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- /* $Id : utils.js 5052 2007-02-03 10:30:13Z weberliu $ */
- var Browser = new Object();
- Browser.isMozilla = (typeof document.implementation != 'undefined') && (typeof document.implementation.createDocument != 'undefined') && (typeof HTMLDocument != 'undefined');
- Browser.isIE = window.ActiveXObject ? true : false;
- Browser.isFirefox = (navigator.userAgent.toLowerCase().indexOf("firefox") != - 1);
- Browser.isSafari = (navigator.userAgent.toLowerCase().indexOf("safari") != - 1);
- Browser.isOpera = (navigator.userAgent.toLowerCase().indexOf("opera") != - 1);
- var Utils = new Object();
- Utils.htmlEncode = function(text)
- {
- return text.replace(/&/g, '&').replace(/"/g, '"').replace(/</g, '<').replace(/>/g, '>');
- }
- Utils.trim = function( text )
- {
- if (typeof(text) == "string")
- {
- return text.replace(/^\s*|\s*$/g, "");
- }
- else
- {
- return text;
- }
- }
- Utils.isEmpty = function( val )
- {
- switch (typeof(val))
- {
- case 'string':
- return Utils.trim(val).length == 0 ? true : false;
- break;
- case 'number':
- return val == 0;
- break;
- case 'object':
- return val == null;
- break;
- case 'array':
- return val.length == 0;
- break;
- default:
- return true;
- }
- }
- Utils.isNumber = function(val)
- {
- var reg = /^[\d|\.|,]+$/;
- return reg.test(val);
- }
- Utils.isInt = function(val)
- {
- if (val == "")
- {
- return false;
- }
- var reg = /\D+/;
- return !reg.test(val);
- }
- Utils.isEmail = function( email )
- {
- var reg1 = /([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)/;
- return reg1.test( email );
- }
- Utils.isMobile = function ( mobile )
- {
- var reg = /^1\d{10}$/; //11位数字,以1开头。
-
- return reg.test( mobile );
- }
- Utils.isTel = function ( tel )
- {
- var reg = /^[\d|\-|\s|\_]+$/; //只允许使用数字-空格等
- reg = /^(0[0-9]{2,3}-)?([2-9][0-9]{6,7})+(-[0-9]{1,4})?$/;
- return reg.test( tel );
- }
- Utils.fixEvent = function(e)
- {
- var evt = (typeof e == "undefined") ? window.event : e;
- return evt;
- }
- Utils.srcElement = function(e)
- {
- if (typeof e == "undefined") e = window.event;
- var src = document.all ? e.srcElement : e.target;
- return src;
- }
- Utils.isTime = function(val)
- {
- var reg = /^\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}$/;
- return reg.test(val);
- }
- Utils.x = function(e)
- { //当前鼠标X坐标
- return Browser.isIE?event.x + document.documentElement.scrollLeft - 2:e.pageX;
- }
- Utils.y = function(e)
- { //当前鼠标Y坐标
- return Browser.isIE?event.y + document.documentElement.scrollTop - 2:e.pageY;
- }
- Utils.request = function(url, item)
- {
- var sValue=url.match(new RegExp("[\?\&]"+item+"=([^\&]*)(\&?)","i"));
- return sValue?sValue[1]:sValue;
- }
- Utils.$ = function(name)
- {
- return document.getElementById(name);
- }
- function rowindex(tr)
- {
- if (Browser.isIE)
- {
- return tr.rowIndex;
- }
- else
- {
- table = tr.parentNode.parentNode;
- for (i = 0; i < table.rows.length; i ++ )
- {
- if (table.rows[i] == tr)
- {
- return i;
- }
- }
- }
- }
- document.getCookie = function(sName)
- {
- // cookies are separated by semicolons
- var aCookie = document.cookie.split("; ");
- for (var i=0; i < aCookie.length; i++)
- {
- // a name/value pair (a crumb) is separated by an equal sign
- var aCrumb = aCookie[i].split("=");
- if (sName == aCrumb[0])
- return decodeURIComponent(aCrumb[1]);
- }
- // a cookie with the requested name does not exist
- return null;
- }
- document.setCookie = function(sName, sValue, sExpires)
- {
- var sCookie = sName + "=" + encodeURIComponent(sValue);
- if (sExpires != null)
- {
- sCookie += "; expires=" + sExpires;
- }
- document.cookie = sCookie;
- }
- document.removeCookie = function(sName,sValue)
- {
- document.cookie = sName + "=; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
- }
- function getPosition(o)
- {
- var t = o.offsetTop;
- var l = o.offsetLeft;
- while(o = o.offsetParent)
- {
- t += o.offsetTop;
- l += o.offsetLeft;
- }
- var pos = {top:t,left:l};
- return pos;
- }
- function cleanWhitespace(element)
- {
- var element = element;
- for (var i = 0; i < element.childNodes.length; i++) {
- var node = element.childNodes[i];
- if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
- element.removeChild(node);
- }
- }
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