browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
var agent = navigator.userAgent;
var ua = navigator.userAgent.toLowerCase();
var msie_ver = ua.charAt(ua.indexOf('msie') + 5);
var this_ie = false;

if (ua.indexOf('opera') != -1) {
	document.writeln("<link rel=stylesheet type=text/css href=\"css/op.css\">");
}
else if ((ua.indexOf('msie') != -1) && (msie_ver == 5)) { // IE 7.0
    document.writeln("<link rel=stylesheet type=text/css href=\"css/ie5_5.css\">");
    this_ie = true;
}
else if ((ua.indexOf('msie') != -1) && (msie_ver == 6)) { // IE 7.0
    document.writeln("<link rel=stylesheet type=text/css href=\"css/ie6.css\">");
    this_ie = true;
}
else if ((ua.indexOf('msie') != -1) && (msie_ver == 7)) { // IE 7.0
    document.writeln("<link rel=stylesheet type=text/css href=\"css/ie7.css\">");
    this_ie = true;
}
else if ((ua.indexOf('msie') != -1) && (msie_ver == 8)) { // IE 8.0
	document.writeln("<link rel=stylesheet type=text/css href=\"/common/css/ie8.css\">");
    this_ie = true;
}
else if (ua.indexOf('chrome') != -1) {
	document.writeln("<link rel=stylesheet type=text/css href=\"css/chrome.css\">");
}