var gCssFile = new Array();
if (navigator.appVersion.charAt(0) >= 4) {
if (navigator.userAgent.indexOf('Win') != -1) {
gCssFile[gCssFile.length] = "default.css";
}
if (navigator.userAgent.indexOf('Gecko') != -1) {
gCssFile[gCssFile.length] = "gecko.css";
}
}