var domainName="www.txt7.com.cn";


function setCookie(name,value,days) {
	if(days) {
  		var exp = new Date(); 
  		exp.setTime(exp.getTime() + days*24*60*60*1000);
	  	document.cookie = name + "="+ escape(value) +";expires="+ exp.toGMTString()+";path=/;domain=" + domainName;
	} else {
		document.cookie = name + "="+ escape(value)+";path=/;domain=" + domainName;
	}
}

function setBackground(color) {
	setCookie("color", color, 30);
	document.bgColor = "#" + color;
}

/*
 * 添加到收藏夹，跨浏览器
**/
var address = function (obj, url, title) {
    var e = window.event || arguments.callee.caller.arguments[0];    
    var B = {
        IE : /MSIE/.test(window.navigator.userAgent) && !window.opera
        , FF : /Firefox/.test(window.navigator.userAgent)
        , OP : !!window.opera
    };

    obj.onmousedown = null;
    
    if (B.IE) {
        obj.attachEvent("onmouseup", function () {
            try {
                window.external.AddFavorite(url, title);
                window.event.returnValue = false;
            } catch (exp) {}
        });
    } else {
        if (B.FF || obj.nodeName.toLowerCase() == "a") {
            obj.setAttribute("rel", "sidebar"), obj.title = title, obj.href = url;
        } else if (B.OP) {
            var a = document.createElement("a");
            a.rel = "sidebar", a.title = title, a.href = url;
            obj.parentNode.insertBefore(a, obj);
            a.appendChild(obj);
            a = null;
        }
    }
};