/*************************************************
	Validator v1.01
	http://www.cunite.com
*************************************************/
 Validator = {
	Require : /.+/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
	Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
	Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
	Currency : /^\d+(\.\d+)?$/,
	Number : /^\d+$/,
	Zip : /^[1-9]\d{5}$/,
	QQ : /^[1-9]\d{4,8}$/,
	Integer : /^[\+]?\d+$/,
	Double : /^[\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z]+$/,
	Chinese :  /^[\u0391-\uFFE5]+$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	Limit : "this.limit(value.length,getAttribute('min'),  getAttribute('max'))",
	LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
	Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
	Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
	Range : "getAttribute('min') < value && value < getAttribute('max')",
	Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
	Custom : "this.Exec(value, getAttribute('regexp'))",
	Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
	ErrorItem : [document.forms[0]],
	ErrorMessage : ["以下原因导致提交失败：\t\t\t\t"],
	Validate : function(theForm, mode){
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		this.ErrorMessage.length = 1;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
		for(var i=0;i<count;i++){
			with(obj.elements[i]){
				var _dataType = getAttribute("dataType");
				if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined")  continue;
				this.ClearState(obj.elements[i]);
				if(getAttribute("require") == "false" && value == "") continue;
				switch(_dataType){
					case "Date" :
					case "Repeat" :
					case "Range" :
					case "Compare" :
					case "Custom" :
					case "Group" :
					case "Limit" :
					case "LimitB" :
					case "SafeString" :
						if(!eval(this[_dataType]))	{
							this.AddError(i, getAttribute("msg"));
						}
						break;
					default :
						if(!this[_dataType].test(value)){
							this.AddError(i, getAttribute("msg"));
						}
						break;
				}
			}
		}
		if(this.ErrorMessage.length > 1){
			mode = mode || 1;
			var errCount = this.ErrorItem.length;
			switch(mode){
			case 2 :
				for(var i=1;i<errCount;i++)
					this.ErrorItem[i].style.color = "red";
			case 1 :
				alert(this.ErrorMessage.join("\n"));
				this.ErrorItem[1].focus();
				break;
			case 3 :
				for(var i=1;i<errCount;i++){
				try{
					var span = document.createElement("SPAN");
					span.id = "__ErrorMessagePanel";
					span.style.color = "red";
					this.ErrorItem[i].parentNode.appendChild(span);
					span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
					}
					catch(e){alert(e.description);}
				}
				this.ErrorItem[1].focus();
				break;
			default :
				alert(this.ErrorMessage.join("\n"));
				break;
			}
			return false;
		}
		return true;
	},
	limit : function(len,min, max){
		min = min || 0;
		max = max || Number.MAX_VALUE;
		return min <= len && len <= max;
	},
	LenB : function(str){
		return str.replace(/[^\x00-\xff]/g,"**").length;
	},
	ClearState : function(elem){
		with(elem){
			if(style.color == "red")
				style.color = "";
			var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
			if(lastNode.id == "__ErrorMessagePanel")
				parentNode.removeChild(lastNode);
		}
	},
	AddError : function(index, str){
		this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
		this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
	},
	Exec : function(op, reg){
		return new RegExp(reg,"g").test(op);
	},
	compare : function(op1,operator,op2){
		switch (operator) {
			case "NotEqual":
				return (op1 != op2);
			case "GreaterThan":
				return (op1 > op2);
			case "GreaterThanEqual":
				return (op1 >= op2);
			case "LessThan":
				return (op1 < op2);
			case "LessThanEqual":
				return (op1 <= op2);
			default:
				return (op1 == op2);
		}
	},
	MustChecked : function(name, min, max){
		var groups = document.getElementsByName(name);
		var hasChecked = 0;
		min = min || 1;
		max = max || groups.length;
		for(var i=groups.length-1;i>=0;i--)
			if(groups[i].checked) hasChecked++;
		return min <= hasChecked && hasChecked <= max;
	},
	IsDate : function(op, formatString){
		formatString = formatString || "ymd";
		var m, year, month, day;
		switch(formatString){
			case "ymd" :
				m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
				if(m == null ) return false;
				day = m[6];
				month = m[5]--;
				year =  (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
				break;
			case "dmy" :
				m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
				if(m == null ) return false;
				day = m[1];
				month = m[3]--;
				year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
				break;
			default :
				break;
		}
		if(!parseInt(month)) return false;
		month = month==12 ?0:month;
		var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
		function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
	}
 }


 //检测文本的最小输入长度
function checkMinLength(obj,len){
	if (obj.value.length<len){
		return false;
	}else{
		return true;
	}
}

//检测多行文本输入的最大长度,超过最大长度值不予显示
function checkMaxLength(event,obj, maxlength){
	var code = event.keyCode;
	if (obj && obj.value){
		if (obj.value.length>maxlength){
			obj.value = obj.value.substring(0,maxlength);
		}
		if (obj.value.length>=maxlength){
			if ((code>=33 && code<=40) || code==45 || code==46 || code==8)
				return true;
			else
				return false;
		}
		return true;
	}
	return true;
}

//提示其超过了最大长度
function checkTextAreaLength(obj,objname,len){
	if (obj.value.length>len){
		return objname+"最大长度为"+len+"个字符\n";
	}else{
		return "";
	}
}


//检测其输入的是否为正整数
function checkInteger(str){
	var arr=str.match(Validator.Integer);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}

//检测其输入的金额格式是否正确
function checkDouble(str){
	var arr=str.match(Validator.Double);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}

//检测邮件地址格式的正确性
function checkEmail(str){
	var arr=str.match(Validator.Email);
	if (arr!=null){
		return true;//格式正确
	}else{
		return false;//格式有误
	}
}

//验证是否为正确的邮件编码格式
/**
function checkZipcode(str){
	var arr=str.match(Validator.Zip);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}
*/

//验证是否为正确的电话号码格式
function checkPhone(str){
	var arr=str.match(Validator.Phone);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}
//验证是否为正确的手机号码格式
function checkMobile(str){
	var arr=str.match(Validator.Mobile);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}
//检则数值的范围
function checkLimit(len,min, max){
	min = min || 0;
	max = max || (Validator.Number.MAX_VALUE);
	return min <= len && len <= max;
}
//验证是否为正确的邮件编码格式
function checkZipcode(str){
	var arr=str.match(Validator.Zip);
	if (arr!=null){
		return true;
	}else{
		return false;
	}
}

/////////////////////////////////////////////////////////////
//                Base Functions
/////////////////////////////////////////////////////////////

function isIE() {
	if(document.all) return true;
	return false;
}

String.prototype.trim = function(){
    return this.replace("/(^\s*)|(\s*$)/g", "");
}

/////////////////////////////////////////////////////////////
//                Images Functions
/////////////////////////////////////////////////////////////
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/////////////////////////////////////////////////////////////
//                Validate Functions
/////////////////////////////////////////////////////////////
function isNumber(str) {
	var patn = new RegExp("^\\d{1,15}$");
	if (patn.test(str)) {
		return true;
	} else {
		return false;
	}
}

function getByteLength(str) {
	if (str == null) return 0;
	var l = str.length;
	var blen = 0;
	for(i=0; i<l; i++) {
		if ((str.charCodeAt(i) & 0xff00) != 0) {
			blen ++;
		}
		blen ++;
	}
	return blen;
}

function checkByteLength(str,minlen,maxlen) {
	if (str == null) return false;
	var l = str.length;
	var blen = 0;
	for(i=0; i<l; i++) {
		if ((str.charCodeAt(i) & 0xff00) != 0) {
			blen ++;
		}
		blen ++;
	}
	if (blen > maxlen || blen < minlen) {
		return false;
	}
	return true;
}

/*
function checkEmail(str){
	var patn = "/^[_a-zA-Z0-9\-]+(\.[_a-zA-Z0-9\-]*)*@[a-zA-Z0-9\-]+([\.][a-zA-Z0-9\-]+)+$/";
	return patn.test(str);
}
*/

/**检查字符串只允许中文、字母、数字、下划线 **/
function checkStr4Name(str){
    var re = new RegExp("^[\\u4e00-\\u9fa50-9A-Za-z\\w]*$", "");
    var flag = re.test(str);
    if(!flag){
        return false;
    }else{
	return true;
    }
}

/////////////////////////////////////////////////////////////
//                Charset Functions
/////////////////////////////////////////////////////////////
function utf16to8(str) {
    var out, i, len, c;

    out = "";
    len = str.length;
    for(i = 0; i < len; i++) {
	c = str.charCodeAt(i);
	if ((c >= 0x0001) && (c <= 0x007F)) {
	    out += str.charAt(i);
	} else if (c > 0x07FF) {
	    out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
	    out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
	    out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
	} else {
	    out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
	    out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
	}
    }
    return out;
}

function utf8to16(str) {
    var out, i, len, c;
    var char2, char3;

    out = "";
    len = str.length;
    i = 0;
    while(i < len) {
	c = str.charCodeAt(i++);
	switch(c >> 4)
	{
	  case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
	    // 0xxxxxxx
	    out += str.charAt(i-1);
	    break;
	  case 12: case 13:
	    // 110x xxxx   10xx xxxx
	    char2 = str.charCodeAt(i++);
	    out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
	    break;
	  case 14:
	    // 1110 xxxx  10xx xxxx  10xx xxxx
	    char2 = str.charCodeAt(i++);
	    char3 = str.charCodeAt(i++);
	    out += String.fromCharCode(((c & 0x0F) << 12) |
					   ((char2 & 0x3F) << 6) |
					   ((char3 & 0x3F) << 0));
	    break;
	}
    }

    return out;
}
//add window.onload event.
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != "function") {
		window.onload = func;
	} else {
		window.onload = function () {
			oldonload();
			func();
		};
	}
}