code: function getString(ref)
  		{
  			try
  			{
  				if (ref)
  				{
  					try 
  					{	
  						return ref;
  					} catch (e) {
  						return ref.toString();
  					}
  				}
  				else {
  					try 
  					{
  						return ref.toString();
  					}
  					catch (e) 
  					{
  						return "undefined";
  					}
  				}
  				
  			} catch (e)
  			{
  				// if we can not convert it to a string write "undefined" just like javascript
  				return "undefined";
  			}
  		}
docs: Sometimes calling the toString of an object generates an error so we catch it here