rem: obj = colorPicker_getElementById('field_' + colorPicker_parentInputElementName); 
add: console.log(colorPicker_parentInputElementName); obj = colorPicker_getElementById(colorPicker_parentInputElementName); 
context: function colorPicker_ok() {  obj = colorPicker_getElementById('field_' + colorPicker_parentInputElementName);  obj.value = colorPicker_currentColor;  colorPicker_preview(colorPicker_parentInputElementName);  colorPicker_hide();}
meta: 6621	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6621/8a37871ceeb91bcb287b54db3ac8e7ee445afda2/colorpicker.js/clean/webinc/js/colorpicker.js