function recadre() {

window.moveTo(0,0);

if (document.all) {
window.resizeTo(screen.availWidth,screen.availHeight);
}

else if (document.layers) {
if (window.outerHeight<screen.availHeight||window.outerWidth>screen.availWidth) {
window.outerHeight = screen.availHeight;
window.outerWidth = screen.availWidth;
}
}
}