function isBrowserIeAndLower7() {
	var useragent = navigator.userAgent.toLowerCase();
	var isIe = useragent.indexOf("msie") != -1;
	var browserVersion = -1;
	if(isIe == true) {
		browserVersion = parseFloat(useragent.substring(useragent.indexOf('msie') + 4));
	}

	return (isIe && browserVersion < 7);
}