存取删cookies

		SetCookie:function(name,value) //存cookie
		{
		    var Days = 1;
		    var exp  = new Date();
		    exp.setTime(exp.getTime() + Days*24*60*60*1000);
		    document.cookie = name + "="+ escape (value) + ";id=N1;path=/;expires=" + exp.toGMTString();
		},
		getCookie:function(name)//取cookies函数        
		{
		    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
		     if(arr != null) return unescape(arr[2]); return null;
		},
		delCookie:function(name)//删除cookie
		{
		    var exp = new Date();
		    exp.setTime(exp.getTime() - 1);
		    var cval=adminHeader.getCookie(name);
		    if(cval!=null) document.cookie= name + "="+cval+";id=N1;path=/;expires="+exp.toGMTString();
		},