height) < div_height){
   hTimer = window.setTimeout("resizeDivTo('" + div_id +"'," + div_height + "," + div_width + ",'" + div_size + "');", intDelay);
  }
 }else if(div_size == 's'){
  div.style.width = ((isNaN(parseInt(div.style.width)))? 0 : (parseInt(div.style.width)-intStep)) + 'px';
  div.style.height = ((isNaN(parseInt(div.style.height)))? 0 : (parseInt(div.style.height)-intStep)) + 'px';
  if(parseInt(div.style.height) > div_height){
   hTimer = window.setTimeout("resizeDivTo('" + div_id +"'," + div_height + "," + div_width + ",'" + div_size + "');", intDelay);
  }else if(div_height == 0 && div_width == 0){
   div.style.display = 'none';
  }
 }
}



function pwsbox() {
    document.getElementById("pws1").style.display="block";
    document.getElementById("pws2").style.display="none";
    document.getElementById("pws1").focus();
}




function do_show(was) {

  
  if (was=="lobkritik" ) {
      if (document.getElementById("window_lobkritik").style.display=="block") {
        document.getElementById("window_lobkritik").style.display="none";  
        document.getElementById("button_lobkritik").style.background="#E0E0E0";   

      } else {
        document.getElementById("window_lobkritik").style.display="block";   
        document.getElementById("button_lobkritik").style.background="#FFFFFF";   
                    
      }  
  }


  if (was=="navi" ) {
      if (document.getElementById("Navigation").style.display=="none") {
        document.getElementById("Navigation").style.display="block";  
//        document.getElementById("fit_navi1").style.display="block";  
//        document.getElementById("fit_navi2").style.display="none";  

      } else {
        document.getElementById("Navigation").style.display="none";                
//        document.getElementById("fit_navi2").style.display="block";  
//        document.getElementById("fit_navi1").style.display="none";  

      }  
  }  
    

 
 
    
}






function get_mx() {
  if (window.innerWidth) {
    return window.innerWidth/2;
  } else if (document.body && document.body.offsetWidth) {
    return document.body.offsetWidth/2;
  } else {
    return 0;
  }
}

function get_my() {
  if (window.innerHeight) {
    return window.innerHeight/2;
  } else if (document.body && document.body.offsetHeight) {
    return document.body.offsetHeight/2;
  } else {
    return 0;
  }
}