<!--
				function chkRadio(form, field, name)
				{
				var sum=0;

				for (i=0;i<field.length;i++) {
					if(field[i].checked == false){
					sum +=sum;
					}
					else{
					sum = sum+1;
					break;
					}
				}
				if(sum ==0){
				alert(name); 
				return false;
					}
					else {
					return true;
					}
			
				}

				function chkCheckbox(form, field, name, name2)
				{
				
				var count=0;
					for (i=0;i<field.length;i++) {
					if (field[i].checked) count++;
					}
					if(count==0) {
					alert(name);
					return false;
					}
					else if(count >= 3) {
					alert(name2);
					return false;
					}
					else{
					return true;
					}

				}

				function chkCheckbox2(form, name)
				{
				
					var count=0;
					for (i=0;i<form.elements.length;i++) {
					if (form.elements[i].checked) count++;
					}
					if(!count) {
					alert(name);
					return false;
					}
					else{
					return true;
					}

				}


function isEmpty( data )
{
   for ( var i = 0 ; i < data.length ; i++ )
   {
      if ( data.substring( i, i+1 ) != " ")
         return false;
   }
   return true;
}

// 알파벳과 숫자만
function isNotAlphaNumeric(field,error_msg)
{

   for (var i=0; i < field.value.length; i++)
   {
      if ( ( (field.value.charAt(i) < "0") || (field.value.charAt(i) > "9") ) &&
           ( ( (field.value.charAt(i) < "A") || (field.value.charAt(i) > "Z") ) &&
             ( (field.value.charAt(i) < "a") || (field.value.charAt(i) > "z") ) ) )
	  {
         alert(error_msg);
		 field.focus();
		 field.select();
		 return true;
	   }
   }

   return false;
}


function isNotNumber(field, error_msg)
{
	var val = field.value;

	if(isNaN(val) ) {
		if(error_msg.length > 0) {
			alert(error_msg);
			field.focus();
			field.select();
		}
		return true;
	} else {
		return false;
	}
}

// 필드(String) 길이 관련
function strLength(field)
{

   var Length = 0;

   var Nav = navigator.appName;
   var Ver = navigator.appVersion;

   var IsExplorer = false;

   var ch;

   if ( (Nav == 'Microsoft Internet Explorer') && (Ver.charAt(0) >= 4) )
   {
      IsExplorer = true;
   }

   if(IsExplorer)
   {

      for(var i = 0 ; i < field.value.length; i++)
      {

         ch = field.value.charAt(i);

         if ((ch == "\n") || ((ch >= "ㅏ") && (ch <= "히")) ||
             ((ch >="ㄱ") && (ch <="ㅎ")))
		{
	    	Length += 2;
		} else
		{
	    	Length += 1;
       	}

	  }

   }else {
      Length = field.value.length ;
   }

   return Length;
}

function isNotExactLength(field, len, error_msg) {
	if(strLength(field) != len) {
		alert(error_msg);
		field.focus();
		field.select();
		return true;
	}
	return false;
}

function isNotValidjumin(form) {

	
	strchr = form.jumin1.value.concat(form.jumin2.value);
	if (strchr.length == 13	) {
		nlength = strchr.length;

		num1 = strchr.charAt(0);
		num2 = strchr.charAt(1);
		num3 = strchr.charAt(2);
		num4 = strchr.charAt(3);
		num5= strchr.charAt(4);
		num6 = strchr.charAt(5);
		num7 = strchr.charAt(6);
		num8 = strchr.charAt(7);
		num9 = strchr.charAt(8);
		num10 = strchr.charAt(9);
		num11 = strchr.charAt(10);
		num12 = strchr.charAt(11);

		var total = (num1*2)+(num2*3)+(num3*4)+(num4*5)+(num5*6)+(num6*7)+(num7*8)+(num8*9)+(num9*2)+(num10*3)+(num11*4)+(num12*5);
		total = (11-(total%11)) % 10;
	//	if (total == 11) total = 1;
	//	if (total == 10) total = 0;

		if(total != strchr.charAt(12)) {
			alert("주민등록번호가 올바르지 않습니다. \n다시 입력해 주세요!");
			form.jumin1.value="";
			form.jumin2.value="";
			form.jumin1.focus();
			return true;
		}
		return false;
	}	else
		alert("주민등록번호가 올바르지 않습니다. \n다시 입력해 주세요!");
		form.jumin1.value="";
		form.jumin2.value="";
		form.jumin1.focus();
		return true;
}


function checkEmailValid(address){ 
	var emailpattern = /^[_a-zA-Z0-9-\.]+@[\.a-zA-Z0-9-]+\.[a-zA-Z]+$/;
    var result; 


    result = address.match(emailpattern); 

    if (result == null){ 
        return false;
    }
    else{
        return true;
    }


}

//-->