/* JavaScript für CVM GmbH Chemnitz  */
/* Stand 03.12.99 */
var BildNr=6;


function Zoom(Richtung)
{  window.defaultStatus = "Landkarte wird geladen";
   var Bild = new Array(10);
   for (i=1; i <= 10; ++i)
     {Bild[i] = new Image();
      Bild[i].src = "../images/map/cvm"+i+".gif";
     }

  if (Richtung==99)    BildNr = BildNr = 6;
  if (Richtung==0)     BildNr = BildNr - 1;
  if (Richtung==1)     BildNr = BildNr + 1;
  if (Richtung==2)     BildNr = BildNr + 1;
  if (Richtung==3)     BildNr = BildNr - 1;
  if (BildNr<1)        BildNr = 1;
  if (BildNr>10)       BildNr = 10;
  if (document.all)    {document.Landkarte.src = Bild[BildNr].src;}
  if (document.layers) {document.Karte.document.Landkarte.src = Bild[BildNr].src;}
  if (Richtung==3)     {if (BildNr!=1) window.setTimeout("Zoom(3)",1500);}
  if (Richtung==2)     {if (BildNr!=10) window.setTimeout("Zoom(2)",1500);}

  if (document.all) 
    {
    if ((Richtung==3) || (Richtung==2)) 
      {
      document.all.AL1.style.setAttribute("visibility","hidden","false"); 
      document.all.AL2.style.setAttribute("visibility","hidden","false"); 
      document.all.L1.style.setAttribute("visibility","hidden","false"); 
      document.all.L2.style.setAttribute("visibility","hidden","false"); 
      document.all.AR1.style.setAttribute("visibility","hidden","false"); 
      document.all.AR2.style.setAttribute("visibility","hidden","false"); 
      document.all.R1.style.setAttribute("visibility","hidden","false"); 
      document.all.R2.style.setAttribute("visibility","hidden","false"); 
      if (BildNr==1) 
        {
        document.all.AR1.style.setAttribute("visibility","visible","false"); 
        document.all.AR2.style.setAttribute("visibility","visible","false"); 
        document.all.R1.style.setAttribute("visibility","visible","false"); 
        document.all.R2.style.setAttribute("visibility","visible","false"); 
        }
      if (BildNr==10) 
        {
        document.all.AL1.style.setAttribute("visibility","visible","false"); 
        document.all.AL2.style.setAttribute("visibility","visible","false"); 
        document.all.L1.style.setAttribute("visibility","visible","false"); 
        document.all.L2.style.setAttribute("visibility","visible","false"); 
        }
      }
    else
      { 
      if (BildNr==1) 
        {
        document.all.AL1.style.setAttribute("visibility","hidden","false"); 
        document.all.AL2.style.setAttribute("visibility","hidden","false"); 
        document.all.L1.style.setAttribute("visibility","hidden","false"); 
        document.all.L2.style.setAttribute("visibility","hidden","false"); 
        }
      else if (BildNr==10) 
        {
        document.all.AR1.style.setAttribute("visibility","hidden","false"); 
        document.all.AR2.style.setAttribute("visibility","hidden","false"); 
        document.all.R1.style.setAttribute("visibility","hidden","false"); 
        document.all.R2.style.setAttribute("visibility","hidden","false"); 
        }
      else 
        {
        document.all.AR1.style.setAttribute("visibility","visible","false"); 
        document.all.AR2.style.setAttribute("visibility","visible","false"); 
        document.all.R1.style.setAttribute("visibility","visible","false"); 
        document.all.R2.style.setAttribute("visibility","visible","false"); 
        document.all.AL1.style.setAttribute("visibility","visible","false"); 
        document.all.AL2.style.setAttribute("visibility","visible","false"); 
        document.all.L1.style.setAttribute("visibility","visible","false"); 
        document.all.L2.style.setAttribute("visibility","visible","false"); 
        }
      }
    }
  if (document.layers) 
    {
    if ((Richtung==3) || (Richtung==2)) 
      {
      document.ARight1.document.ARight1.visibility = "hide";
      document.ARight2.document.ARight2.visibility = "hide";
      document.Right1.document.Right1.visibility = "hide";
      document.Right2.document.Right2.visibility = "hide";
      document.ALeft1.document.ALeft1.visibility = "hide";
      document.ALeft2.document.ALeft2.visibility = "hide";
      document.Left1.document.Left1.visibility = "hide";
      document.Left2.document.Left2.visibility = "hide";
      if (BildNr==1) 
        {
        document.ARight1.document.ARight1.visibility = "show";
        document.ARight2.document.ARight2.visibility = "show";
        document.Right1.document.Right1.visibility = "show";
        document.Right2.document.Right2.visibility = "show";
        }
      if (BildNr==10) 
        {
        document.ALeft1.document.ALeft1.visibility = "show";
        document.ALeft2.document.ALeft2.visibility = "show";
        document.Left1.document.Left1.visibility = "show";
        document.Left2.document.Left2.visibility = "show";
        }
      }
    else
      {
      if (BildNr==1) 
        {
        document.ALeft1.document.ALeft1.visibility = "hide";
        document.ALeft2.document.ALeft2.visibility = "hide";
        document.Left1.document.Left1.visibility = "hide";
        document.Left2.document.Left2.visibility = "hide";
        }
      else if (BildNr==10) 
        {
        document.ARight1.document.ARight1.visibility = "hide";
        document.ARight2.document.ARight2.visibility = "hide";
        document.Right1.document.Right1.visibility = "hide"; 
        document.Right2.document.Right2.visibility = "hide"; 
        }
      else 
        {
        document.ARight1.document.ARight1.visibility = "show";
        document.ARight2.document.ARight2.visibility = "show";
        document.Right1.document.Right1.visibility = "show";
        document.Right2.document.Right2.visibility = "show";
        document.ALeft1.document.ALeft1.visibility = "show";
        document.ALeft2.document.ALeft2.visibility = "show";
        document.Left1.document.Left1.visibility = "show";
        document.Left2.document.Left2.visibility = "show";
        }
      }
    }
}