function again()
{
	frm.reset()
	frm.name.focus()
}

// ¶óµð¿À¹Ú½º °ø¹éüũ
function radiochk(arg,alt)
{
	var len,item,i
	len = arg.length
	item = 0
	for(i=0; i<len; i++)
	{
		if(arg[i].checked)
		{
			item =i+1
			break
		}
	}
	if(item == 0) return false;
	else          return true;
}

// ¿ìÆí¹øÈ£ °Ë»öâ
function post_window(arg)
{
	window.open('post.php','','width=500,height=200,top=160,left=160,scrollbars=1,status=0');
}

function message(msg,f_name)
{
	alert(msg)
	f_name.value='';
	f_name.focus();
}

// °ø¹éÆû üũ
function frmcheck(mode)
{
	if (!frm.name.value)
	{
		message('À̸§À» ÀÔ·ÂÇϼ¼¿ä!',frm.name)
		return
	}

	if (!frm.email.value)
	{
		message('À̸ÞÀÏÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä!',frm.email)
		return
	}
	if(!emailcheck(frm.email.value))
	{
		message('¿Ã¹Ù¸¥ À̸ÞÀÏÇü½ÄÀÌ ¾Æ´Õ´Ï´Ù. ´Ù½Ã ÀÔ·ÂÇØ ÁÖ¼¼¿ä!',frm.email)
		return
	}

	// ÀüÈ­¹øÈ£ °ø¹é°Ë»ç for¹® 
	for(var i=1; i<=3; i++)
	{
		var f_tel = eval('frm.hp' + i)
		if (!f_tel.value)
		{
			alert('ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä!')
			f_tel.focus()
			return
		}
	}
	// ÀüÈ­¹øÈ£ Çü½Ä°Ë»ç for¹®
	for(var i=1; i<=3; i++)
	{
		var f_tel = eval('frm.hp' + i)
		if (!isnumber(f_tel))
		{
			alert('¼ýÀÚ¸¦ ÀÔ·ÂÇϼ¼¿ä!')
			f_tel.value=''
			f_tel.focus()
			return
		}
	}
	if(mode == '2')
	{
		var count = 0;
		for(i=0; i<frm.length; i++)
		{
			if(frm[i].checked == true) count++
		}
		if(count == 0)
		{
			alert('ÇÊ¿ä°Ë»çºÎºÐÀ» ¼±ÅÃÇϼ¼¿ä!')
			return
		}
	}
	else
	{
		if (!radiochk(frm.inq))
		{
			alert('¹®ÀÇó¸¦ ¼±ÅÃÇϼ¼¿ä!')
			return
		}
	}

	frm.submit()
}

// ¼ýÀÚÇü½Äüũ 
function isnumber(fname)
{
	var len = fname.value.length
	for(var i=0; i<len; i++)
	{
		var chr = fname.value.substr(i,1);
		if(chr<'0' || chr>'9') return false;
	}
	return true;
}

// À̸ÞÀÏÇü½Ä°Ë»ç
function emailcheck(fname) { 

var exclude=/[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/; 
var check=/@[\w\-]+\./; 
var checkend=/\.[a-zA-Z]{2,3}$/; 

   if(((fname.search(exclude) != -1)||(fname.search(check)) == -1)||(fname.search(checkend) == -1)){ 
           return false; 
   } 
   else { 
           return true; 
   } 
}

function all_selt() 
{
	var i, f_a, total, valu, val_base, val

	total = 0;
	for(i=0; i<frm.length; i++)
	{
		if(frm[i].type == 'checkbox')
		{
			frm[i].checked = true;
			f_a = eval('frm.a_' + i)
			valu = f_a.value
			val_base = valu.split('|')
			val = val_base[1]
			total += parseInt(val)
		}
	}
	frm.all.value = total
}

function all_dis() 
{
	var i
	for(i=0; i<frm.length; i++) frm[i].checked =false;

	frm.all.value = parseInt(0)
}

function jplus() 
{
	var i, f_a, total, valu, val_base, val

	total = 0;
	for(i=0; i<frm.length; i++)
	{
		if(frm[i].type == 'checkbox')
		{
			f_a = eval('frm.a_' + i)
			valu = f_a.value
			val_base = valu.split('|')
			val = val_base[1]
			if(frm[i].checked == true) total += parseInt(val)
		}
	}
	frm.all.value = total
}