function showElement(layer) {
var mylayer = document.getElementById(layer);
var showlayer = document.getElementById("V-MORE");
var lesslauer = document.getElementById("V-LESS");
if(mylayer.style.display=="none"){
mylayer.style.display="Block";
showlayer.style.display="none";
lesslauer.style.display="block";
}
else
{
mylayer.style.display="none";
showlayer.style.display="block";
lesslauer.style.display="none";
}
}

function showElementcat(layer) {
var mylayer = document.getElementById(layer);
var showlayer = document.getElementById("V-MORE-CAT");
var lesslauer = document.getElementById("V-LESS-CAT");
if(mylayer.style.display=="none"){
mylayer.style.display="Block";
showlayer.style.display="none";
lesslauer.style.display="block";
}
else
{
mylayer.style.display="none";
showlayer.style.display="block";
lesslauer.style.display="none";
}
}