function popUp(theURL,winName,features) {
window.open(theURL,winName,features);
}
hauteur = screen.availHeight - 0;
largeur = screen.availWidth - 0;
pointx = (largeur - 650) / 2;
pointy = (hauteur - 600) / 2;
scrollbars=0;
toolbar=0;
window.moveTo(pointx,pointy);
if (document.all) 
{
window.resizeTo(400,300);
}
else if (document.layers) 
{
if (window.outerHeight<400||window.outerWidth<300);
{
window.outerHeight = 400;
window.outerWidth = 300;
}
}