Pop Under trouble

hello all i am working on a pop under ad for my self and i think i have the script correct but it doesnt seem to be working.

on my button i have the followeing
on (release) {
getURL(“javascript:Launch(‘http://www.yahoo.com’)”);
}

in the html page i have the following

<SCRIPT LANGUAGE=“JavaScript”>
<!-- Begin
function Launch(page) {
OpenWin = this.open(page, “yahoo”); }
// reset focus to main window
window.focus();
// End -->
</SCRIPT>

im not sure if this is rite, if any one knows what im dooin wrong please help me out

thanks
kool