common.js

51控制温湿传感器源程序

/*
	[Discuz!] (C)2001-2009 Comsenz Inc.
	This is NOT a freeware, use is subject to license terms

	$Id: common.js 24745 2011-10-10 05:58:53Z monkey $
*/

var BROWSER = {};
var USERAGENT = navigator.userAgent.toLowerCase();
browserVersion({'ie':'msie','firefox':'','chrome':'','opera':'','safari':'','mozilla':'','webkit':'','maxthon':'','qq':'qqbrowser'});
if(BROWSER.safari) {
	BROWSER.firefox = true;
}
BROWSER.opera = BROWSER.opera ? opera.version() : 0;

HTMLNODE = document.getElementsByTagName('head')[0].parentNode;
if(BROWSER.ie) {
	BROWSER.iemode = parseInt(typeof document.documentMode != 'undefined' ? document.documentMode : BROWSER.ie);
	HTMLNODE.className = 'ie_all ie' + BROWSER.iemode;
}

var CSSLOADED = [];
var JSLOADED = [];
var JSMENU = [];
JSMENU['active'] = [];
JSMENU['timer'] = [];
JSMENU['drag'] = [];
JSMENU['layer'] = 0;
JSMENU['zIndex'] = {'win':200,'menu':300,'dialog':400,'prompt':500};
JSMENU['float'] = '';
var AJAX = [];
AJAX['url'] = [];
AJAX['stack'] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var CURRENTSTYPE = null;
var discuz_uid = isUndefined(discuz_uid) ? 0 : discuz_uid;
var creditnotice = isUndefined(creditnotice) ? '' : creditnotice;
var cookiedomain = isUndefined(cookiedomain) ? '' : cookiedomain;
var cookiepath = isUndefined(cookiepath) ? '' : cookiepath;
var EXTRAFUNC = [], EXTRASTR = '';
EXTRAFUNC['showmenu'] = [];

var DISCUZCODE = [];
DISCUZCODE['num'] = '-1';
DISCUZCODE['html'] = [];

var USERABOUT_BOX = true;
var USERCARDST = null;
var CLIPBOARDSWFDATA = '';
var NOTICETITLE = [];

if(BROWSER.firefox && window.HTMLElement) {
	HTMLElement.prototype.__defineSetter__('outerHTML', function(sHTML) {
			var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var df = r.createContextualFragment(sHTML);
		this.parentNode.replaceChild(df,this);
		return sHTML;
	});

	HTMLElement.prototype.__defineGetter__('outerHTML', function() {
		var attr;
		var attrs = this.attributes;
		var str = '<' + this.tagName.toLowerCase();
		for(var i = 0;i < attrs.length;i++){
			attr = attrs[i];
			if(attr.specified)
			str += ' ' + attr.name + '="' + attr.value + '"';
		}
		if(!this.canHaveChildren) {
			return str + '>';
		}
		return str + '>' + this.innerHTML + '</' + this.tagName.toLowerCase() + '>';
		});

	HTMLElement.prototype.__defineGetter__('canHaveChildren', function() {
		switch(this.tagName.toLowerCase()) {
			case 'area':case 'base':case 'basefont':case 'col':case 'frame':case 'hr':case 'img':case 'br':case 'input':case 'isindex':case 'link':case 'meta':case 'param':
			return false;
			}
		return true;
	});
}

function $(id) {
	return !id ? null : document.getElementById(id);
}

function $C(classname, ele, tag) {
	var returns = [];
	ele = ele || document;
	tag = tag || '*';
	if(ele.getElementsByClassName) {
		var eles = ele.getElementsByClassName(classname);
		if(tag != '*') {
			for (var i = 0, L = eles.length; i < L; i++) {
				if (eles[i].tagName.toLowerCase() == tag.toLowerCase()) {
						returns.push(eles[i]);
				}
			}
		} else {
			returns = eles;
		}
	}else {
		eles = ele.getElementsByTagName(tag);
		var pattern = new RegExp("(^|\\s)"+classname+"(\\s|$)");
		for (i = 0, L = eles.length; i < L; i++) {
				if (pattern.test(eles[i].className)) {
						returns.push(eles[i]);
				}
		}
	}
	return returns;
}

function _attachEvent(obj, evt, func, eventobj) {
	eventobj = !eventobj ? obj : eventobj;
	if(obj.addEventListener) {
		obj.addEventListener(evt, func, false);
	} else if(eventobj.attachEvent) {
		obj.attachEvent('on' + evt, func);
	}
}

function _detachEvent(obj, evt, func, eventobj) {
	eventobj = !eventobj ? obj : eventobj;
	if(obj.removeEventListener) {
		obj.removeEventListener(evt, func, false);
	} else if(eventobj.detachEvent) {
		obj.detachEvent('on' + evt, func);
	}
}

function browserVersion(types) {
	var other = 1;
	for(i in types) {
		var v = types[i] ? types[i] : i;
		if(USERAGENT.indexOf(v) != -1) {
			var re = new RegExp(v + '(\\/|\\s)([\\d\\.]+)', 'ig');
			var matches = re.exec(USERAGENT);
			var ver = matches != null ? matches[2] : 0;
			other = ver !== 0 && v != 'mozilla' ? 0 : other;
		}else {
			var ver = 0;
		}
		eval('BROWSER.' + i + '= ver');
	}
	BROWSER.other = other;
}

function getEvent() {
	if(document.all) return window.event;
	func = getEvent.caller;
	while(func != null) {
		var arg0 = func.arguments[0];
		if (arg0) {
			if((arg0.constructor  == Event || arg0.constructor == MouseEvent) || (typeof(arg0) == "object" && arg0.preventDefault && arg0.stopPropagation)) {
				return arg0;
			}
		}
		func=func.caller;
	}
	return null;
}

function isUndefined(variable) {
	return typeof variable == 'undefined' ? true : false;
}

function in_array(needle, haystack) {
	if(typeof needle == 'string' || typeof needle == 'number') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}

function trim(str) {
	return (str + '').replace(/(\s+)$/g, '').replace(/^\s+/g, '');
}

function strlen(str) {
	return (BROWSER.ie && str.indexOf('\n') != -1) ? str.replace(/\r?\n/g, '_').length : str.length;
}

function mb_strlen(str) {
	var len = 0;
	for(var i = 0; i < str.length; i++) {
		len += str.charCodeAt(i) < 0 || str.charCodeAt(i) > 255 ? (charset == 'utf-8' ? 3 : 2) : 1;
	}
	return len;
}

function mb_cutstr(str, maxlen, dot) {
	var len = 0;
	var ret = '';
	var dot = !dot ? '...' : '';
	maxlen = maxlen - dot.length;
	for(var i = 0; i < str.length; i++) {
		len += str.charCodeAt(i) < 0 || str.charCodeAt(i) > 255 ? (charset == 'utf-8' ? 3 : 2) : 1;
		if(len > maxlen) {
			ret += dot;
			break;
		}
		ret += str.substr(i, 1);
	}
	return ret;
}

function preg_replace(search, replace, str, regswitch) {
	var regswitch = !regswitch ? 'ig' : regswitch;
	var len = search.length;
	for(var i = 0; i < len; i++) {
		re = new RegExp(search[i], regswitch);
		str = str.replace(re, typeof replace == 'string' ? replace : (replace[i] ? replace[i] : replace[0]));
	}
	return str;
}

function htmlspecialchars(str) {
	return preg_replace(['&', '<', '>', '"'], ['&amp;', '&lt;', '&gt;', '&quot;'], str);
}

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' : '';
	}
}

function checkall(form, prefix, checkall) {
	var checkall = checkall ? checkall : 'chkall';
	count = 0;
	for(var i = 0; i < form.elements.length; i++) {
		var e = form.elements[i];
		if(e.name && e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
			e.checked = form.elements[checkall].checked;
			if(e.checked) {
				count++;
			}
		}
	}
	return count;
}

function setcookie(cookieName, cookieValue, seconds, path, domain, secure) {
	var expires = new Date();
	if(cookieValue == '' || seconds < 0) {
		cookieValue = '';
		seconds = -2592000;
	}
	expires.setTime(expires.getTime() + seconds * 1000);
	domain = !domain ? cookiedomain : domain;
	path = !path ? cookiepath : path;
	document.cookie = escape(cookiepre + cookieName) + '=' + escape(cookieValue)
		+ (expires ? '; expires=' + expires.toGMTString() : '')
		+ (path ? '; path=' + path : '/')
		+ (domain ? '; domain=' + domain : '')
		+ (secure ? '; secure' : '');
}

function getcookie(name, nounescape) {
	name = cookiepre + name;
	var cookie_start = document.cookie.indexOf(name);
	var cookie_end = document.cookie.indexOf(";", cookie_start);
	if(cookie_start == -1) {
		return '';
	} else {
		var v = document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end : document.cookie.length));
		return !nounescape ? unescape(v) : v;
	}
}

function Ajax(recvType, waitId) {

	for(var stackId = 0; stackId < AJAX['stack'].length && AJAX['stack'][stackId] != 0; stackId++);
	AJAX['stack'][stackId] = 1;

	var aj = new Object();

	aj.loading = '请稍候...';
	aj.recvType = recvType ? recvType : 'XML';
	aj.waitId = waitId ? $(waitId) : null;

	aj.resultHandle = null;
	aj.sendString = '';
	aj.targetUrl = '';
	aj.stackId = 0;
	aj.stackId = stackId;

	aj.setLoading = function(loading) {
		if(typeof loading !== 'undefined' && loading !== null) aj.loading = loading;
	};

	aj.setRecvType = function(recvtype) {
		aj.recvType = recvtype;
	};

	aj.setWaitId = function(waitid) {
		aj.waitId = typeof waitid == 'object' ? waitid : $(waitid);
	};

	aj.createXMLHttpRequest = function() {
		var request = false;
		if(window.XMLHttpRequest) {
			request = new XMLHttpRequest();
			if(request.overrideMimeType) {
				request.overrideMimeType('text/xml');
			}
		} else if(window.ActiveXObject) {
			var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
			for(var i=0; i<versions.length; i++) {
				try {
					request = new ActiveXObject(versions[i]);
					if(request) {
						return request;
					}
				} catch(e) {}
			}
		}
		return request;
	};

	aj.XMLHttpRequest = aj.createXMLHttpRequest();
	aj.showLoading = function() {
		if(aj.waitId && (aj.XMLHttpRequest.readyState != 4 || aj.XMLHttpRequest.status != 200)) {
			aj.waitId.style.display = '';
			aj.waitId.innerHTML = '<span><img src="' + IMGDIR + '/loading.gif" class="vm"> ' + aj.loading + '</span>';
		}
	};

	aj.processHandle = function() {
		if(aj.XMLHttpRequest.readyState == 4 && aj.XMLHttpRequest.status == 200) {
			for(k in AJAX['url']) {
				if(AJAX['url'][k] == aj.targetUrl) {
					AJAX['url'][k] = null;
				}
			}
			if(aj.waitId) {
				aj.waitId.style.display = 'none';
			}
			if(aj.recvType == 'HTML') {
				aj.resultHandle(aj.XMLHttpRequest.responseText, aj);
			} else if(aj.recvType == 'XML') {
				if(!aj.XMLHttpRequest.responseXML || !aj.XMLHttpRequest.responseXML.lastChild || aj.XMLHttpRequest.responseXML.lastChild.localName == 'parsererror') {
					aj.resultHandle('<a href="' + aj.targetUrl + '" target="_blank" style="color:red">内部错误，无法显示此内容</a>' , aj);
				} else {
					aj.resultHandle(aj.XMLHttpRequest.responseXML.lastChild.firstChild.nodeValue, aj);
				}
			}
			AJAX['stack'][aj.stackId] = 0;
		}
	};

	aj.get = function(targetUrl, resultHandle) {
		targetUrl = hostconvert(targetUrl);
		setTimeout(function(){aj.showLoading()}, 250);
		if(in_array(targetUrl, AJAX['url'])) {
			return false;
		} else {
			AJAX['url'].push(targetUrl);
		}
		aj.targetUrl = targetUrl;
		aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
		aj.resultHandle = resultHandle;
		var attackevasive = isUndefined(attackevasive) ? 0 : attackevasive;
		var delay = attackevasive & 1 ? (aj.stackId + 1) * 1001 : 100;
		if(window.XMLHttpRequest) {
			setTimeout(function(){
			aj.XMLHttpRequest.open('GET', aj.targetUrl);
			aj.XMLHttpRequest.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
			aj.XMLHttpRequest.send(null);}, delay);
		} else {
			setTimeout(function(){
			aj.XMLHttpRequest.open("GET", targetUrl, true);
			aj.XMLHttpRequest.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
			aj.XMLHttpRequest.send();}, delay);
		}
	};
	aj.post = function(targetUrl, sendString, resultHandle) {
		targetUrl = hostconvert(targetUrl);
		setTimeout(function(){aj.showLoading()}, 250);
		if(in_array(targetUrl, AJAX['url'])) {
			return false;
		} else {
			AJAX['url'].push(targetUrl);
		}
		aj.targetUrl = targetUrl;
		aj.sendString = sendString;
		aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
		aj.resultHandle = resultHandle;
		aj.XMLHttpRequest.open('POST', targetUrl);
		aj.XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		aj.XMLHttpRequest.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
		aj.XMLHttpRequest.send(aj.sendString);
	};
	return aj;
}

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;
}