if ((navigator.userAgent.indexOf("Mac") != -1))
	document.write("<link rel='stylesheet' href='../onsen_css/mac.css' type='text/css'>")
if (navigator.userAgent.indexOf('Win') != -1)
  {
  if (navigator.appName.indexOf('Netscape') != -1) 
    {
    document.write("<link rel='stylesheet' href='../onsen_css/pc_nc.css' type='text/css'>")
    }
  else
    {
    document.write("<link rel='stylesheet' href='../onsen_css/pc_ie.css' type='text/css'>")
    }
  }