if (navigator.userAgent.indexOf("Win") >= 0) {
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		version="win-ie";
	} else {
		if(navigator.appVersion.charAt(0) >= 5){
			version="win-nn6";
		}else {
			version="win-nn";
		}
	}
} else {
	if (navigator.appName.indexOf("Microsoft") >= 0) {
		version="mac-ie";
	} else {
		if(navigator.userAgent.indexOf("Safari") >= 0){
		version="mac-safari";
		}else if(navigator.appVersion.charAt(0) >= 5){
			version="mac-nn6";
		}else {
			version="mac-nn";
		}
	}
}
document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="http://www.getlife.jp/tesuto/common/css/'+version+'.css">')


function Swap(iName, img_url)
 {
 myobj = document.images[iName];
 myobj.src = img_url;
 }