if(document.layers)
{document.write("<link rel='stylesheet' href='./css/pos_index_n4.css' type='text/css'>");
document.write("<link rel='stylesheet' href='./css/formate_n4.css' type='text/css'>");}
else if(document.all)
{document.write("<link rel='stylesheet' href='./css/pos_index.css' type='text/css'>");
document.write("<link rel='stylesheet' href='./css/formate.css' type='text/css'>");}
else if(document.getElementById)
{document.write("<link rel='stylesheet' href='./css/pos_index_n6.css' type='text/css'>");
document.write("<link rel='stylesheet' href='./css/formate.css' type='text/css'>");}