function decrease(val, tlacID){
    if (val>74) {
       document.getElementById(tlacID).width=val;
       document.getElementById(tlacID).height=val;
       val-=1;
       setTimeout("decrease("+val+",'"+tlacID+"')", 10);
    }
}
function increase(val, tlacID){
    if (val<85) {
       document.getElementById(tlacID).width=val;
       document.getElementById(tlacID).height=val;
       val+=1;
       setTimeout("increase("+val+",'"+tlacID+"')", 10);
    }
}
function overButton(tlacID) {
  decrease(84, tlacID);
}
function outButton(tlacID) {
  increase(75, tlacID);
}
function heighlight(tlacID) {
  document.getElementById(tlacID).color="#000000";
}
function noheighlight(tlacID) {
  document.getElementById(tlacID).color="#D3D3D3";
}