function popup(url) {
mywidth = 600;
myheigth = 450;
myleft = (screen.width - mywidth)/2;
mytop = 200;
popup = open(url, "popup", "scrollbars=yes,toolbar=no,width="+mywidth+",height="+myheigth+",top="+mytop+",left="+myleft);
if (navigator.appVersion.substring(1,0)>="3")
{
popup.focus (); 
}
}

function outil(url) {
mywidth = 1160;
myheigth = 650;
myleft = (screen.width - mywidth)/2;
mytop = 30;
popup = open(url, "popup", "scrollbars=yes,toolbar=no,width="+mywidth+",height="+myheigth+",top="+mytop+",left="+myleft);
if (navigator.appVersion.substring(1,0)>="3")
{
popup.focus (); 
}
}