Why won't my window lock: Javascript?

[lilleypants]

This is my code for opening a new window as a certain size:


function OpenPage(theURL){
var width = screen.width
var height = screen.height
if (width <= 900)
{
window.open(theURL, '', 'fullscreen=yes, scrollbars=no, resizable=no');
}
else
{
window.open(theURL,'','width=970,height=584,status =no,menubar=no,scrollbars=no,resizable=no')
}
}
</SCRIPT> 

It opens the window fine and etc BUT for some reason I can still resize it even though I put the code resizable = no. Can anyone see why?

Thanks for any help!

[claudio]

Some browsers doesn't allow any code to lock the window's dimensions.