//取元素 用两个$是为了不与jquery冲突 function $$(s) {     return document.getElementById(s); } function setblue() {     //先写cookie     //writeCookie("ISCSSSTYLE", "css/CRM_blue.css", 365, true);     //设置新的css文件     $$("maincss").href = "css/CRM_blue.css";     //取主框架页,并重新设置css文件     //var childobj = window.parent.document.getElementById("ManagerMain").contentWindow;     //childobj.document.getElementById("maincss").href = "css/CRM_blue.css"; } function setgreen() {     //先写cookie     //writeCookie("ISCSSSTYLE", "css/CRM.css", 365, true);     //设置新的css文件     $$('maincss').href = "css/CRM.css";     //取主框架页,并重新设置css文件     //var childobj = window.parent.document.getElementById("ManagerMain").contentWindow;     //childobj.document.getElementById("maincss").href = "css/CRM.css"; } function setgray() {     //先写cookie     //writeCookie("ISCSSSTYLE", "css/CRM_gray.css", 365, true);     //设置新的css文件     $$('maincss').href = "css/CRM_gray.css";     //取主框架页,并重新设置css文件     //var childobj = window.parent.document.getElementById("ManagerMain").contentWindow;     //childobj.document.getElementById("maincss").href = "css/CRM_gray.css"; } function setActiveStyleSheet(title) {     //    var i, a, main;      //    for(i=0; (a = document.getElementsByTagName("link")[i]); i++)      //    {      //        if(a.getAttribute("rel").indexOf("style")!= -1 && a.getAttribute("title"))      //        {      //            a.disabled = true;      //            if(a.getAttribute("title") == title)      //            a.disabled = false;      //        }     //    }     //$$("maincss").attr("href", "css/CRM_blue.css");     //$$('maincss').href = "css/CRM_blue.css";     //设置css的文件     $$('maincss').href = title; } function getActiveStyleSheet() {     //    var i, a;      //    for(i=0; (a = document.getElementsByTagName("link")[i]); i++)      //    {      //        if(a.getAttribute("rel").indexOf("style")!= -1 &&      //         a.getAttribute("title") && !a.disabled)      //            return a.getAttribute("title");      //    }     //    return null;     var cssfile = $$('maincss').href;     //alert(cssfile);     return cssfile; } function getPreferredStyleSheet() {     //    var i, a;      //    for(i=0; (a = document.getElementsByTagName("link")[i]); i++)      //    {      //        if(a.getAttribute("rel").indexOf("style") != -1      //            && a.getAttribute("rel").indexOf("alt") == -1      //            && a.getAttribute("title"))      //            return a.getAttribute("title");      //    }     //    return null;     var cssfile = $$('maincss').href;     //alert(cssfile);     return cssfile; } function createCookie(name, value, days) {     if (days) {         var date = new Date();         date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));         var expires = "; expires=" + date.toGMTString();     }     else         expires = "";     document.cookie = name + "=" + value + expires + "; path=/"; } function writeCookie(name, value, hours, escp) {     var expire = "";     if (hours != null) {         expire = new Date((new Date()).getTime() + hours * 3600000);         expire = "; expires=" + expire.toGMTString();     }     if (escp == "True") {         document.cookie = name + "=" + value + expire;     } else {         document.cookie = name + "=" + escape(value) + expire;     } } function readCookie(name) {     var nameEQ = name + "=";     var ca = document.cookie.split(';');     for (var i = 0; i < ca.length; i++) {         var c = ca[i];         while (c.charAt(0) == ' ')             c = c.substring(1, c.length);         if (c.indexOf(nameEQ) == 0)             return c.substring(nameEQ.length, c.length);     }     return null; } $(document).ready(function() {     //var title = readCookie("ISCSSSTYLE");     //var title = "css/CRM_blue.css";     //if (title != null && title != "undefined") {     //    setActiveStyleSheet(title);     //} });