Collation of common array functions

/** * JSFrame Name:EasyJs * File Name:JSFrame * Date:2014-11-28  In the morning 10:50:09 * Copyright (c) 2014, China Link Communications LTD All Rights Reserved. * Author:by sicd * Describe: * Commonly used function of js code * */
 
/** 1、 Native JavaScript Achieve string length interception  2、 Native JavaScript Get domain name host  3、 Native JavaScript Clear spaces  4、 Native JavaScript Replace all  5、 Native JavaScript escape html label  6、 Native JavaScript Restore html label  7、 Native JavaScript Time date format conversion  8、 Native JavaScript Determine if it's a number type  9、 Native JavaScript Set up cookie value  10、 Native JavaScript obtain cookie value  11、 Native JavaScript Add favorites  12、 Native JavaScript Set as home page  13、 Native JavaScript Judge IE6 14、 Native JavaScript Load style file  15、 Native JavaScript Return script content  16、 Native JavaScript Clear script content  17、 Native JavaScript Loading script files dynamically  18、 Native JavaScript Back to press ID Retrieve the element object of  19、 Native JavaScript Return to browser version content  20、 Native JavaScript General method of element display  21、 Native JavaScript There is insertBefore Method , It's a pity that there is no insertAfter Method ? Use the following function to realize  22、 Native JavaScript Compatible with browser binding element events in  23、 Native JavaScript The cursor stops behind the text , Call when the text box gets focus  24、 Native JavaScript test URL Whether the link is valid  25、 Native JavaScript format CSS Style code  26、 Native JavaScript Compress CSS Style code  27、 Native JavaScript Get the current path  28、 Native JavaScriptIP To integer  29、 Native JavaScript The integer resolves to IP Address  30、 Native JavaScript Realization checkbox Choose all or none  31、 Native JavaScript Determine if the device is mobile  32、 Native JavaScript Determine whether mobile device access  33、 Native JavaScript Determine if Apple's mobile device is accessing  34、 Native JavaScript Determine whether Android mobile device access  35、 Native JavaScript Determine whether Touch The screen  36、 Native JavaScript Determine whether it's in Google browser on Android  37、 Native JavaScript Determine whether to open the window  38、 Native JavaScript Get mobile device initialization size  39、 Native JavaScript Get maximum mobile device size  40、 Native JavaScript Get the screen width of the mobile device  41、 Native JavaScript Perfect judge whether it's a website  42、 Native JavaScript Retrieve the element object based on the style name  43、 Native JavaScript Determine whether to start with a string  44、 Native JavaScript Determine whether to end with a string  45、 Native JavaScript return IE Version number of browser  46、 Native JavaScript Get page height  47、 Native JavaScript Access to the page scrollLeft 48、 Native JavaScript Get the page visible width  49、 Native JavaScript Get page width  **/
 
/** *  String length truncation  params: str: character string  length: length  */
function cutstr(str, length) {
    
    var temp;
    var icount = 0;
    var patrn = /[^\x00-\xff]/;
    var strre = "";
    for ( var i = 0; i < str.length; i++) {
    
        if (icount < len - 1) {
    
            temp = str.substr(i, 1);
            if (patrn.exec(temp) == null) {
    
                icount = icount + 1;
            } else {
    
                icount = icount + 2;
            }
            strre += temp;
        } else {
    
            break;
        }
    }
    return strre + "...";
}
 
/** *  Get domain name host  params: url: domain name  */
function getHost(url) {
    
    var host = "null";
    if (typeof url == "undefined" || null == url) {
    
        url = window.location.href;
    }
    var regex = /^\w+\:\/\/([^\/]*).*/;
    var match = url.match(regex);
    if (typeof match != "undefined" && null != match) {
    
        host = match[1];
    }
    return host;
}
 
/** *  Clear spaces   by String  Object add method  trim（）  This is compatible with browsers that do not support this method  */
if (!String.prototype.trim) {
    
    String.prototype.trim = function() {
    
        var reExtraSpace = /^\s*(.*?)\s+$/;
        return this.replace(reExtraSpace, "$1");
    };
}
 
/** *  Replace all , Replacement rules in many ways   by String  Object add method  replaceAll  Compatible browser  * *  The third parameter   Modifier   describe  i  Perform a match that is not case sensitive . g  Perform a global match （ Find all matches instead of stopping after finding the first one ）. m  Perform multi line matching . */
if (!String.prototype.replaceAll) {
    
    String.prototype.replaceAll = function(s1, s2, type) {
    
        return this.replace(new RegExp(s1, type), s2);
    };
}
 
/** *  escape html label  */
function htmlEncode(text) {
    
    return text.replace(/&/g, '&').replace(/\"/g, '"').replace(/</g,
            '<').replace(/>/g, '>');
}
 
/** *  Restore html label  */
function htmlDecode(text) {
    
    return text.replace(/&/g, '&').replace(/"/g, '\"').replace(
            /</g, '<').replace(/>/g, '>');
}
 
/** *  Time date format conversion  ( Change as needed , Whether to call the original method ,  Or rewrite ) */
if (!Date.prototye.format && !Date.prototype.Format) {
    
    Date.prototype.Format = function(formatStr) {
    
        var str = formatStr;
        var Week = [ ' Japan ', ' One ', ' Two ', ' 3、 ... and ', ' Four ', ' 5、 ... and ', ' 6、 ... and ' ];
        str = str.replace(/yyyy|YYYY/, this.getFullYear());
        str = str.replace(/yy|YY/,
                (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString()
                        : '0' + (this.getYear() % 100));
        str = str.replace(/MM/,
                (this.getMonth() + 1) > 9 ? (this.getMonth() + 1).toString()
                        : '0' + (this.getMonth() + 1));
        str = str.replace(/M/g, (this.getMonth() + 1));
        str = str.replace(/w|W/g, Week[this.getDay()]);
        str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate()
                .toString() : '0' + this.getDate());
        str = str.replace(/d|D/g, this.getDate());
        str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours()
                .toString() : '0' + this.getHours());
        str = str.replace(/h|H/g, this.getHours());
        str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes()
                .toString() : '0' + this.getMinutes());
        str = str.replace(/m/g, this.getMinutes());
        str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds()
                .toString() : '0' + this.getSeconds());
        str = str.replace(/s|S/g, this.getSeconds());
        return str;
    };
}
 
/** *  Determine if it's a number type  */
function isDigit(value) {
    
    var patrn = /^[0-9]*$/;
    if (patrn.exec(value) == null || value == "") {
    
        return false;
    } else {
    
        return true;
    }
}
 
/** *  Set up cookie value  escape(str)  Encode the value  unescape(str) decode  (ECMAScript v3  Against using this method , Application and use  * decodeURI()  and  decodeURIComponent()  Replace it .) * * param: * * name: name  * * value: Name corresponding value  * * path: In order to control cookie Directory that can be accessed   example ： path=/shop"; It means at present cookie Only in shop Use... In the directory （url Address ）. * * expires: Expiration time  F * domain :  Specify accessible cookie The host name   domain name  */
function setCookie(name, value, Hours) {
    
    var d = new Date();
    var offset = 8;
    var utc = d.getTime() + (d.getTimezoneOffset() * 60000);
    var nd = utc + (3600000 * offset);
    var exp = new Date(nd);
    exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);
    document.cookie = name + "=" + escape(value) + ";path=/;expires="
            + exp.toGMTString() + ";domain=sicd.com;";
}
 
/** *  obtain cookie value  unescape() It is not recommended to use   use  decodeURI() * */
function getCookie(name) {
    
    var arr = document.cookie
            .match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));
    if (arr != null)
        return unescape(arr[2]);
    return null;
}
 
/** *  Add favorites  */
function AddFavorite(sURL, sTitle) {
    
    try {
    
        window.external.addFavorite(sURL, sTitle);
    } catch (e) {
    
        try {
    
            window.sidebar.addPanel(sTitle, sURL, "");
        } catch (e) {
    
            alert(" Failed to join collection , Please use Ctrl+D Add ");
        }
    }
}
 
/** *  Set as home page  */
 
function setHomepage() {
    
    if (document.all) {
    
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage('http://***');
    } else if (window.sidebar) {
    
        if (window.netscape) {
    
            try {
    
                netscape.security.PrivilegeManager
                        .enablePrivilege("UniversalXPConnect");
            } catch (e) {
    
                alert(" The operation was rejected by the browser , If you want to enable this feature , Please enter... In the address field  about:config, Then put the item  signed.applets.codebase_principal_support  It's worth it true");
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1']
                .getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', 'http://***');
    }
}
 
/** *  Judge IE6  Set the background picture cache to solve the flicker problem  （ie6 The default background image is not cached ） * * document.execCommand()  usage   To learn about children's shoes, please visit : * http://www.cnblogs.com/sicd/p/4134641.html  Remember to like it  ^_^ */
var ua = navigator.userAgent.toLowerCase();
var isIE6 = ua.indexOf("msie 6") > -1;
if (isIE6) {
    
    try {
    
        document.execCommand("BackgroundImageCache", false, true);
    } catch (e) {
    
    }
}
 
/** *  Dynamic loading  CSS  The style file  */
function LoadStyle(url) {
    
    try {
    
        document.createStyleSheet(url);
    } catch (e) {
    
        var cssLink = document.createElement('link');
        cssLink.rel = 'stylesheet';
        cssLink.type = 'text/css';
        cssLink.href = url;
        var head = document.getElementsByTagName('head')[0];
        head.appendChild(cssLink);
    }
}
 
/** *  Return script content  */
function evalscript(s) {
    
    if (s.indexOf('<script') == -1)
        return s;
    var p = /<script[^\>]*?>([^\x00]*?)<\/script>/ig;
    var arr = [];
    while (arr = p.exec(s)) {
    
        var p1 = /<script[^\>]*?src=\"([^\>]*?)\"[^\>]*?(reload=\"1\")?(?:charset=\"([\w\-]+?)\")?><\/script>/i;
        var arr1 = [];
        arr1 = p1.exec(arr[0]);
        if (arr1) {
    
            appendscript(arr1[1], '', arr1[2], arr1[3]);
        } else {
    
            p1 = /<script(.*?)>([^\x00]+?)<\/script>/i;
            arr1 = p1.exec(arr[0]);
            appendscript('', arr1[2], arr1[1].indexOf('reload=') != -1);
        }
    }
    return s;
}
 
/** *  Clear script content  */
function stripscript(s) {
    
    return s.replace(/<script.*?>.*?<\/script>/ig, '');
}
 
/** *  Loading script files dynamically  */
function appendscript(src, text, reload, charset) {
    
    var id = hash(src + text);
    if (!reload && in_array(id, evalscripts))
        return;
    if (reload && $(id)) {
    
        $(id).parentNode.removeChild($(id));
    }
 
    evalscripts.push(id);
    var scriptNode = document.createElement("script");
    scriptNode.type = "text/javascript";
    scriptNode.id = id;
    scriptNode.charset = charset ? charset
            : (BROWSER.firefox ? document.characterSet : document.charset);
    try {
    
        if (src) {
    
            scriptNode.src = src;
            scriptNode.onloadDone = false;
            scriptNode.onload = function() {
    
                scriptNode.onloadDone = true;
                JSLOADED[src] = 1;
            };
            scriptNode.onreadystatechange = function() {
    
                if ((scriptNode.readyState == 'loaded' || scriptNode.readyState == 'complete')
                        && !scriptNode.onloadDone) {
    
                    scriptNode.onloadDone = true;
                    JSLOADED[src] = 1;
                }
            };
        } else if (text) {
    
            scriptNode.text = text;
        }
        document.getElementsByTagName('head')[0].appendChild(scriptNode);
    } catch (e) {
    
    }
}
 
/** *  Back to press ID Retrieve the element object of  */
try {
    
    if (typeof (eval('$')) == "function") {
    
    } else {
    
        function $(id) {
    
            return !id ? null : document.getElementById(id);
        }
    }
} catch (e) {
    
    function $(id) {
    
        return !id ? null : document.getElementById(id);
    }
}
 
/** *  Return to browser version  * *  Return an object , Object properties ：type,version */
 
function getExplorerInfo() {
    
    var explorer = window.navigator.userAgent.toLowerCase();
    // ie
    if (explorer.indexOf("msie") >= 0) {
    
        var ver = explorer.match(/msie ([\d.]+)/)[1];
        return {
    
            type : "IE",
            version : ver
        };
    }
    // firefox
    else if (explorer.indexOf("firefox") >= 0) {
    
        var ver = explorer.match(/firefox\/([\d.]+)/)[1];
        return {
    
            type : "Firefox",
            version : ver
        };
    }
    // Chrome
    else if (explorer.indexOf("chrome") >= 0) {
    
        var ver = explorer.match(/chrome\/([\d.]+)/)[1];
        return {
    
            type : "Chrome",
            version : ver
        };
    }
    // Opera
    else if (explorer.indexOf("opera") >= 0) {
    
        var ver = explorer.match(/opera.([\d.]+)/)[1];
        return {
    
            type : "Opera",
            version : ver
        };
    }
    // Safari
    else if (explorer.indexOf("Safari") >= 0) {
    
        var ver = explorer.match(/version\/([\d.]+)/)[1];
        return {
    
            type : "Safari",
            version : ver
        };
    }
}
 
/** *  Display element   To be verified  visibility hideen  Will hide elements , But it will occupy the scope  */
// function $(id) {
    
// return !id ? null : document.getElementById(id);
// }
function display(id) {
    
    var obj = $(id);
    if (obj.style.visibility) {
    
        obj.style.visibility = obj.style.visibility == 'visible' ? 'hidden'
                : 'visible';
    } else {
    
        obj.style.display = obj.style.display == '' ? 'none' : '';
    }
}
 
/** *  And insertBefore Method （ Already exists ） Corresponding insertAfter Method  * * */
function insertAfter(newChild, refChild) {
    
    var parElem = refChild.parentNode;
    if (parElem.lastChild == refChild) {
    
        refChild.appendChild(newChild);
    } else {
    
        parElem.insertBefore(newChild, refChild.nextSibling);
    }
}
 
/** *  Compatible browser binding element Events  * * obj： Elements  * * evt: Time name  * * fn: Trigger function  * */
 
function addEventSamp(obj, evt, fn) {
    
    if (obj.addEventListener) {
    
        obj.addEventListener(evt, fn, false);
    } else if (obj.attachEvent) {
    
        obj.attachEvent('on' + evt, fn);
    }
}
 
/** *  The cursor stops behind the text , Call when the text box gets focus  */
function focusLast() {
    
    var e = event.srcElement;
    var r = e.createTextRange();
    r.moveStart('character', e.value.length);
    r.collapse(true);
    r.select();
}
 
/** *  test URL Whether the link is valid  * * .Open("GET",URL, false) true: asynchronous ;false: Sync  */
function getUrlState(URL) {
    
    var suc = false;
    var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
    xmlhttp.Open("GET", URL, false);
    try {
    
        xmlhttp.Send();
    } catch (e) {
    
    } finally {
    
        var result = xmlhttp.responseText;
        if (result) {
    
            if (xmlhttp.Status == 200) {
    
                suc = true;
            } else {
    
                suc = false;
            }
        } else {
    
            suc = false;
        }
    }
    return suc;
}
 
/** *  format CSS Style code  */
function formatCss(s) {
    //  formatting code 
    s = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");
    s = s.replace(/;\s*;/g, ";"); //  Clear consecutive semicolons 
    s = s.replace(/\,[\s\.\#\d]*{
     /g, "{");
    s = s.replace(/([^\s])\{([^\s])/g, "$1 {\n\t$2");
    s = s.replace(/([^\s])\}([^\n]*)/g, "$1\n}\n$2");
    s = s.replace(/([^\s]);([^\s\}])/g, "$1;\n\t$2");
    return s;
}
 
/** *  Compress CSS Style code  */
function yasuoCss(s) {
    //  Compressed code 
    s = s.replace(/\/\*(.|\n)*?\*\//g, ""); //  Delete Note 
    s = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");
    s = s.replace(/\,[\s\.\#\d]*\{
     /g, "{"); //  Fault tolerant processing 
    s = s.replace(/;\s*;/g, ";"); //  Clear consecutive semicolons 
    s = s.match(/^\s*(\S+(\s+\S+)*)\s*$/); //  Take out the blanks 
    return (s == null) ? "" : s[1];
}
 
/** *  Get the current path  */
function getCurrentPageUrl() {
    
    var currentPageUrl = "";
    if (typeof this.href === "undefined") {
    
        currentPageUrl = document.location.toString().toLowerCase();
    } else {
    
        currentPageUrl = this.href.toString().toLowerCase();
    }
    return currentPageUrl;
}
 
/** * ip  turn   integer  */
function _ip2int(ip) {
    
    var num = 0;
    ip = ip.split(".");
    num = Number(ip[0]) * 256 * 256 * 256 + Number(ip[1]) * 256 * 256
            + Number(ip[2]) * 256 + Number(ip[3]);
    num = num >>> 0;
    return num;
}
 
/** *  The integer resolves to IP Address  */
function _int2iP(num) {
    
    var str;
    var tt = new Array();
    tt[0] = (num >>> 24) >>> 0;
    tt[1] = ((num << 8) >>> 24) >>> 0;
    tt[2] = (num << 16) >>> 24;
    tt[3] = (num << 24) >>> 24;
    str = String(tt[0]) + "." + String(tt[1]) + "." + String(tt[2]) + "."
            + String(tt[3]);
    return str;
}
 
/** *  Realization checkbox Choose all or none  */
function checkAll(selectAllBoxId, childBoxsId) {
    
    var selectall = document.getElementById(selectAllBoxId);
    var allbox = document.getElementsByName(childBoxsId);
    if (selectall.checked) {
    
        for ( var i = 0; i < allbox.length; i++) {
    
            allbox[i].checked = true;
        }
    } else {
    
        for ( var i = 0; i < allbox.length; i++) {
    
            allbox[i].checked = false;
        }
    }
}
 
/** *  Determine if the device is mobile  */
function isMobile() {
    
    if (typeof this._isMobile === 'boolean') {
    
        return this._isMobile;
    }
    var screenWidth = this.getScreenWidth();
    var fixViewPortsExperiment = rendererModel.runningExperiments.FixViewport
            || rendererModel.runningExperiments.fixviewport;
    var fixViewPortsExperimentRunning = fixViewPortsExperiment
            && (fixViewPortsExperiment.toLowerCase() === "new");
    if (!fixViewPortsExperiment) {
    
        if (!this.isAppleMobileDevice()) {
    
            screenWidth = screenWidth / window.devicePixelRatio;
        }
    }
    var isMobileScreenSize = screenWidth < 600;
    var isMobileUserAgent = false;
    this._isMobile = isMobileScreenSize && this.isTouchScreen();
    return this._isMobile;
}
 
/** *  Determine whether mobile device access  */
function isMobileUserAgent() {
    
    return (/iphone|ipod|android.*mobile|windows.*phone|blackberry.*mobile/i
            .test(window.navigator.userAgent.toLowerCase()));
}
 
/** *  Determine if Apple's mobile device is accessing  */
function isAppleMobileDevice() {
    
    return (/iphone|ipod|ipad|Macintosh/i.test(navigator.userAgent
            .toLowerCase()));
}
 
/** *  Determine whether Android mobile device access  */
function isAndroidMobileDevice() {
    
    return (/android/i.test(navigator.userAgent.toLowerCase()));
}
 
/** *  Determine whether Touch The screen  */
function isTouchScreen() {
    
    return (('ontouchstart' in window) || window.DocumentTouch
            && document instanceof DocumentTouch);
}
 
/** *  Determine whether it's in Google browser on Android  */
function isNewChromeOnAndroid() {
    
    if (this.isAndroidMobileDevice()) {
    
        var userAgent = navigator.userAgent.toLowerCase();
        if ((/chrome/i.test(userAgent))) {
    
            var parts = userAgent.split('chrome/');
 
            var fullVersionString = parts[1].split(" ")[0];
            var versionString = fullVersionString.split('.')[0];
            var version = parseInt(versionString);
 
            if (version >= 27) {
    
                return true;
            }
        }
    }
    return false;
}
 
/** *  Determine whether to open the window  */
function isViewportOpen() {
    
    return !!document.getElementById('wixMobileViewport');
}
 
/** *  Get mobile device initialization size  */
function getInitZoom(){
    
    if(!this._initZoom){
    
        var screenWidth = Math.min(screen.height, screen.width);
        if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){
    
            screenWidth = screenWidth/window.devicePixelRatio;
        }
        this._initZoom = screenWidth /document.body.offsetWidth;
    }
    return this._initZoom;
}
 
/** *  Get maximum mobile device size  */
function getZoom(){
    
    var screenWidth = (Math.abs(window.orientation) === 90) ? Math.max(screen.height, screen.width) : Math.min(screen.height, screen.width);
    if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){
    
        screenWidth = screenWidth/window.devicePixelRatio;
    }
    var FixViewPortsExperiment = rendererModel.runningExperiments.FixViewport || rendererModel.runningExperiments.fixviewport;
    var FixViewPortsExperimentRunning = FixViewPortsExperiment && (FixViewPortsExperiment === "New" || FixViewPortsExperiment === "new");
    if(FixViewPortsExperimentRunning){
    
        return screenWidth / window.innerWidth;
    }else{
    
        return screenWidth / document.body.offsetWidth;
    }
}
/** *  Get the screen width of the mobile device  */
function getScreenWidth(){
    
    var smallerSide = Math.min(screen.width, screen.height);
    var fixViewPortsExperiment = rendererModel.runningExperiments.FixViewport || rendererModel.runningExperiments.fixviewport;
    var fixViewPortsExperimentRunning = fixViewPortsExperiment && (fixViewPortsExperiment.toLowerCase() === "new");
    if(fixViewPortsExperiment){
    
        if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){
    
            smallerSide = smallerSide/window.devicePixelRatio;
        }
    }
    return smallerSide;
}
 
/** *  Perfect judge whether it's a website  */
function IsURL(strUrl) {
    
    var regular = /^\b(((https?|ftp):\/\/)?[-a-z0-9]+(\.[-a-z0-9]+)*\.(?:com|edu|gov|int|mil|net|org|biz|info|name|museum|asia|coop|aero|[a-z][a-z]|((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]\d)|\d))\b(\/[-a-z0-9_:\@&?=+,.!\/~%\$]*)?)$/i;
    if (regular.test(strUrl)) {
    
        return true;
    }
    else {
    
        return false;
    }
}
 
/** *  Retrieve the element object based on the style name  */
function getElementsByClassName(name) {
    
    var tags = document.getElementsByTagName('*') || document.all;
    var els = [];
    for (var i = 0; i < tags.length; i++) {
    
        if (tags[i].className) {
    
            var cs = tags[i].className.split(' ');
            for (var j = 0; j < cs.length; j++) {
    
                if (name == cs[j]) {
    
                    els.push(tags[i]);
                    break;
                }
            }
        }
    }
    return els;
}
 
/** *  Determine whether to start with a string  */
if(!String.prototype.startWith){
    
String.prototype.startWith = function (s) {
    
        return this.indexOf(s) == 0;
     };
}
 
/** *  Determine whether to end with a string  */
if(!String.prototype.endWith){
    
 String.prototype.endWith = function (s) {
    
         var d = this.length - s.length;
         return (d >= 0 && this.lastIndexOf(s) == d);
     };
}
 
/** *  return IE Version number of browser  */
function getIE(){
    
    if (window.ActiveXObject){
    
        var v = navigator.userAgent.match(/MSIE ([^;]+)/)[1];
        return parseFloat(v.substring(0, v.indexOf(".")));
    }
    return false;
}
 
/** *  Get page height  */
function getPageHeight(){
    
    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat"
            ? a
            : g.documentElement;
    return Math.max(f.scrollHeight, a.scrollHeight, d.clientHeight);
}
 
/** *  Access to the page scrollLeft */
function getPageScrollLeft(){
    
         var a = document;
         return a.documentElement.scrollLeft || a.body.scrollLeft;
     }
 
 
/** *  Get page width  */
function getPageWidth(){
    
    var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat"
            ? a
            : g.documentElement;
    return Math.max(f.scrollWidth, a.scrollWidth, d.clientWidth);
}
 
/** *  Access to the page scrollTop */    
 function getPageScrollTop(){
    
         var a = document;
         return a.documentElement.scrollTop || a.body.scrollTop;
     }
 
/** *  Get the visual height of the page  */
 function getPageViewHeight() {
    
        var d = document, a = d.compatMode == "BackCompat"
                ? d.body
                : d.documentElement;
        return a.clientHeight;
    }
 
 
 
 
 
 
 
/***************************** Add  ********************************************/
// Delete cookies 
 function delCookie(name) 
 {
     
     var exp = new Date(); 
     exp.setTime(exp.getTime() - 1); 
     var cval=getCookie(name); 
     if(cval!=null) 
         document.cookie= name + "="+cval+";expires="+exp.toGMTString(); 
 }