var mailWin;
var br_good=navigator.appName.indexOf("Microsoft");


function openMail(url) {
    w=710;
    h=350;
    if (mailWin!=null){ 
        if (br_good!=-1)
            mailWin.close()
        else
            if (mailWin.winOpen!=null)
                mailWin.close();
    }
    
    
    if (self.screen) {
        if (h<(screen.height-60)) w=w+20;
        var h = (h<screen.height) ? h : screen.height-60;
        var w = (w<screen.width) ? w : screen.width;
        mailWin=window.open(url,'mailWin','width='+w+',height='+h+',left='+(screen.width-w)/2+',top='+(screen.height-h)/2+',scrollbars=yes,resizable=yes');
    }
    else {
        mailWin=window.open(url,'mailWin','width='+w+',height='+h+',left=0,top=0');
    }
    mailWin.focus();
}

function closeMail() {
    if (mailWin != null && !mailWin.closed) {
        mailWin.close();
    }
}