function open_win(loc,id,width,height,resize,scroll)
{
    var top = (screen.height - height) / 2;
    var left = (screen.width - width) / 2;
    window.open(loc,id,"width="+width+",height="+height+",left="+left+",top="+top+",scrollbars="+scroll+",resizable="+resize+",status=yes");
}

function do_action(act,id,width,height,resize,scroll)
{
    if (!width)
    {
        width = 512;
        height = 384;
        resize = "no";
        scroll = "no";
    }
    open_win(act,id,width,height,resize,scroll);
}

function do_action_2(id)
{
    open_win("about:blank",id,"400","300","no","no");
}

function print_email(prefix, postfix, user)
{

    var str = prefix + '@' + postfix;
    if (!user || user == '')
    {
        user = str;
    }
    document.write('<a href="mailto:'+ str + '">'+ user +'</a>');
}

function print_page()
{
        window.open("/print.php?page_url=" + window.location.href);
}