window.onload = maxWindow;

function maxWindow()
{
 window.moveTo(0,0);
 if (document.all)
 {
   top.window.resizeTo(screen.availWidth,screen.availHeight);
 }
 else if (document.layers||document.getElementById)
 {
   if (top.window.outerHeight<screen.availHeight||top.window.outerWidth<screen.availWidth)
   {
     top.window.outerHeight = screen.availHeight;
     top.window.outerWidth = screen.availWidth;
   }
 }
}