html page can't find JavaScript functions

Hi,

I'm puzzled by a problem I just started experiencing with my JavaScript (JS).  I define a number of JS functions in the head that are used for things like a calendar and operations for buttons and onclick.

I'm developing in Firefox and using the JS debugger addon which, when I click on a few of my buttons, tells me that function is not defined  e.g. "showAlert is not defined"

Except showAlert IS defined and I don't know why the page can't see it.  This is happening with most of the functions on the page, but there's one that still works, probably because it is the submit button for the page form with an onclick JS beforehand.

I've place a several alerts throughout the page body and they all fire.

How do I track down these missing function errors and find out what's happening?  

Thanks!
LVL 11
ugebAsked:
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hieloCommented:
What you described typically happens when:
a. you give some element an id and/or name the same name that you gave the function.
b. you are assigning an anonymous function to a variabe, but the variable may be out of scope. ex:
instead of:
var myTableSorter=function(){...};

declare it as:
function myTableSorter(){...}

c. The browser may not be able to import you js files typically due to an incorrect path or a permission issue.
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ugebAuthor Commented:
It actually had to do with a missing double quote that couldn't be seen or identified as an error in the editor for some reason.  But your comments helped me track it down, so thanks!
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hieloCommented:
you are welcome
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