undocumented problem - need to launch a variable url popup window

im stuck in the following issue:

in html i have:
<SCRIPT LANGUAGE=JavaScript>
function openNewWindow(URLtoOpen, windowName, windowFeatures) {
newWindow=window.open(URLtoOpen, windowName, windowFeatures);
}
</SCRIPT>

in flash i have:
on (press) {
url3 = "phpbb2/insfav.php?id="+dj_id+"&nrf="+nrfuns;
getURL(javascript:openNewWindow(url3,'thewin','hei ght=400,width=400,toolbar=no,scrollbars=yes') , "_blank");
}

I WANT TO OPEN A POPUP WINDOW WITH THE URL3 VARIABLE PARAMETER AND I TRYIED IN ALL THE WAYS - NOT WORKING...

:confused:

IT IS A WAY TO MAKE THIS WORK?

THNX
COSTY