var newWin = window.open('about:blank', 'example', 'width=600,height=400');
newWin.document.write('<div><form method="post" action="https://some.site/" id = "foobar" target="_blank"><div class="logform"><ul class="reset"><li class="lfield"><input type="text" name="login_name" id="login_name"></li><li class="lfield lfpas"><input type="password" name="login_password" id="login_password" value = "'+html[0]['password']+'"></li><li class="lbtn dop"><button class="fbutton" onclick="submit();" type="submit"></button></li></ul><input name="login" type="hidden" id="login" value="submit"></div></form><div>');