HopObject.createCheckBoxParam (propName, param)
create a parameter object for checkboxes

Sourcecode in HopObject/objectFunctions.js:
1:   function createCheckBoxParam(propName, param) {
2:      param.name = propName;
3:      param.value = 1;
4:      if (req.data[propName] == 1 || this[propName] == 1)
5:         param.checked = "checked";
6:      delete param.as;
7:      return param;
8:   }