function warningValue(msg, obj) {
	alert(msg);
	
	if ( obj.disabled != true ) {
		obj.focus();
		obj.select();
	}
}

function trim ( str ) {
	regExp = /\S/
	
	if ( regExp.test(str) == false )
		return "";
	
	regExp = /(^\s*)(.*\S)(\s*$)/
	regExp.exec(str);
	
	return RegExp.$2;
}

function checkEmail( obj, msg )
{	
	var aEmail = obj.value;

	regExp1 = /(^[^@]+@[^@.]+\.[^@]+$)/
	regExp2 = /(\.\.)/
	
	if ( regExp1.test(aEmail) == false || regExp2.test(aEmail) == true ) {
		warningValue ( msg + "不是一个合法的email地址!", obj );
		return false;
	}
	
	return true;
}

function checkDate( aYearValue, aMonthValue, aDayValue )
{
	var yearValue = parseInt(aYearValue,10);
	var monthValue = parseInt(aMonthValue,10);
	var dayValue = parseInt(aDayValue,10);
		
	if ( isNaN(yearValue) || isNaN(monthValue) || isNaN(dayValue) ) {
		return false;
	}
		
	monthValue--;
		
	if ( yearValue >= 1900 && yearValue < 2000 )
		yearValue = yearValue-1900;
	
	var dateValue = new Date( yearValue, monthValue, dayValue );

	if ( dateValue.getDate() != dayValue || 
	     dateValue.getMonth() != monthValue ||
	     dateValue.getYear() != yearValue )
		return false;
	
	
	return true;
}

function parseDate( aDateStr, aDateSeq )
{
	var aYearValue="";
	var aMonthValue="";
	var aDayValue="";

	if ( aDateSeq == "" ) {	
		aYearValue = aDateStr.substring(0,4);
		aMonthValue = aDateStr.substring(4,6);
		aDayValue = aDateStr.substring(6,8);
	}
	else {
		var regPattern = "(" + "^[0-9]+"+")("+aDateSeq +")";
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aYearValue = RegExp.$1;

		regPattern = "("+aDateSeq+")("+"[0-9]+"+")("+aDateSeq+")"
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aMonthValue = RegExp.$2;

		regPattern = "("+aDateSeq+")("+"[0-9]+$"+")";
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aDayValue = RegExp.$2;
	}
	
	return new Date( aYearValue, aMonthValue-1, aDayValue );
}

function checkDateStr( aDateStr, aDateSeq )
{
	var aYearValue="";
	var aMonthValue="";
	var aDayValue="";

	if ( aDateSeq == "" ) {	
		aYearValue = aDateStr.substring(0,4);
		aMonthValue = aDateStr.substring(4,6);
		aDayValue = aDateStr.substring(6,8);
	}

	else {
		var regPattern = "(" + "^[0-9]+"+")("+aDateSeq +")";
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aYearValue = RegExp.$1;

		regPattern = "("+aDateSeq+")("+"[0-9]+"+")("+aDateSeq+")"
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aMonthValue = RegExp.$2;

		regPattern = "("+aDateSeq+")("+"[0-9]+$"+")";
		regExp = new RegExp(regPattern);
		if ( regExp.exec(aDateStr) != null )
			aDayValue = RegExp.$2;
	}
	
	return checkDate ( aYearValue, aMonthValue, aDayValue );
}

function checkValue ( obj, isNotNull, isNumber, minLength, maxLength, msg )
{

	var value = obj.value;
    
	if ( value.search("[^ \t]") == -1 ) {
		if ( isNotNull == true ) {
			warningValue ( msg + "不能为空或者空格!", obj );
		 	return false;
		}
		else
			return true;
	}
	
	if ( isNumber == true ) {
		 if ( value.search("[^0-9]") != -1 ) {
		 	warningValue ( msg + "必须为数字!", obj );
		 	return false;
		 }
	}
	
	if ( minLength != 0 && maxLength == minLength ) {
		if ( value.length != minLength ) {
			warningValue ( msg + "必须为" + minLength + "位!", obj );
		 	return false;
		 }
	}
	
	if ( minLength != 0 ) {
		if ( value.length < minLength ) {
			warningValue ( msg + "不能少于" + minLength + "位!", obj );
		 	return false;
		 }
	}
	
	if ( maxLength != 0 ) {
		if ( value.length > maxLength ) {
			warningValue ( msg + "不能多于" + maxLength + "位!", obj );
		 	return false;
		 }
	}
	
	return true;
}

function checkNumber(obj, msg)
{
	var value = obj.value;
	var floatValue = new Number(value);
	
	if ( trim(value) == "" ) {
		warningValue( msg + "不能为空", obj );
		return false;
	}
	
	if ( isNaN(floatValue) || floatValue < 0 ) {
		warningValue( msg + "不是一个合法的数额", obj );
		return false;
	}
	
	return true;
}

function checkAmount(obj, msg)
{
	if ( checkNumber(obj, msg) == false )
		return false;
	
	var value = obj.value;
	var floatValue = new Number(value);
	
	if ( floatValue == 0.0 ) {
		warningValue( msg + "不能为零", obj );
		return false;
	}
	
	return true;
}

function checkAmountValue(obj,maxValue,minValue,msg)
{
	if ( checkNumber(obj, msg) == false )
		return false;
	
	var value = obj.value;
	var floatValue = new Number(value);
	
	if ( floatValue == 0.0 ) {
		warningValue( msg + "不能为零", obj );
		return false;
	}
	
	if ( floatValue > maxValue ) {
		warningValue( msg + "不能大于"+maxValue, obj );
		return false;
	}

	if ( floatValue < minValue ) {
		warningValue( msg + "不能小于"+minValue, obj );
		return false;
	}


	return true;
}

function checkJPExchangValue ( obj,msg )
{
	var value = obj.value;		
	var index = value.indexOf(".");

	if (index!=-1 && (value.length-index-1)>2){
		warningValue( msg + "小数点后最多两位数字", obj );
		return false;
	}
	return true;
}

function checkFundID ( obj, isNotNull, msg )
{
	var value = obj.value;
	if ( value.search("[^ \t]") == -1 ) {
		if ( isNotNull == true ) {
			alert ( msg );
		 	return false;
		}
		else
			return true;
	}
}

//身份证验证
function checkIdCard(obj, sexual, isNotNull) {
    if (checkValue(obj, isNotNull, true, 15, 18, "身份证号码") == false) {
        return false;
    }
    
    var idNo = obj.value;
    if (idNo.length != 18 && idNo.length != 15) {
        alert("身份证号码有误");
        return false;
    } else {
        var year,month,day,a;
        if (idNo.length == 18) {
            year = idNo.substring(6,10);
            month = idNo.substring(10,12);
            day = idNo.substring(12,14);
            a = idNo.substring(16,17);
        } else if (idNo.length == 15) {
            year = "19" + idNo.substring(6,8);
            month = idNo.substring(8,10);
            day = idNo.substring(10,12);
            a = idNo.substring(14,15);
        }
        //出生年月判断
        if (checkDate(year, month, day) == false) {
            alert("身份证号码有误");
            return false;
        }
        //性别判断
        if (a % 2 == 0 && sexual == "m") {
            alert("身份证号码有误");
            return false;
        } else if (a % 2 == 1 && sexual == "f") {
            alert("身份证号码有误");
            return false;
        }
    }
}

function checkPassword ( password, username, email, idno, msg )
{		
	var charSet="";
	
	for ( var i=0; i < password.length; i++ ) {
		if ( charSet.indexOf(password.substring(i,i+1)) == -1 )
			charSet = charSet + password.substring(i,i+1);
	}

	var str = "0123456789", str1 = "9876543210";
	
	if ( charSet.length < 2 || str.indexOf(password) != -1 || str1.indexOf(password) != -1 ) {
		alert ( "您的" + msg + "太简单了!" );
		return false;
	}
	
	if ( idno.indexOf(password) != -1 ) {
		alert ( "您的" + msg + "不应该和证件号有关!" );
		return false;
	}
	
	regExp = /(^[^@]+@)/
	regExp.exec(email);
	if ( RegExp.$1.indexOf(password) != -1 ) {
		alert ( "您不应该使用email地址的用户名作为"+msg+"!" );
		return false;
	}
	
	return true;
}

function checkDateLimit(strStartObj,strEndObj,msg,forward){

       var strStartDate=strStartObj.value;
        if(checkDateStr(strStartDate,"-")==false){
          alert("日期格式有误");
          return false;
        }
        var sy=strStartDate.substring(0,4);
		var i=0;
		for (i=0; i<sy.length; i++)
			if (sy.charAt(i) != '0') break;
		sy=sy.substring(i);
    
		var sm=strStartDate.substring(5,7);
		for (i=0; i<sm.length; i++)
			if (sm.charAt(i) != '0') break;
		sm=sm.substring(i);
    
		var sd=strStartDate.substring(8,10);
		for (i=0; i<sd.length; i++)
			if (sd.charAt(i) != '0') break;
		sd=sd.substring(i);
    
		var sDate = new Date( parseInt(sy), parseInt(sm), parseInt(sd));
       
		var strEndDate = strEndObj.value;

		var sy=strEndDate.substring(0,4);
		for (i=0; i<sy.length; i++)
			if (sy.charAt(i) != '0') break;
				sy=sy.substring(i);

		var sm=strEndDate.substring(5,7);
		for (i=0; i<sm.length; i++)
			if (sm.charAt(i) != '0') break;
				sm=sm.substring(i);

		var sd=strEndDate.substring(8,10);
		for (i=0; i<sd.length; i++)
			if (sd.charAt(i) != '0') break;
				sd=sd.substring(i);

		var eDate = new Date( parseInt(sy), parseInt(sm), parseInt(sd));
        if(forward) {

                if(sDate.getTime() == eDate.getTime()){
                    alert(msg);
                    return false;
                }
            }
        
		if ( sDate.getTime() > eDate.getTime()) {
    		alert(msg);
    		return false;
		}
        return true;
}


function pbCheckNumber(obj, msg, isNotNull)
{
	var value = obj.value;
	var floatValue = new Number(value);
    
	if (isNotNull == true) {
        if ( trim(value) == "" ) {
            warningValue( msg + "不能为空", obj );
            return false;
        }
    }
    	
	if ( isNaN(floatValue) || floatValue < 0 ) {
		warningValue( msg + "不是一个合法的数额", obj );
		return false;
	}
	
	return true;
}

function pbCheckAmount(obj, msg, isNotNull, isZero)
{
	if ( pbCheckNumber(obj, msg, isNotNull) == false )
		return false;
	
	var value = obj.value;
	var floatValue = new Number(value);
	
    if (isZero == false) {
        if ( floatValue == 0.0 ) {
            warningValue( msg + "不能为零", obj );
            return false;
        }
    }	
	return true;
}