function act(imgName) {

  if (document.images)  document.images[imgName].src = "onimages/" + imgName + ".jpg" ;
  

}

function inact(imgName) {

  if (document.images)  document.images[imgName].src = "images/" + imgName + ".jpg" ;



}
function v_act(id, id2, imgName)
{
     var e = document.getElementById(id);
     if(!(e))
     {
          alert("This change is not possible!");
          return(false);
     }
     e.style.color = "#EBBD38";
    
     
     var e2 = document.getElementById(id2);
     if(!(e2))
     {
          alert("This change is not possible!");
          return(false);
     }
     e2.style.color = "#EBBD38";
     if (document.images)  document.images[imgName].src = "onImages/video.jpg" ;
     
     return(true);
}
function v_inact(id, id2, imgName)
{
     var e = document.getElementById(id);
     if(!(e))
     {
          alert("This change is not possible!");
          return(false);
     }
     e.style.color = "#ffffff";
    
     
     var e2 = document.getElementById(id2);
     if(!(e2))
     {
          alert("This change is not possible!");
          return(false);
     }
     e2.style.color = "#ffffff";
if (document.images)  document.images[imgName].src = "images/video.jpg" ;
     return(true);
}
function a_act(id, id2, imgName)
{
     var e = document.getElementById(id);
     if(!(e))
     {
          alert("This change is not possible!");
          return(false);
     }
     e.style.color = "#EBBD38";
    
     
     var e2 = document.getElementById(id2);
     if(!(e2))
     {
          alert("This change is not possible!");
          return(false);
     }
     e2.style.color = "#EBBD38";
     if (document.images)  document.images[imgName].src = "onImages/audio.jpg" ;
     
     return(true);
}
function a_inact(id, id2, imgName)
{
     var e = document.getElementById(id);
     if(!(e))
     {
          alert("This change is not possible!");
          return(false);
     }
     e.style.color = "#ffffff";
    
     
     var e2 = document.getElementById(id2);
     if(!(e2))
     {
          alert("This change is not possible!");
          return(false);
     }
     e2.style.color = "#ffffff";
if (document.images)  document.images[imgName].src = "images/audio.jpg" ;
     return(true);
}