function getNaviVer(){
	var navigatorVers={};
	var ua = navigator.userAgent.toLowerCase();
	var s;
	(s = ua.match(/msie ([\d.]+)/)) ? navigatorVers.ie = s[1] :
	(s = ua.match(/firefox\/([\d.]+)/)) ? navigatorVers.firefox = s[1] :
	(s = ua.match(/chrome\/([\d.]+)/)) ? navigatorVers.chrome = s[1] :
	(s = ua.match(/opera.([\d.]+)/)) ? navigatorVers.opera = s[1] :
	(s = ua.match(/version\/([\d.]+).*safari/)) ? navigatorVers.safari = s[1] : 0;
	
	//ÒÔϽøÐвâÊÔ
	if (navigatorVers.ie) return ('IE:' + navigatorVers.ie);
	if (navigatorVers.firefox) return ('Firefox:' + navigatorVers.firefox);
	if (navigatorVers.chrome) return ('Chrome:' + navigatorVers.chrome);
	if (navigatorVers.opera) return ('Opera:' + navigatorVers.opera);
	if (navigatorVers.safari) return ('Safari:' + navigatorVers.safari);
	return "unknow";
}
function checkNaviVer(){
	if("Microsoft Internet Explorer"==navigator.appName){//ÈßÓà
		var vNaviVer=getNaviVer();
		if(vNaviVer.indexOf("IE:")>-1){
			if(parseInt(vNaviVer.split(":")[1])<8){
				//top.location.href='/CCBIS/V6/STY1/CN/error_IEVerTooLow.jsp';
				$('#tips_nav_vertoolow').get(0).style.display="block";
				var mask='<div id="naiVerTooLowMask" class="ccb_mask"></div>';
				$("body").css({"overflow":"hidden"}).append(mask);
			}
		}
	}
}