function browser_jscheck(){
	if(navigator.userAgent.indexOf("MSIE") ==-1){

location.href='warning.html';


	}
	else {
		var detect = navigator.userAgent.toLowerCase();
		var index = detect.indexOf("windows") + 8;
		var end1 = detect.indexOf(";", index);
		var end2 = detect.indexOf(")", index);
		var end3 = detect.indexOf("-", index);
		var end = (end1 != -1) ? end1 : (end2 != -1) ? end2 : (end3 != -1) ? end3 : 0;

		var IEVersion = parseFloat(detect.substring(detect.indexOf('msie') + 5));
		var OSVersion = navigator.userAgent.substring(index, end);
		var isNT = (detect.substr(index, 2) == "nt");
		if( (IEVersion < 6.0) || (isNT == true && (OSVersion == "NT 4.0" || OSVersion.length == 2)) ) {
location.href='warning.html';
		}
	}
	}