function comehere(id){
    if(id == "1")
     {
       document.getElementById("kontakt_3").src = 'img/seiten/kontakt_3_aktiv.jpg';
     }
    if(id == "2")
     {
       document.getElementById("kontakt_3").src = 'img/seiten/kontakt_3_inaktiv.jpg';
      }
    if(id == "3")
     {
       document.getElementById("kontakt_5").src = 'img/seiten/kontakt_5_aktiv.jpg';
     }
    if(id == "4")
     {
       document.getElementById("kontakt_5").src = 'img/seiten/kontakt_5_inaktiv.jpg'; 
     }
     
    if(id == "5")
     {
       location.href = "mailto:info@lifeinfocus.de?subject=lifeinfocus.de";
     }
  }
  
 
  function Cursortasten(event)
{
    if(event.keyCode == 37)
    {
     back();
    }

    if(event.keyCode == 39)
    {
     forward();
    }
    
    if(event.keyCode == 38)
    {
     window.location.href = "?x=photos";
    }
}


  
  var x = "1";
  
function back(){
  var y;
  var anfang = "x";  
  
  if(x == 1) 
   {
    //total--;
    y = anfang;
    y += total;

   }
    else
   {
    x--; 
    y = anfang;
    y += x; 
   }
    
  document.getElementById("image").src = eval(y);
  
  if(1 >= x) 
   { 
    //document.getElementById("left").style.opacity = 0.2; 
   }
    else 
   { 
    //document.getElementById("right").style.opacity = 1.0; 
   }  
}

function forward(){
  var anfang = "x";
    
  if(bilder <= x) 
   { 
    x = 1;
   }
    else
   {
    x++; 
   }
  var y;
  y  = anfang; 
  y += x;
  
    
  document.getElementById("image").src = eval(y);
  if(bilder <= x) 
   { 
    //document.getElementById("right").style.opacity = 0.2; 
   }
    else 
   { 
    //document.getElementById("left").style.opacity = 1.0;
    
   }
}