document.writeln('<style type="text/css">');
document.writeln('div.main {');
document.writeln('        text-align: justify;');
document.writeln('        padding-left: 20px;');
document.writeln('        padding-right: 20px;');
document.writeln('        overflow-y: scroll;');
document.writeln('        overflow-x: hidden;');
document.writeln('}');
document.writeln('</style>');

if(screen.availHeight>1000){
  document.writeln('<div class="main" style="height:400px;width:480px;">');
}else{
  document.writeln('<div class="main" style="height:320px;width:480px;>');
}