// JavaScript Document
function IsEmpty(his)
{
   flag = true;
   for(var i=0;i<his.length;i++)
   {
      if(his.charAt(i)!=" ")
      { 
         flag = false; 
         break;
      }
   }
   return flag;
}

function isZIP( sValue )
{
	if( sValue == null )
	{
		return false;
	}
	
	if( sValue.length != 6 )
	{
		return false;
	}
	else
	{
		for( i = 0; i < 6; i ++ )
		{
			if( isDigital( sValue.charAt( i ) ) == false )
			{
				return false;
			}
		}
	}
	
	return true;
} 		

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


function IsTelephone(str)   
{
  for(ilen=0;ilen<str.length;ilen++)
  {
    if(str.charAt(ilen) < '0' || str.charAt(ilen) > '9' )
    {
		if((str.charAt(ilen)!='-')&&(str.charAt(ilen)!='*'))
        return false;
    }   
  }
  return true;
}

//IsDigital函数判断一个字符串是否由数字(int or long)组成 
function isDigital(str)   
{
  for(ilen=0;ilen<str.length;ilen++)
  {
    if(str.charAt(ilen) < '0' || str.charAt(ilen) > '9' )
    {
       return false;
    }   
  }
  return true;
}

// 检查是否是字符
// cCharacter：输入值
function isCharacter( cCharacter )
{
	var sFormat = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
	
	if( sFormat.indexOf( cCharacter, 0 ) == -1 )
	{
		return false;
	}
	
	return true;
}


// 检查是否是其它可以作名称的字符
// cCharacter：输入值
function isOtherNameCharacter( cCharacter )
{
	var sFormat = "_";
	
	if( sFormat.indexOf( cCharacter, 0 ) == -1 )
	{
		return false;
	}
	
	return true;
}
function isOtherNameCharacter1( cCharacter )
{
	var sFormat = "-";
	
	if( sFormat.indexOf( cCharacter, 0 ) == -1 )
	{
		return false;
	}
	
	return true;
}

function isOtherNameCharacter2( cCharacter )
{
	var sFormat = ".";
	
	if( sFormat.indexOf( cCharacter, 0 ) == -1 )
	{
		return false;
	}
	
	return true;
}


// 检查是否是可以作名称的字符
// sValue：输入值
function isNameCharacter( sValue )
{
	if( sValue == null )
	{
		return false;
	}
	
	for( i = 0; i < sValue.length; i ++ )
	{
		var cCharacter = sValue.charAt( i );
		if( isDigital( cCharacter ) == false && isCharacter( cCharacter ) == false && isOtherNameCharacter( cCharacter ) == false&& isOtherNameCharacter1( cCharacter ) == false&& isOtherNameCharacter2( cCharacter ) == false )
		{
			return false;
		}
	}
	
	return true;
}


// 检查是否是Email
// sValue：输入值，合法格式为a@b.c.d此类形式
function isEmail( sValue )
{
	var iFirstIndex = 0;
	var iSecondIndex = sValue.indexOf( '@' );
	if( iSecondIndex == -1 )
	{
		return false;
	}

	var sTemp = sValue.substring( iFirstIndex, iSecondIndex );
	if( isNameCharacter( sTemp ) == false )
	{
		return false;
	}
	
	iSecondIndex = sValue.indexOf( '.' );
	if( iSecondIndex == -1 || sValue.substring( sValue.length-1, sValue.length ) == '.' )
	{
		return false;
	}
	else if(  sTemp.length == sValue.length - 2 )	// The last two characters are '@' and '.'
	{
		return false;
	}
	else
	{
		var sTempValue = sValue;
		iSecondIndex = sValue.indexOf( '@' );
		while( iSecondIndex != -1 )
		{
			iFirstIndex = iSecondIndex + 1;
			sTempValue = sTempValue.substring( iFirstIndex, sTempValue.length );	// The right section of value
			iSecondIndex = sTempValue.indexOf( '.' );
			//document.write( "sTempValue=" + sTempValue + "<br>" );
			sTemp = sTempValue.substring( 0, iSecondIndex );
			//document.write( "sTemp=" + sTemp + "<br>" );
			if( isNameCharacter( sTemp ) == false )
			{
				return false;
			}
		}
		
		if( isNameCharacter( sTempValue ) == false )
		{
			return false;
		}
	}
	
	return true;
} 

/*
function CheckCardId(id_card){

   var Errors=new Array(
        "验证通过!",
		"身份证号码位数不对!",
		"身份证号码出生日期超出范围或含有非法字符!",
		"身份证号码校验错误!",
		"身份证地区非法!"
   );
   var idcard = id_card;
   var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"} 
   var Y,JYM;
   var S,M;
   var idcard_array = new Array();
   idcard_array = idcard.split("");
   //地区检验
   if(area[parseInt(idcard.substr(0,2))]==null){ 
		 return Errors[4];
   }
   //身份号码位数及格式检验 421023198512190734
   switch(idcard.length){
        case 15:
             if ( (parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 )){
                  ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//测试出生日期的合法性
             } else {
                  ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;//测试出生日期的合法性
             }
             if(ereg.test(idcard)){
			      //alert(Errors[0]);
                  return Errors[0];
             }else{
			      //alert(Errors[2]);
                  return Errors[2];
             }
             break;
			 
        case 18:
		     if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){
                 //闰年出生日期的合法性正则表达式
			     ereg=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/;
             } else {
      			 //平年出生日期的合法性正则表达式
                 ereg=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;
             }
		     if(ereg.test(idcard)){//测试出生日期的合法性
                //计算校验位
                S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7
                     + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9
                     + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10
                     + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5
                     + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8
                     + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4
                     + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2
                     + parseInt(idcard_array[7]) * 1
                     + parseInt(idcard_array[8]) * 6
                     + parseInt(idcard_array[9]) * 3 ;
                     Y = S % 11;
                     M = "F";
                     JYM = "10X98765432";
                     M = JYM.substr(Y,1);//判断校验位
                     if(M == idcard_array[17]){
                          //alert(Errors[0]); 
						  return Errors[0]; //检测ID的校验位
                     }else{
                          //alert(Errors[3]);
						  return Errors[3];
                     }
             }else{
			    //alert(Errors[2]);
                return Errors[2];
             }
             break;
        default:
		//alert(Errors[1])
        return Errors[1];
	    break;
  }
  
}
*/