if (is_ns) { 
	document.write("<link href=\"/css/styles_netscape.css\" rel=\"stylesheet\" type=\"text/css\" />");
}

if (is_op) { 
	document.write("<link href=\"/css/styles_opera.css\" rel=\"stylesheet\" type=\"text/css\" />");
}

if (is_mac) { 
	document.write("<link href=\"/css/styles_mac.css\" rel=\"stylesheet\" type=\"text/css\" />");
}



if (is_ff) { 
	document.write("<link href=\"/css/styles_fx.css\" rel=\"stylesheet\" type=\"text/css\" />");
}