Javascript with Html-db (Apex)

Hi everybody,
My function is :
<script language="JavaScript1.1" type="text/javascript">
function desactiverElement(testString,item1,item2)
{ theTest= eval(testString);
if(theTest)
for (var i=1;i<4;i++)
if (arguments)
disItem = document.getElementById(arguments[i]);
disItem.style.background = '#C0C0C0';
disItem.disabled = true;
else
disItem = document.getElementById(arguments[i]);
disItem.disabled = false;
</script>
on the page HTML Header, I put:
OnLoad="javascript: desactiverElement(('document.getElementById(\'P32_ID_FEUILLET\').value != \'\'','P32_ID_FEUILLET','P32_NEQ');"
It works. It works also when I refresh my page.
But , when I click on my « create » button, my page is appears with the new data but my field are not still disable = false it comes enable.
Can someone help me ?
Thanks. Bye.

Thank you very much Scott,
It was my Character set of file that was set to Unicode. I change it to European.... and it works.
I put my application "27331 - Feuillets" on dkubicek shema. My Onload is on page 32.
I have some problem creating my tables. I have this message:
ORA-01658: unable to create INITIAL extent for segment in tablespace FLOW_8897
Thanks. Bye.

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