function show() {
	var form  = document.form_payment;
	var layer = "showcode";

	if(form.paytype[0].checked) {
		eval(layer).style.display='block';
	} else {
		eval(layer).style.display='none';
	}
}

function check() {
	var form = document.form_payment;
	var emailEx1 = /^([A-Za-z0-9_-]{1,30})(@{1})([A-Za-z0-9_]{1,30})(.{1})([A-Za-z0-9_]{2,10})(.{1}[A-Za-z]{2,10})?(.{1}[A-Za-z]{2,10})?$/; 
	
	var paylen = form.elements["paytype"].length;

	if(paylen > 1) {
		if(form.paytype[0].checked ==false && form.paytype[1].checked ==false) {
			alert("°áÁ¦±¸ºÐÀ» ¸ÕÀú ¼±ÅÃÇØ ÁÖ¼¼¿ä.	");
			return false;
		}

		if( form.paytype[0].checked && form.order_code.value=="") {
			alert("ÁÖ¹®¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.	");
			form.order_code.focus();
			return false;
		} 
	}

	if( form.price.value=="" ) {
		alert("°áÁ¦ ±Ý¾×À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä. ");
		form.price.focus();
		return false;
	}

	if( isNaN(form.price.value) ) {
		alert("°áÁ¦ ±Ý¾×Àº ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù. ");
		form.price.value="";
		form.price.focus();
		return false;
	}

	if( form.name.value=="" ) {
		alert("°áÁ¦ÀÚ À̸§À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä ");
		form.name.focus();
		return false;
	}

	if( isNaN(form.jumin_1.value)) {
		alert("Áֹεî·Ï ¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù. ");
		form.jumin_1.focus();
		return false;
	}
	if( isNaN(form.jumin_2.value)) {
		alert("Áֹεî·Ï ¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù. ");
		form.jumin_2.focus();
		return false;
	}

  //ÁֹιøÈ£ À¯ÀÏÀ¯¹« üũ
	var strjumin1=form.jumin_1.value;
	var strjumin2=form.jumin_2.value;

	var a,b,c,d,e,f,g,h,i,j,k,l,m,sum,na,cha,check_no;

	a=parseInt(strjumin1.charAt(0));
	b=parseInt(strjumin1.charAt(1));
	c=parseInt(strjumin1.charAt(2));
	d=parseInt(strjumin1.charAt(3));
	e=parseInt(strjumin1.charAt(4));
	f=parseInt(strjumin1.charAt(5));

	g=parseInt(strjumin2.charAt(0));
	h=parseInt(strjumin2.charAt(1));
	i=parseInt(strjumin2.charAt(2));
	j=parseInt(strjumin2.charAt(3));
	k=parseInt(strjumin2.charAt(4));
	l=parseInt(strjumin2.charAt(5));
	m=parseInt(strjumin2.charAt(6));
	
	sum=a*2 + b*3 + c*4 + d*5 + e*6 + f*7 + g*8 + h*9 + i*2 + j*3 + k*4 + l*5;
	na=sum % 11;
	cha=11-na;
	check_no=cha%10;

	if(check_no !=m) {
		alert("Á¤È®ÇÑ Áֹεî·Ï ¹øÈ£¸¦ ÀÔ·Â Çϼ¼¿ä..");
		form.jumin_1.value="";
		form.jumin_2.value="";
		form.jumin_1.focus();
		return false;
		}
	if(strjumin1 =="111111" && strjumin2 =="1111118") {
		alert("Á¤È®ÇÑ Áֹεî·Ï ¹øÈ£¸¦ ÀÔ·Â Çϼ¼¿ä..");
		form.jumin_1.value="";
		form.jumin_2.value="";
		form.jumin_1.focus();
		return false;
	}

	// ÀüÈ­¹øÈ£ 
	if(form.tel_1.value=="" || form.tel_1.value.length <2){
		alert('ÀüÈ­ ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.tel_1.focus();
		return false;
	}
	if(form.tel_2.value=="" || form.tel_2.value.length <3){
		alert('ÀüÈ­ ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.tel_2.focus();
		return false;
	}
	if(form.tel_3.value=="" || form.tel_3.value.length <4){
		alert('ÀüÈ­ ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.tel_3.focus();
		return false;
	}

	// ÇÚµåÆù
	if(form.hp_1.value=="" || form.hp_1.value.length <3){
		alert('ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.hp_1.focus();
		return false;
	}
	if(form.hp_2.value=="" || form.hp_2.value.length <3){
		alert('ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.hp_2.focus();
		return false;
	}
	if(form.hp_3.value=="" || form.hp_3.value.length <4){
		alert('ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä');
		form.hp_3.focus();
		return false;
	}
		
	if(emailEx1.test(form.email.value)) {
	} else {
		alert('¸ÞÀÏ ÁÖ¼Ò°¡ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù.');
		form.email.value ="";
		form.email.focus();
		return false;
	} 

}