function jumin_check(j1,j2){
 //Á¤ÀÇ : Áֹεî·Ï¹øÈ£¹øÈ£ ¿À·ù üũ....ÀÚµ¿À¸·Î alert¶ç¿ò
 //»ç¿ë¹ý : ½ºÅ©¸³Æ®³»¿¡ jumin_check(ÁֹιøÈ£1°´Ã¼,ÁֹιøÈ£2°´Ã¼,ÆûÀ̸§)
 //         ¿¹ if (jumin_check(f.jumin1,f.jumin2)) {return;}
    str1 = j1.value
    str2 = j2.value
    
    if(str1=='999999' && str2=='9999999'){return false;}

    if(Number(str1)==0 || Number(str2)==0) { alert('ÁֹιøÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä'); j1.select() ; return true; }

	li_value = new Array(13);
	var li_lastid,li_mod,li_minus,li_last;
		
	li_lastid    = parseFloat(str2.substring(6,7));
	li_value[0]  = parseFloat(str1.substring(0,1))  * 2;
	li_value[1]  = parseFloat(str1.substring(1,2))  * 3;
	li_value[2]  = parseFloat(str1.substring(2,3))  * 4;
	li_value[3]  = parseFloat(str1.substring(3,4))  * 5;
	li_value[4]  = parseFloat(str1.substring(4,5))  * 6;
	li_value[5]  = parseFloat(str1.substring(5,6))  * 7;
	li_value[6]  = parseFloat(str2.substring(0,1))  * 8;
	li_value[7]  = parseFloat(str2.substring(1,2))  * 9;
	li_value[8]  = parseFloat(str2.substring(2,3))  * 2;
	li_value[9]  = parseFloat(str2.substring(3,4))  * 3;
	li_value[10] = parseFloat(str2.substring(4,5))  * 4;
	li_value[11] = parseFloat(str2.substring(5,6))  * 5;
	li_value[12] = 0;
	for(var i = 0; i < 12 ; i++){
		li_value[12] = li_value[12] + li_value[i];
	}
	li_mod = li_value[12] %11;
	li_minus = 11 - li_mod;
	li_last = li_minus % 10;
	if ( li_last != li_lastid){alert("ÁֹιøÈ£°¡ Ʋ·È½À´Ï´Ù.");j1.select();return true;}

}