var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = getBrouwserName() == 'Explorer';
var NN  = getBrouwserName() == 'Netscape';
var Moz = navigator.userAgent.indexOf("Gecko") != -1;
var VER = parseInt(navigator.appVersion);
var MacIE5 = ((Mac && navigator.appVersion.indexOf('MSIE 5',0) != -1) || (Mac && IE && VER > 4));
var Vmajor = parseInt(navigator.appVersion);	// ex. 3
var Vminor = parseFloat(navigator.appVersion);	// ex. 3.01
function getBrouwserName() {
var ap = navigator.appName;
var ua = navigator.userAgent;
if (ap.indexOf("Microsoft Internet Explorer",0) != -1) return "Explorer";
if (ap.indexOf("Netscape",0) != -1) return "Netscape";
if (ap.indexOf("Opera",0) != -1) return "Opera";
if (ap.indexOf("iCab",0) != -1) return "iCab";
if (ap.indexOf("WebTV",0) != -1) return "WebTV";
if (ua.indexOf("DreamPassport",0) != -1) return "DreamPassport";
return "";
}

var cssname;
cssname = (Win)?"win":(Mac)?"mac":"";
if (cssname!="") document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"css\/' + cssname + '.css\">\n');
cssname = (Win && IE)?"wie":((Win && NN)?"wnn":((Mac && IE)?"mie":((Mac && NN)?"mnn":"")));
if (cssname!="") document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"css\/' + cssname + '.css\">\n');