var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {

	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
	}

}
	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
		if(arr[index] == ele)
		found = true;
		else
		index++;
		return found;
	}
	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
	}


function check_value(form) {

  var num1=form.JUMINNO.value;
  var num2=form.JUMINNO2.value;		
   var numbers =num1+""+num2;
   var strings = form.USERNM.value;
   
   if( numbers == ""){
		alert("Áֹεî·Ï¹øÈ£¸¦ ÀÔ·ÂÇØ Áֽʽÿä.");
		form.JUMINNO.focus(); 	
		return false;
	}
	
   if( strings == ""){
		alert("¼º¸íÀ» ÀÔ·ÂÇØ Áֽʽÿä.");
		form.USERNM.focus(); 	
		return false;
	}
   
   for(i=0;i<strings.length;i++) {
        c = strings.charAt(i);   
        if(!((c < '0' || c > '9')&&(c < 'a' || c > 'z')&&(c < 'A' || c > 'Z'))){
           alert("¼º¸íÀº ÇÑ±Û ÀԷ¸¸ °¡´ÉÇÕ´Ï´Ù.");        
           form.USERNM.value="";
           form.USERNM.focus();
           return false;        
		}
	}	
   
   for(i=0;i<numbers.length;i++) {
        c = numbers.charAt(i);   
        if((c < '0' || c > '9')){
           alert("Áֹεî·Ï¹øÈ£´Â ¼ýÀÚÀÔ´Ï´Ù.");
           form.JUMINNO.value="";
		   form.JUMINNO2.value=""
		   form.JUMINNO.focus();        
           return false;        
        }
    }
    
	var sum=0;
	for(i=0;i<8;i++) { sum+=numbers.substring(i,i+1)*(i+2); }
	for(i=8;i<12;i++) { sum+=numbers.substring(i,i+1)*(i-6); }
		sum=11-(sum%11);
	if (sum>=10) { sum-=10; }
	if (numbers.substring(12,13) != sum || (numbers.substring(6,7) !=1 && numbers.substring(6,7) != 2)) {
			alert("Áֹεî·Ï¹øÈ£¿¡ ¿À·ù°¡ ÀÖ½À´Ï´Ù. ´Ù½Ã È®ÀÎÇϽʽÿÀ.");
			form.JUMINNO.value="";
			form.JUMINNO2.value="";
			form.JUMINNO.focus();
         	return false;
	}else{
			form.JUMINNO.value=numbers;	
           
	}
    
   	  

} 
function myFrmRst(form){
 form.JUMINNO.value="";
 form.JUMINNO2.value="";
 form.USERNM.value="";
 form.USERNM.focus();
 return ;
}