function confirm_delete(addr, action)
{
	var ans = confirm(action + 'ÇϽðڽÀ´Ï±î? ');
	if (ans) {
		location.replace(addr);
	}
	return false;
}

function check_focus(a)
{
	var form_name = eval('document.form.'+a);
	form_name.focus();
}


function getDayofMonth(name1, name2) { 
	var selectYear = eval('document.form.'+name1);
	var selectMonth = eval('document.form.'+name2);

	var monarr = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);  
	var year = selectYear.options[selectYear.selectedIndex].value; 
	var month = selectMonth.options[selectMonth.selectedIndex].value; 

	if(month.substring(0,1) == '0'){ 
		month = month.substring(1,2); 
	} 

	//À±³âÀÎÁö üũÇÑ´Ù.
	if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) monarr[1] = "29";  
		return monarr[month-1]; 
}

//¼±ÅÃµÈ ¿ù¿¡ ÀÇÇØ ÀûÁ¤ÇÑ Àϼö¸¦ ÁöÁ¤ÇÕ´Ï´Ù.
function ChangeDay(name1, name2, name3){
	var selectYear = eval('document.form.'+name1);
	var selectMonth = eval('document.form.'+name2);
	var selectDay = eval('document.form.'+name3);

	for(i = selectDay.length ; i>-1 ; i--) 
		selectDay.options[i] = null; 

	for(i=1;i<= getDayofMonth(name1, name2); i++){ 
		if(i <10){ i = "0" + i; } 
		value = i; 
		text = i; 
		optDay = new Option(value, text); 
		selectDay.options[selectDay.length] = optDay; 
	} 
	selectDay.selectedIndex = 0; 
}