// (c) Windmill - (r) cup 20090729 2215 //

// layer control

if (document.getElementById && !document.all) { // NS6+
   layerRef=".getElementById";
   styleRef=".style";
   leftbrac  = "('";
   rightbrac = "')";
// document.getElementById('one').style.visibility='hidden'
}

else if (document.layers) { // NS4+
   layerRef  = ".layers";
   styleRef  = "";
   leftbrac  = "['";
   rightbrac = "']";
// document.layers['one'].visibility='hidden'
}

else if (document.images) { // IE4+
   layerRef  = ".all";
   styleRef  = ".style";
   leftbrac  = "['";
   rightbrac = "']";
// document.all['one'].style.visibility='hidden'
}

function makeBlock(myItem) {
   eval("document"+layerRef+leftbrac+myItem+rightbrac+styleRef+".display='block'");
}
function makeNone(myItem) {
   eval("document"+layerRef+leftbrac+myItem+rightbrac+styleRef+".display='none'");
}

function toggle(myItem) {
   if (eval("document"+layerRef+leftbrac+myItem+rightbrac+styleRef+".display") == 'none') {
      makeBlock(myItem);
   }
   else {
      makeNone(myItem);
   }
}