if (document.getElementById){
document.write("<link rel='stylesheet' type='text/css' href='http://www.treenspigs.com/scripts/style_5.css'>");
document.write("<script type='text/javascript' src='http://www.treenspigs.com/scripts/navbase.js'></script>");
}
else {
document.write("<link rel='stylesheet' type='text/css' href='http://www.treenspigs.com/scripts/style_4.css'>");
document.write("<script type='text/javascript' src='http://www.treenspigs.com/scripts/navbase.js'></script>")
}