// JScript 文件

/**
*  全局变量
*/
var _ie6 = "msie 6.0";
var _ie7 = "msie 7.0";
var _ie8 = "msie 8.0";
var _ff = "firefox";

/**
*  获取浏览器名
*/
function getBrowserName() {
	return navigator.appName;
}

/**
*  获取浏览器详细信息
*/
function getBrowserAgent() {
	return navigator.userAgent;
}

/**
*  浏览器是否IE6
*/
function isIE6() {
	if (getBrowserAgent().toLowerCase().indexOf(_ie6) != -1)
		return true;

	return false;
}

/**
*  浏览器是否IE7
*/
function isIE7() {
	if (getBrowserAgent().toLowerCase().indexOf(_ie7) != -1)
		return true;

	return false;
}

function isIE8() {
	if (getBrowserAgent().toLowerCase().indexOf(_ie8) != -1)
		return true;

	return false;
}

function isIE() {
	return isIE6() || isIE7() || isIE8();
}

/**
*  浏览器是否FireFox
*/
function isFF() {
	if (getBrowserAgent().toLowerCase().indexOf(_ff) != -1)
		return true;

	return false;
}

/*
* 限制input只能输入数字(兼容IE和Firefox)
* onkeydown="inputOnlyNum(event);" onkeypress="checkIfNum(event);"
*/
function inputOnlyNum(myEvent) {
	var keys = myEvent.keyCode;
	if (!((keys >= 48 && keys <= 57) || (keys >= 96 && keys <= 105) || (keys == 8) || (keys == 46) || (keys == 37) || (keys == 39) || (keys == 13) || (keys == 229))) {
		keyIsNum = false;
	}
	else {
		keyIsNum = true;
	}

}
function checkIfNum(myEvent) {
	if (!keyIsNum) {
		if (document.all)
			myEvent.returnValue = false; //ie
		else
			myEvent.preventDefault(); //ff
	}

}


/** 
* 去除字符串str头尾的空格 
* @param str 字符串 
* @return str去除头尾空格后的字符串
*/
function trim(str) {
	if (str == null) return "";

	// 去除前面所有的空格 
	while (str.charAt(0) == ' ') {
		str = str.substring(1, str.length);
	}

	// 去除后面的空格 
	while (str.charAt(str.length - 1) == ' ') {
		str = str.substring(0, str.length - 1);
	}

	return str;
}

/**
*  获取url后面的参数
*  @sName:参数名
*/
function request(sName) {
	/*
	get last loc. of ?
	right: find first loc. of sName
	+2
	retrieve value before next &
	*/

	var sURL = new String(window.location);
	var iQMark = sURL.lastIndexOf('?');
	var iLensName = sName.length;

	//retrieve loc. of sName
	var iStart = sURL.indexOf('?' + sName + '=');  //limitation 1
	if (iStart == -1) {//not found at start
		iStart = sURL.indexOf('&' + sName + '='); //limitation 1
		if (iStart == -1) {
			return 0; //not found
		}
	}

	iStart = iStart + +iLensName + 2;
	var iTemp = sURL.indexOf('&', iStart); //next pair start
	if (iTemp == -1) { //EOF
		iTemp = sURL.length;
	}

	sURL = sURL.slice(iStart, iTemp);

	var index = sURL.indexOf("#");

	if (index != -1)
		return sURL.slice(0, index);

	return sURL;

	sURL = null;  //destroy String
}

/**
*  检查邮件地址是否合法
*  @mail:邮件地址
*/
function CheckMailFormat(mail) {
	var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
	return pattern.test(mail);
}

/**
*  检查密码是否合法
*  @pwd:密码明文 
*/
function CheckPwdValidate(pwd) {
	var pattern = /^([a-zA-Z0-9_])/;
	return pattern.test(pwd);
}

/**
*  重定向URL
*/
function openUrl(url) {
	window.location.href = url;
}

/**
*  MD5 hash算法
*  @sMessage: 加密明文
*  @return:   加密密文
*/
function MD5(sMessage) {
	function RotateLeft(lValue, iShiftBits) {
		return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
	}

	function AddUnsigned(lX, lY) {
		var lX4, lY4, lX8, lY8, lResult;
		lX8 = (lX & 0x80000000);
		lY8 = (lY & 0x80000000);
		lX4 = (lX & 0x40000000);
		lY4 = (lY & 0x40000000);
		lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
		if (lX4 & lY4) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
		if (lX4 | lY4) {
			if (lResult & 0x40000000) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
			else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
		} else return (lResult ^ lX8 ^ lY8);
	}

	function F(x, y, z) { return (x & y) | ((~x) & z); }

	function G(x, y, z) { return (x & z) | (y & (~z)); }

	function H(x, y, z) { return (x ^ y ^ z); }

	function I(x, y, z) { return (y ^ (x | (~z))); }

	function FF(a, b, c, d, x, s, ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	}

	function GG(a, b, c, d, x, s, ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	}

	function HH(a, b, c, d, x, s, ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	}

	function II(a, b, c, d, x, s, ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	}

	function ConvertToWordArray(sMessage) {
		var lWordCount;
		var lMessageLength = sMessage.length;
		var lNumberOfWords_temp1 = lMessageLength + 8;
		var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
		var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
		var lWordArray = Array(lNumberOfWords - 1);
		var lBytePosition = 0;
		var lByteCount = 0;
		while (lByteCount < lMessageLength) {
			lWordCount = (lByteCount - (lByteCount % 4)) / 4;
			lBytePosition = (lByteCount % 4) * 8;
			lWordArray[lWordCount] = (lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount) << lBytePosition));
			lByteCount++;
		}
		lWordCount = (lByteCount - (lByteCount % 4)) / 4;
		lBytePosition = (lByteCount % 4) * 8;
		lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
		lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
		lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
		return lWordArray;
	}

	function WordToHex(lValue) {
		var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
		for (lCount = 0; lCount <= 3; lCount++) {
			lByte = (lValue >>> (lCount * 8)) & 255;
			WordToHexValue_temp = "0" + lByte.toString(16);
			WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
		}
		return WordToHexValue;
	}

	var x = Array();
	var k, AA, BB, CC, DD, a, b, c, d
	var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
	var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
	var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
	var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
	// Steps 1 and 2. Append padding bits and length and convert to words
	x = ConvertToWordArray(sMessage);
	// Step 3. Initialise
	a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
	// Step 4. Process the message in 16-word blocks
	for (k = 0; k < x.length; k += 16) {
		AA = a; BB = b; CC = c; DD = d;
		a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
		d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
		c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
		b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
		a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
		d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
		c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
		b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
		a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
		d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
		c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
		b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
		a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
		d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
		c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
		b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
		a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
		d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
		c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
		b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
		a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
		d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
		c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
		b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
		a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
		d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
		c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
		b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
		a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
		d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
		c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
		b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
		a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
		d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
		c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
		b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
		a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
		d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
		c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
		b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
		a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
		d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
		c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
		b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
		a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
		d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
		c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
		b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
		a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
		d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
		c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
		b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
		a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
		d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
		c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
		b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
		a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
		d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
		c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
		b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
		a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
		d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
		c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
		b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
		a = AddUnsigned(a, AA); b = AddUnsigned(b, BB); c = AddUnsigned(c, CC); d = AddUnsigned(d, DD);
	}
	// Step 5. Output the 128 bit digest
	var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
	return temp.toLowerCase();
}

function focusText(o) {
	o.style.border = "1px solid #3388cc";
}

function blurText(o) {
	o.style.border = "1px solid #c3c3c3";
}

//******************************************************
// 判断类型
//******************************************************
function isAlien(a) {
	return isObject(a) && typeof a.constructor != 'function';
}


function isArray(a) {
	return isObject(a) && a.constructor == Array;
}

function isBoolean(a) {
	return typeof a == 'boolean';
}

function isEmpty(o) {
	var i, v;
	if (isObject(o)) {
		for (i in o) {
			v = o[i];
			if (isUndefined(v) && isFunction(v)) {
				return false;
			}
		}
	}
	return true;
}

function isFunction(a) {
	return typeof a == 'function';
}

function isNull(a) {
	return typeof a == 'object' && !a;
}

function isNumber(a) {
	return typeof a == 'number' && isFinite(a);
}

function isObject(a) {
	return (a && typeof a == 'object') || isFunction(a);
}

function isString(a) {
	return typeof a == 'string';
}

function isUndefined(a) {
	return typeof a == 'undefined';
}