old_contents: jQuery.namespace = function() {
      var a=arguments, o=null, i, j, d;
      for (i=0; i<a.length; i=i+1) {
          d=a[i].split(".");
          o=window;
          for (j=0; j<d.length; j=j+1) {
              o[d[j]]=o[d[j]] || {};
              o=o[d[j]];
          }
      }
      return o;
  };
  
  /*
   * @provide pskl.utils
   *
   * @require Constants
   */
  (function() { // namespace: pskl.utils
  
      var ns = $.namespace("pskl.utils");
  
      ns.rgbToHex = function(r, g, b) {
          if (r > 255 || g > 255 || b > 255)
              throw "Invalid color component";
          return ((r << 16) | (g << 8) | b).toString(16);
      };
  
      ns.inherit = function(extendedObject, inheritFrom) {
          extendedObject.prototype = Object.create(inheritFrom.prototype);
          extendedObject.prototype.constructor = extendedObject;
          extendedObject.prototype.superclass = inheritFrom.prototype;
          
          //pskl.ToolBehavior.Eraser.prototype = Object.create(pskl.ToolBehavior.BaseTool.prototype);
          //prototypeskl.ToolBehavior.Eraser.prototype.constructor = pskl.ToolBehavior.Eraser;
      };
  
  })();
  
  
new_contents: jQuery.namespace = function() {
      var a=arguments, o=null, i, j, d;
      for (i=0; i<a.length; i=i+1) {
          d=a[i].split(".");
          o=window;
          for (j=0; j<d.length; j=j+1) {
              o[d[j]]=o[d[j]] || {};
              o=o[d[j]];
          }
      }
      return o;
  };
  
  /*
   * @provide pskl.utils
   *
   * @require Constants
   */
  (function() { // namespace: pskl.utils
  
      var ns = $.namespace("pskl.utils");
  
      ns.rgbToHex = function(r, g, b) {
          if (r > 255 || g > 255 || b > 255)
              throw "Invalid color component";
          return ((r << 16) | (g << 8) | b).toString(16);
      };
  
      ns.inherit = function(extendedObject, inheritFrom) {
          extendedObject.prototype = Object.create(inheritFrom.prototype);
          extendedObject.prototype.constructor = extendedObject;
          extendedObject.prototype.superclass = inheritFrom.prototype;
      };
  
  })();
  
  
subject: clean comments