function cvOpen(bandData) {
 
	var ms = navigator.appVersion.indexOf("MSIE");
//	var win = navigator.userAgent.indexOf("Win");
var win = (navigator.userAgent.indexOf("Windows 98") > -1)
         || (navigator.userAgent.indexOf("Windows Me") > -1)
         || (navigator.userAgent.indexOf("Windows NT 5.0") > -1)
         || (navigator.userAgent.indexOf("Windows NT 5.1") > -1);

	var ie5 = (ms>0) &&(win>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 5);
	
	if (ie5){
		if(bandData == "100k"){
			window.open('http://hottokenai.jp/cybervision/set100k.html','cybervision','width=800,height=600,top=0,left=0');
		}else if(bandData == "300k"){
			window.open('http://hottokenai.jp/cybervision/set300k.html','cybervision','width=800,height=600,top=0,left=0');
		}else{
			window.open('http://hottokenai.jp/cybervision/index2.html','cybervision','width=800,height=600,top=0,left=0');
		}
	} else {
window.open('http://hottokenai.jp/cybervision/check.html','cybervision','width=800,height=600,top=0,left=0');
//		location.href="check.html";
//		alert('環境チェックを行って下さい。');
	};
}