Set Material Visibility:
<% _.each(_.keys(allMaterials[materialClass]), function(key){ %>
<%= materials[key].name %>
<% }); %>
<% _.each(materials, function(material, key){
if (key.substr(0,5) == "super") return;
if (material.noDelete) return; %>
<% }); %>
<% _.each(compositeMaterialsKeys, function(key){ %>
<%= materials[key].name %>
<% }); %>