function fullscreen() 
{ 
window.open("index_full.html","win","width="+screen.width+",height="+screen.height+",top=0,left=0,status=no,scrollbars=no,toolbar=no,location=no,directories=no,resizable=yes,menubar=no"); 
win.window.focus();
}

function fullscreenIE()
{
window.open("index_full.html","win","fullscreen=yes");
win.window.focus();
}