function chk_emp(ele){
	if (ele.value==""){
		alert ( ele.alt + " ¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä");
		ele.focus();
		return true;
	}
	else{
		return false;
	}
}


function onkeyCnt(x,y){

f = eval("document."+y) 

  if (isNaN(f.jumin1.value)) {
  alert ("¼ýÀÚ¸¸ ÀÔ·ÂÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
  f.jumin1.value = "";
  f.jimin1.focus();
  }

 if (isNaN(f.jumin2.value)) {
  alert ("¼ýÀÚ¸¸ ÀÔ·ÂÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
  f.jumin2.value = "";
  f.jimin2.focus();
  }

	
	if (x=="1")	{
		f_len = f.jumin1.value.length;
		if (f_len > 5){
			f.jumin2.focus();
			f.jumin2.select();
		}
	}
	else{
	
	f_len = f.jumin2.value.length;
		
		if (f_len > 6 ){
			Objstr = jumin_chk2(y)

			if (Objstr){
				str = "19" + f.jumin1.value.substring(0,2) + "/"
				str = str  + f.jumin1.value.substring(2,4) + "/"
				str = str  + f.jumin1.value.substring(4,6) 
			}
			else {
				alert("Áֹεî·Ï¹øÈ£°¡ ¸ÂÁö ¾Ê½À´Ï´Ù.")
				f.jumin1.focus();
				f.jumin1.select();
			}
		}		
	}
}


function jumin_chk2(x){
		f = eval("document."+ x )

		str1 = f.jumin1.value; 
        str2 = f.jumin2.value;
		if (str2.substring(0,1) == "3" || str2.substring(0,1) == "4"){

			yy = new Date()
			yy = (yy.getYear()).toString()
			yy = parseInt(yy.substring(2,4),10)


			if (parseInt(str1.substring(0,2),10) >= 0 && parseInt(str1.substring(0,2),10) <= yy)
				{
					return true
				}
			else{
					return false
				}

		}
		else{
	        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) { return false; } 
			else{return true}	
		}


}