whole_func_string: function(event, htmlElement, object) {
              if (!this.isLeftButton(event)) {
                  return;
              }
              // 2011-11-30 Ing. Leonardo D'Onofrio leonardo_donofrio at hotmail.com
  			if (this.textField.clearValue) {
  				this.textField.clearValue();
              } else {
  				this.textField.setValue('');
              }
              // end Ing. Leonardo D'Onofrio
  			this.textField.focus();
          }
func_code_string: function(event, htmlElement, object) {
              if (!this.isLeftButton(event)) {
                  return;
              }
              // 2011-11-30 Ing. Leonardo D'Onofrio leonardo_donofrio at hotmail.com
  			if (this.textField.clearValue) {
  				this.textField.clearValue();
              } else {
  				this.textField.setValue('');
              }
              // end Ing. Leonardo D'Onofrio
  			this.textField.focus();
          }
func_documentation_string: ///////////////////////////////////////////////////////////////////////////////////////////////////  Mouse event handlers  /////////////////////////////////////////////////////////////////////////////////////////////////// 
  Tada - the real action: If user left clicked on the clear button, then empty the field