function shownow(toopen)
{ 
window.open(toopen,"mywin","toolbar=no,menubar=no,scrollbars=yes,resizable=yes")
}
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;
 }
}
}