How to find out the properties of a field's/object's?

Hello
I have field (say, its name is field_1) in my_form and  i am coloring yellow by using below code of initialization event:
this.ui.oneOfChild.border.fill.color.value = "255,255,191"; (Actually, just for differentiating / tracing back purpose here  am assigning this yellow color to this field, you can suggest me any thing else that marks / tags this field (i can not populate a value, bcz its visible to user), so that in the  CHANGE event of this field, again i want to check/get/know that whether this field is tagged/marked or not)
fine. But, because of some/below reason, i need to find out its color by using JavaScript, pls. let me know how to figure out its color is as yellow by using JavaScrit?
Reason: If field_1's color is YELLOW (or you suggested any tag/mark as said in the above in red text), then i have to make HIDE the field_2
Field_0's position is extreme left, Field_1's  position is middle and the Field_2's position is exterme right of the page.
I guess, i hv only one option of finding out color, hence am looking forward for JavaScript to find out the color of a field in question
(OR)
Also, pls. let me know the JavaScript that How can i make HIDE a check box for that COMLETE session (i mean, starting from launching the form in the browser until he closes the window/browser/tab/form), i guess, this idea also workes for my requirement, ( i want to put this code in the docReady event) .....no matter/what ever code is existing there in any event of that field level
Thank you

The unix file command:
file *
foo.doc ms-office file / word
bar.png png image, 32x32 pixels, no transparency
moo.hhml html text
note that as in the last - file names are ignored, it works by checking the beginning of each file's data against it's database, and as in #2 it can sometimes see a lot more than just the file format.
Don't know of a windows port, you could try cygwin

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