网页被访问次数方法

			var caution=false
			function setCookie(name,value,expires,path,domain,secure) 
				{
					var curCookie=name+"="+escape(value) +
						((expires)?";expires="+expires.toGMTString() : "") +
						((path)?"; path=" + path : "") +
						((domain)? "; domain=" + domain : "") +
						((secure)?";secure" : "")
					if(!caution||(name + "=" + escape(value)).length <= 4000)
						{
							document.cookie = curCookie
						}
					else if(confirm("Cookie exceeds 4KB and will be cut!"))
						{
							document.cookie = curCookie
						}
				}
			function getCookie(name) 
				{
					var prefix = name + "="
					var cookieStartIndex = document.cookie.indexOf(prefix)
					if (cookieStartIndex == -1)
						{
							return null
						} 
					var cookieEndIndex=document.cookie.indexOf(";",cookieStartIndex+prefix.length)
					if(cookieEndIndex == -1)
						{
							cookieEndIndex = document.cookie.length
						}
						return unescape(document.cookie.substring(cookieStartIndex+prefix.length,cookieEndIndex))
				}
			function deleteCookie(name, path, domain) 
				{
					if(getCookie(name)) 
						{
							document.cookie = name + "=" + 
							((path) ? "; path=" + path : "") +
							((domain) ? "; domain=" + domain : "") +
							"; expires=Thu, 01-Jan-70 00:00:01 GMT"
						}
				}
			function fixDate(date) 
				{
					var base=new Date(0)
					var skew=base.getTime()
					if(skew>0)
						{
							date.setTime(date.getTime()-skew)
						} 
				}
			var now=new Date()
			fixDate(now)
			now.setTime(now.getTime()+365 * 24 * 60 * 60 * 1000)
			var visits = getCookie("counter")
			if(!visits)
				{
					visits=1;
				} 
			else
				{
					visits=parseInt(visits)+1;
				} 
			setCookie("counter", visits, now)
			//document.write("您是到访的第" + visits + "位用户！")
			console.log("您是到访的第" + visits + "位用户！");