var  layerRef=".all.";
var styleRef=".style";

function sl(v) {
 for (c=1;c<=6;c++) {
  var r = "document" + layerRef + "layer" + c;
  if (eval("typeof(" + r + ");")=="object")
   eval(r + styleRef + ".visibility = '" + ((c!=v)?"hidden":"visible") + "'");
 };
}

function sl0()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'hidden'");
}
function sl1()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'visible'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'hidden'");
}
function sl2()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'visible'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'hidden'");
}
function sl3()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'visible'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'hidden'");
}
function sl4()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'visible'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'hidden'");
}
function sl5()
{
eval("document" + layerRef +"layer1" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer2" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer3" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer4" + styleRef + ".visibility = 'hidden'");
eval("document" + layerRef +"layer5" + styleRef + ".visibility = 'visible'");
}