util of javascript

jsutil.js

// Cookieに書き込む
function writeCookie(name, val, second){
    var term = second * 1000;
    var now = new Date();
    var limit = new Date();
    limit.setTime(limit.getTime() + term);
    document.cookie = name + "=" + escape(val) + "; path=/; expires=" + limit.toUTCString();
}

function insertAfter(target, newElem){
    var parent = target.parentNode;
    if(parent.lastChild == target){
        parent.appendChild(newElem);
    }
    else{
        parent.insertBefore(newElem, target.nextSibling);
    }
}

// 指定したCookieの値を返す
function readCookie(name){
	var str = document.cookie;
	if(str){
		var hash = Array();
		var c_array = str.split('; ');
		var c_cnt = c_array.length;
		for(i=0;i<c_cnt;i++){
			eq_array = c_array[i].split('=');
			if(name == eq_array[0]){
                if(eq_array[1] == ""){
                    return false;
                }else{
                    return unescape(eq_array[1]);
                }
            }
		}
	}
	return false;
}

function deleteCookie(key){
     var dt = new Date();
     var str = key + "=; path=/; expires=" + dt.toGMTString();
     document.cookie = str;
}

// ハッシュカウント
function hCount(hash){
       var cnt = 0;
       for(a in hash){
           cnt++;
       }
       return cnt;
}

// サニタイズ
function h(string) {
     return string.replace(/[&<>"']/g, function(match) {
          return {
               '&' : '&amp;',
               '<' : '&lt;',
               '>' : '&gt;',
               '"' : '&quot;',
               "'" : '&#39;'
          }[match];
     });
}

// GETを取得
function getQuery(){
    var qArray = new Array();
    var query = window.location.search.substring(1);
    var parms = query.split('&');
    for (var i=0; i<parms.length; i++) {
        var pos = parms[i].indexOf('=');
        if (pos > 0) {
            var key = parms[i].substring(0,pos);
            var val = parms[i].substring(pos+1);
            qArray[key] = val;
        }
    }
    return qArray;
}

function setClass(obj, name){
    if(window.ActiveXObject){
        if (window.XDomainRequest) {
            obj.setAttribute('class', name);
        } else {
            obj.setAttribute('className', name);
        }
    }else{
        obj.setAttribute('class', name);
    }
    return obj;
};

// Class名を取る
function getClass(obj, className){
    var name;
    try{
        // IE
        if(window.ActiveXObject){
            if(window.XDomainRequest){
                name = obj.getAttribute('class');
            }
            else{
                name = obj.getAttribute('className');
            }
        }
        // Except IE
        else{
            name = obj.getAttribute('class');
        }

        return name;
    }
    catch(e){
        return false;
    }
}

// Pathの連結 joinPath(http://abc.com/abc/aaa.html, ../abc.html)という感じで。
function joinPath(base,path){
    if(base.substr(base.length-1) != '/'){
        base = base.split('/');
        base.length--; 
        base = base.join('/'); 
    }else{
        base = base.substr(0,base.length-1); 
    }
    base = base.split('\\');
    while(0 == path.indexOf('../')){ 
        base.length--;
        path = path.substr(3); 
    } 
    base = base.join('/'); 
    base = base + '/' + path; 
    return base; 
} 

// ランダム文字列生成
var randStr = function(n, b) {
    b = b || '';
    var a = 'abcdefghijklmnopqrstuvwxyz'
        + 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
        + '0123456789'
        + b;
    a = a.split('');
    var s = '';
    for (var i = 0; i < n; i++) {
        s += a[Math.floor(Math.random() * a.length)];
    }
    return s;
};

// ブラウザを判別する
// return 8:IE  i:IE6,7  o:Opera  1:Firefox, Chrome, Safari  0:Unknown
function whichBrowser(){
    // IE
    if(window.ActiveXObject){
        if(window.XDomainRequest){
            // IE8
            browser = '8';
        }else{
            browser = 'i';
        }
    }
    // Opera
    else if(window.opera){
        browser = 'o';
    }
    // Firefox, Chrome, Safari
    else if(window.XMLHttpRequest){
        browser = '1';
    }
    // Unknown
    else{
        browser = '0';
    }

    return browser;
}

// 時刻フォーマットで時間取得
var getTimeformat = function(date_str){
    if (date_str == 0){
        var date = new Date();
    }
    else{
        var date = new Date(date_str);
    }

    // ミリ秒から時間変換
    /*
    var mil = 1318557375773; // ミリ秒
    var date = new Date();
    date.setTime(mil);
     */

    var d = {};

    // 日付の取得
    var year = date.getYear();
    var month = date.getMonth() + 1;
    var day = date.getDate();

    // 西暦の処理とゼロパディング
    year = (year < 2000) ? year+1900 : year;
    month = ('0' +month.toString()).slice(-2);
    day = ('0' +day.toString()).slice(-2);


    // 時間の取得
    var time = new Date();
    var hour = time.getHours();
    var min = time.getMinutes();
    var sec = time.getSeconds();

    // ゼロパディング
    if (hour < 10) { hour = "0" + hour.toString(); }
    if (min < 10) { min = "0" + min.toString(); }
    if (sec < 10) { sec = "0" + sec.toString(); }

    d.year = year.toString();
    d.month = month.toString();
    d.day = day.toString();
    d.hour = hour.toString();
    d.minute = min.toString();
    d.second = sec.toString();
    d.unix = date.getTime().toString();

    return d;
};