fnames= new Array();
fnames[0]=new Array("refs/ref1st.gif","refs/ref1on.gif","refs/ref1cl.gif");
fnames[1]=new Array("refs/ref2st.gif","refs/ref2on.gif","refs/ref2cl.gif");
fnames[2]=new Array("refs/ref3st.gif","refs/ref3on.gif","refs/ref3cl.gif");
fnames[3]=new Array("refs/ref4st.gif","refs/ref4on.gif","refs/ref4cl.gif");
fnames[4]=new Array("refs/ref5st.gif","refs/ref5on.gif","refs/ref5cl.gif");
fnames[5]=new Array("refs/ref6st.gif","refs/ref6on.gif","refs/ref6cl.gif");

active=new Array(false,true,false,false,false);
function settrue(n)
{
  for(i=0;i<6;i++)
    active[i]=false;
  active[n]=true;
}
function imgchg(n,action)
{
  if(!active[0])ref1.src=fnames[0][0];
  if(!active[1])ref2.src=fnames[1][0];
  if(!active[2])ref3.src=fnames[2][0];
  if(!active[3])ref4.src=fnames[3][0];
  if(!active[4])ref5.src=fnames[4][0];
  if(!active[5])ref6.src=fnames[5][0];
  switch(n)
  {
    case 0: if(active[0])ref1.src=fnames[0][2];
      else ref1.src=fnames[0][action]; break
    case 1: if(active[1])ref2.src=fnames[1][2];
      else ref2.src=fnames[1][action]; break
    case 2: if(active[2])ref3.src=fnames[2][2];
      else ref3.src=fnames[2][action]; break
    case 3: if(active[3])ref4.src=fnames[3][2];
      else ref4.src=fnames[3][action]; break
    case 4: if(active[4])ref5.src=fnames[4][2];
      else ref5.src=fnames[4][action]; break
    case 5: if(active[5])ref6.src=fnames[5][2];
      else ref6.src=fnames[5][action]; break
  }

}