// JavaScript Document
var channelPlay = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var channelRec = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var autoSize = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
var audioControl = false;
var curSelChn = 0;
var ptzSelChn = 1;
var hue = {};
var Bright = {};
var Contrast = {};
var Saturation = {};
var Sharp = {};
var IEVersion = "19.01.17.5804";
var pluginVersion = "1.0.0.5782";
var g_bIsIE = !(/(msie\s|trident.*rv:)([\w.]+)/.exec(navigator.userAgent.toLowerCase()) == null);

var autoCloseTime = 10;

function DivBox(objMain, obj) {
	var $obj = $(obj);
	if (String($(objMain).prop("checked")) == "false") {
		$obj.find("select").prop("disabled", true);
		$obj.children().prop("disabled", true);
		if ($.browser.chrome) {
			$obj.find(":text").each(function () {
				$(this).attr("readonly", "true");
			});
			$obj.find(":password").each(function () {
				$(this).attr("readonly", "true");
			});
			$obj.find(".addTimeClick").each(function () {
				$(this).attr("black", "true");
			});
		} else {
			$obj.find(":text").each(function () {
				$(this).prop("readonly", "true");
			});
			$obj.find(":password").each(function () {
				$(this).prop("readonly", "true");
			});
			$obj.find(".addTimeClick").each(function () {
				$(this).prop("black", "true");
			});
		}
		if ($obj.css("display") != "none") $obj.fadeTo("slow", 0.2);
	} else {
		$obj.find("select").prop("disabled", false);
		if ($obj.css("display") != "none") {
			$obj.fadeTo("slow", 1, function () {
				//兼容safari处理
				$obj.css("filter", "");
			});
		}
		$obj.children().prop("disabled", false);
		if ($.browser.chrome) {
			$obj.find(":text").each(function () {
				$(this).removeAttr("readonly");
			});
			$obj.find(":password").each(function () {
				$(this).removeAttr("readonly");
			});
			$obj.find(".addTimeClick").each(function () {
				$(this).attr("black", "false");
			});
		} else {
			$obj.find(":text").each(function () {
				$(this).removeProp("readonly");
			});
			$obj.find(":password").each(function () {
				$(this).removeProp("readonly");
			});
			$obj.find(".addTimeClick").each(function () {
				$(this).prop("black", "false");
			});
		}
	}
}

function showDiv(objMain, obj) { //0显示，1隐藏
	var $obj = $(obj);
	if (objMain == 1) {
		$obj.find("select").prop("disabled", true);
		$obj.children().prop("disabled", true);
		$obj.find(":text").each(function () {
			$(this).attr("disabled", true);
		});
		$obj.find(":password").each(function () {
			$(this).attr("disabled", true);
		});
		if ($obj.css("display") != "none") $obj.fadeTo("slow", 0.2);
	} else {
		$obj.find("select").prop("disabled", false);
		if ($obj.css("display") != "none") {
			$obj.fadeTo("slow", 1, function () {
				//兼容safari处理
				$obj.css("filter", "");
			});
		}
		$obj.children().prop("disabled", false);
		$obj.find(":text").each(function () {
			$(this).attr("disabled", false);
		});
		$obj.find(":password").each(function () {
			$(this).attr("disabled", false);
		});
	}
}

Date.prototype.Format = function (fmt) {
	var o = {
		"M+": this.getMonth() + 1, //月份
		"d+": this.getDate(), //日
		"h+": this.getHours(), //小时
		"m+": this.getMinutes(), //分
		"s+": this.getSeconds(), //秒
		"q+": Math.floor((this.getMonth() + 3) / 3), //季度
		"S": this.getMilliseconds() //毫秒
	};
	if (/(y+)/.test(fmt))
		fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	for (var k in o)
		if (new RegExp("(" + k + ")").test(fmt))
			fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
	return fmt;
};


function NotifyActiveX(p) {
	if (p.object == null) {
		ShowDownloadPluginHyperLink();
		return;
	}
}

function ShowDownloadPluginHyperLink() {
	window.location.href = "html/webplugin.html";
}


function ShowPaop(title, contant) {
	if (typeof title != 'undefined' && typeof contant != 'undefined') {
		clearTimeout(gVar.nTimer);
		if ($("#MsgPaop").attr("name") != "in") {
			$("#MsgPaop").css("display", "").slideDown("slow").attr("name", "in");
		}
		$("#Paoptitle").prop("innerHTML", title);
		$("#PaopContant").prop("innerHTML", contant);
		setTimeout(function () {
			$("#PaopBg").css("background-position", "0 -38px");
			setTimeout(function () {
				$("#PaopBg").css("background-position", "0px -76px");
				setTimeout(function () {
					$("#PaopBg").css("background-position", "0 0")
				}, 200);
			}, 200);
		}, 200);
		gVar.nTimer = setTimeout(function () {
			HidePaop();
		}, 3000);
	}
	// }
}

function HidePaop() {
	$("#MsgPaop").fadeOut("slow").slideUp("slow", function () {
		$(this).css("display", "none");
	}).attr("name", "out");
}



function parseXmlFromStr(szXml) {
	if (null == szXml || '' == szXml) {
		return null;
	}
	var xmlDoc = new createxmlDoc();
	if (!$.browser.msie) {
		var oParser = new DOMParser();
		xmlDoc = oParser.parseFromString(szXml, "text/xml");
	} else {
		xmlDoc.loadXML(szXml);
	}
	return xmlDoc;

}

function createxmlDoc() {
	var xmlDoc;
	var aVersions = ["MSXML2.DOMDocument", "MSXML2.DOMDocument.5.0", "MSXML2.DOMDocument.4.0", "MSXML2.DOMDocument.3.0", "Microsoft.XmlDom"];

	for (var i = 0; i < aVersions.length; i++) {
		try {
			xmlDoc = new ActiveXObject(aVersions[i]);
			break;
		} catch (oError) {
			xmlDoc = document.implementation.createDocument("", "", null);
			break;
		}
	}
	xmlDoc.async = "false";
	return xmlDoc;

}

function Web_prompt(str) {
	$("#MaskLayout").hide();
	if (str == "" || str == null) {
		str = "can't find the language !";
	}
	$("#Web_false").text(str).css("color", "red");
	setTimeout('$("#Web_false").fadeIn("slow")', 500);
	setTimeout('$("#Web_false").fadeOut("slow")', 5000);
}

//IE下
function findNode(name, xml) {
	xml = '<a>' + xml + '</a>';
	xml = xml.split(name).join("p");
	xml = $(xml).find("p").html();
	return xml == null ? -1 : xml;
}

function findChildNode(name, child, xml) {
	var s = xml.indexOf(name);
	if (s == -1) {
		alert(lg.get("IDS_REFRESH_NONODE"));
		return;
	}
	s = s + name.length + 1;
	xml = xml.substring(s, xml.length);
	var e = xml.indexOf(name);
	if (e == -1) {
		alert(lg.get("IDS_REFRESH_NONODE"));
		return;
	}
	e = e - 2;
	xml = xml.substring(0, e);
	xml = '<a>' + xml + '</a>';
	//	xml = xml.split(child).join("p");
	xml = xml.split("<" + child + ">")[1].split("</" + child + ">")[0];
	//	xml.replace(/(^\s*)|(\s*$)/g, "&nbsp");
	//	xml = $(xml).find("p").html();
	return xml == null ? "" : xml;
}

//让文本框、文本域和密码框可以选择
function fbd() {
	var the = event.srcElement;
	//通过body的onselectstart属性，控制叶面内容的可选状态。
	//标签是 input text 以及 文本域textarea 的，均为可以选择项目。
	if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "password") || (the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
		return false;
	}
	return true;
}

//复制通道公共方法
function copyTD(displayDiv, checkboxIds, joinDiv, num) {
	if (typeof num == 'undefined') num = gDvr.nChannel;
	$(displayDiv).css("display", "block");
	var tempstr = "";
	var tempstr1 = "";
	var tempstr2 = "";
	var tempstr3 = "";
	if (num <= 8) {
		$('#' + joinDiv + '_2_2').css("display", "none");
		$('#' + joinDiv + '_3_3').css("display", "none");
		$('#' + joinDiv + '_4_4').css("display", "none");
	} else if (num <= 16) {
		$('#' + joinDiv + '_3_3').css("display", "none");
		$('#' + joinDiv + '_4_4').css("display", "none");
	} else if (num <= 24) {
		$('#' + joinDiv + '_4_4').css("display", "none");
	}
	var chnName = '';
	for (var i = 0; i < num; i++) {
		var inner = "";
		if ((i + 1).toString().length == 1) {
			chnName = lg.get("IDS_CH") + '0' + (i + 1);
			inner += '<div id="div_' + checkboxIds + (i + 1) + '" style="float:left;margin-left:10px;"><span class="span_check"><input type="checkbox" id="' + checkboxIds + '' + (i + 1) + '" value="' + (i + 1) + '"/></span><label>' + chnName + '</label></div>';
			if (i < 8) {
				tempstr += inner;
			} else {
				tempstr1 += inner;
			}
		} else {

			chnName = lg.get("IDS_CH") + (i + 1);

			if (i < 16) {
				tempstr1 += '<div id="div_' + checkboxIds + (i + 1) + '" style="float:left;margin-left:10px;"><span class="span_check"><input type="checkbox" id="' + checkboxIds + '' + (i + 1) + '" value="' + (i + 1) + '"/></span><label>' + chnName + '</label></div>';
			} else if (i < 24) {
				tempstr2 += '<div id="div_' + checkboxIds + (i + 1) + '" style="float:left;margin-left:10px;"><span class="span_check"><input type="checkbox" id="' + checkboxIds + '' + (i + 1) + '" value="' + (i + 1) + '"/></span><label>' + chnName + '</label></div>';
			} else {
				tempstr3 += '<div id="div_' + checkboxIds + (i + 1) + '" style="float:left;margin-left:10px;"><span class="span_check"><input type="checkbox" id="' + checkboxIds + '' + (i + 1) + '" value="' + (i + 1) + '"/></span><label>' + chnName + '</label></div>';
			}
		}
	}
	document.getElementById(joinDiv + "_1").innerHTML = tempstr;
	document.getElementById(joinDiv + "_2").innerHTML = tempstr1;
	if (gDvr.nChannel > 16 && gDvr.nChannel <= 24) {
		document.getElementById(joinDiv + "_3").innerHTML = tempstr2;
	}
	if (gDvr.nChannel > 24) {
		document.getElementById(joinDiv + "_3").innerHTML = tempstr2;
		document.getElementById(joinDiv + "_4").innerHTML = tempstr3;
	}
}

function CreateLiveBtn() {
	//live页面根据通道号生成通道
	if ($(".mclcontainer").attr("name") != "isDown") {
		return;
	}
	var liveHtml = "";
	for (var i = 1; i <= gDvr.nChannel; i++) {
		liveHtml += '<div class="liveChannelRow">\
						<div class="live_td">' + gDvr.chname[i - 1] + '</div>\
						<div id="liveChn_Play_' + i + '" class="play_div" title=' + lg.get("IDS_PLAY_ONOFF") + '></div>\
						<div id="liveChn_Rec_' + i + '" class="rec_div"  title=' + lg.get("IDS_RECORD_ONOFF") + '></div>\
						<div id="liveChn_Cap_' + i + '" class="cap_div" title=' + lg.get("IDS_BTN_CAP") + '></div>\
				</div>';
	}
	$("#liveleft").html(liveHtml);

	//回放页面根据通道生成通道号
	var leftHtml = "",
		rightHtml = "";
	for (var i = 1; i <= parseInt(gDvr.nChannel / 2); i++) {
		leftHtml += ("<div style='text-align:left; margin-left:30px; color:white;'> \
							<div id='pbCheck" + i + "'class='playBack_chks' style='color:white; width:24px; height:24px; background:url(../images/cbox.png) no-repeat;'></div>" +
			"<div style='float:left; margin-left:30px; margin-top:-20px;'>" + gDvr.chname[i - 1] + "</div>" +
			"</div>");
	}
	$("#playBack_td1").prop("innerHTML", leftHtml);

	for (var i = parseInt(gDvr.nChannel / 2) + 1; i <= gDvr.nChannel; i++) {
		rightHtml += ("<div style='text-align:left; margin-left:22px; color:white;'> \
							<div id='pbCheck" + i + "'class='playBack_chks' style='color:white; width:24px; height:24px; background:url(../images/cbox.png) no-repeat;'></div>" +
			"<div style='float:left; margin-left:30px; margin-top:-20px;'>" + gDvr.chname[i - 1] + "</div>" +
			"</div>");
	}
	$("#playBack_td2").prop("innerHTML", rightHtml);

	UI.Button("div[id^='liveChn_Play_']", 31, null, function (e, p) { //live页面左边栏按钮注册
		var $p = $(p);
		var str = $p.attr("id");
		var cmd = (str.split("_")[2] * 1 - 1);
		if (e.type == "mousedown") {
			if ($p.attr("name") != "active") {
				gDvr.PlayVideo(cmd, gVar.nStreamType);
				getOSDName(cmd);
				channelPlay[cmd] = 1;
				if (cmd == curSelChn) {
					showPTZ(cmd);
				}
				$p.css("background-position", "-31px 0px").attr("name", "active");
				$(".liveBtnBt2").css("background-position", "0px -31px");
			} else {
				gDvr.StopVideo(cmd);
				channelPlay[cmd] = 0;
				if (cmd == curSelChn) {
					hidePTZ(cmd);
				}
				$p.css("background-position", "0px 0px").attr("name", "");
				//点击left页面的play图标，关掉任何一个视频，Zoom图标都切到off状态
				if ($(".liveBtnBt11").attr("name") == "active") {
					$(".liveBtnBt11").css("background-position", "-32px 0px").attr("name", "");
				}
			}
			return false;
		}

		if ($p.attr("name") != "active") {
			return true;
		}
		return false;
	});

	UI.Button("div[id^='liveChn_Rec_']", 31, null, function (e, p) { //Rec页面左边栏按钮注册
		var $p = $(p);
		var str = $p.attr("id");
		var cmd = (str.split("_")[2] * 1 - 1);
		if (e.type == "mousedown") {
			if (channelPlay[cmd] == 1 && channelRec[cmd] != 1) {
				var nRet = gDvr.StartRecord(cmd);
				$p.css("background-position", "-31px -25px");
				channelRec[cmd] = 1;
				if (nRet != 0) {
					ShowPaop(lg.get("IDS_RECORD_SAVE_PATH"), lg.get("IDS_REC_ERR"));
				}
			} else if (channelRec[cmd] == 1) {
				gDvr.StopRecord(cmd);
				channelRec[cmd] = 0;
				$p.css("background-position", "0px -25px");
				var str = gDvr.GetLocalSettings();
				var xmlDoc = parseXmlFromStr(str);
				var strTemp = xmlDoc.getElementsByTagName("LocalSettings")[0].getAttribute("SelectDiskDriver");
				ShowPaop(lg.get("IDS_RECORD_SAVE_PATH"), "<div style='text-align:center;font-size: 14px'>" + strTemp + ":\\webclient2\\videos" + "</div><div><a color=red href='javascript:gDvr.JumpToFile(" + cmd + "," + "4" + "," + "1" + ")'>" + lg.get("IDS_PATH") + "</a></div>");
			}
		}
	});

	UI.Button("div[id^='liveChn_Cap_']", 31, null, function (e, p) { //CAP页面左边栏按钮注册
		var $p = $(p);
		var cmd = ($p.attr("id").split("_")[2] * 1 - 1);
		if (e.type == "mousedown") {
			if (channelPlay[cmd] == 1) {
				gDvr.CaptureImage(cmd);
				var str = gDvr.GetLocalSettings();
				var xmlDoc = parseXmlFromStr(str);
				var strTemp = xmlDoc.getElementsByTagName("LocalSettings")[0].getAttribute("SelectDiskDriver");
				ShowPaop(lg.get("IDS_IMAGE_SAVE_PATH"), "<div style='text-align:center;font-size: 14px'>" + strTemp + ":\\webclient2\\images" + "</div><a href='javascript:gDvr.JumpToFile(" + cmd + "," + "1" + "," + "0" + ")'>" + lg.get("IDS_PREVIEW") + "</a>&nbsp;&nbsp;&nbsp;<a href='javascript:gDvr.JumpToFile(" + cmd + "," + "1" + "," + "1" + ")'>" + lg.get("IDS_PATH") + "</a>");
			}
		}
		return true;
	});
}

//过滤方向键
function keyboardFilter(e) {
	e = e || window.event;
	if (!e.srcElement)
		e.srcElement = e.target;
	if ((e.keyCode >= 37 && e.keyCode <= 40) /*|| (e.keyCode == 8)*/ || (e.keyCode == 9)) { //取消 退格键 过滤
		return false;
	}
	return true;
}
//对端口进行限制
function NumberRangeLimt(ctrId, minVal, maxVal) {
	var str = ($("#" + ctrId.id).val()).replace(/\D/g, '');
	if (minVal != maxVal) {
		if (str != "" && str < minVal) {
			return minVal;
		}
		if (str > maxVal) {
			return maxVal;
		}
	}
	return str;
}

function Reset() {
	$("#username").val("");
	$("#passwd").val("");
	$("#login_language").val(gVar.lg);
	// $("#login_language").change();
	$("#username").focus();
}

function AutoClose(title) {
	autoCloseTime--;
	if (autoCloseTime <= 0) {
		if ($.browser.msie) {
			window.opener = null;
			window.open('', '_self', '');
			window.close();
		} else {
			window.location.reload(true);
		}
	}
	if ($.browser.msie) {
		ShowPaop(title, lg.get("IDS_DVR_REBOOT") + " " + autoCloseTime.toString() + " " + lg.get("IDS_SECOND"));
	} else {
		ShowPaop(title, lg.get("IDS_DVR_REBOOT") + " " + autoCloseTime.toString() + " " + lg.get("IDS_SECOND"));
	}
	window.setTimeout(function () {
		AutoClose(title);
	}, 1000);
}

function CreateCalendar(iType) {
	var szLanguage = '';
	if ($.cookie("language") == 'CHS') {
		szLanguage = 'zh-cn';
	} else if ($.cookie("language") == 'CHT') {
		szLanguage = 'zh-tw';
	} else {
		szLanguage = 'en';
	}
	if (iType == 0) {
		WdatePicker({
			startDate: '%y-%M-%d %h:%m:%s',
			dateFmt: 'yyyy-MM-dd HH:mm:ss',
			alwaysUseStartDate: false,
			minDate: '1970-01-01 00:00:00',
			maxDate: '2037-12-31 23:59:59',
			readOnly: true,
			lang: szLanguage,
			isShowClear: false
		});
	} else if (2 == iType) {
		WdatePicker({
			dateFmt: 'HH:mm:ss',
			alwaysUseStartDate: false,
			readOnly: true,
			lang: szLanguage,
			isShowClear: false
		});
	} else {
		WdatePicker({
			startDate: '%y-%M-%d %h:%m:%s',
			dateFmt: 'yyyy-MM-ddTHH:mm:ss',
			alwaysUseStartDate: false,
			minDate: '1970-01-01 00:00:00',
			maxDate: '2037-12-31 23:59:59',
			readOnly: true,
			lang: szLanguage,
			isShowClear: false
		});
	}
}


/*16进制颜色转为RGB格式*/
String.prototype.colorRgb = function(){
	var reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
	var sColor = this.toLowerCase();
	if(sColor && reg.test(sColor)){
		if(sColor.length === 4){
			var sColorNew = "#";
			for(var i=1; i<4; i+=1){
				sColorNew += sColor.slice(i,i+1).concat(sColor.slice(i,i+1));	
			}
			sColor = sColorNew;
		}
		//处理六位的颜色值
		var sColorChange = [];
		for(var i=1; i<7; i+=2){
			sColorChange.push(parseInt("0x"+sColor.slice(i,i+2)));	
		}
		return "rgb(" + sColorChange.join(",") + ")";
	}else{
		return sColor;	
	}
}

/*************************************************
 Function:        Base64
 Description:    Base64编码解码
 Input:            无
 Output:            无
 return:            无
 *************************************************/
var Base64 = {

	// private property
	_keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding
	encode: function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output + this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;
	},

	// public method for decoding
	decode: function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}

		}

		output = Base64._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding
	_utf8_encode: function (string) {
		string = string.replace(/\r\n/g, "\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			} else if ((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			} else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode: function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while (i < utftext.length) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			} else if ((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i + 1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			} else {
				c2 = utftext.charCodeAt(i + 1);
				c3 = utftext.charCodeAt(i + 2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}
};

function WidthCheck(str, maxLen){ 
	var w = 0; 
	var tempCount = 0; 
	//length 获取字数数，不区分汉子和英文 
	for (var i=0; i<str.value.length; i++) { 
		//charCodeAt()获取字符串中某一个字符的编码 
		var c = str.value.charCodeAt(i); 
		//单字节加1 
		if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f)) { 
			w++; 
		} else { 
			w+=2; 
		} 
		if (w > maxLen) { 
			str.value = str.value.substr(0,i); 
			break; 
		} 
	} 
}