function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function agree_checkInput (form) {
      	if (!form.custname.value) {
        	alert("½Ç¸íÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
        	form.custname.focus();	
        	return false;
        }        	
      	if (!form.memberid.value) {
        	alert("»ç¿ëÇÏ½Ç ID¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
         	form.memberid.focus();	
         	return false;
        }
      	if (!form.passwd.value) {
         	alert("»ç¿ëÇÏ½Ç ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
        	form.passwd.focus();	
        	return false;
        }
      	if (!form.repasswd.value) {
        	alert("ºñ¹Ð¹øÈ£ È®ÀÎÀ» À§ÇØ ´Ù½Ã Çѹø ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
        	form.repasswd.focus();	
        	return false;
        }         	
      	if (form.passwd.value != form.repasswd.value) {
        	alert("ÀÔ·ÂÇϽŠºñ¹Ð¹øÈ£°¡ ¼­·Î ¸ÂÁö ¾Ê½À´Ï´Ù.");
        	form.repasswd.focus();	
        	return false;
        }
      	if (!form.email_1.value) {
        	alert("E-Mail ÁÖ¼Ò¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
        	form.email_1.focus();	
        	return false;
        }     

        return true;
}
   
function IsID(formname) {
      	var form = eval("document.member_info." + formname);
      
      	if(form.value.length < 4 || form.value.length > 30) {
         	return false;
      	}
      	for(var i = 0; i < form.value.length; i++) {
         	var chr = form.value.substr(i,1);         
         	if((chr < '0' || chr > '9') && (chr < 'a' || chr > 'z')) {
            	return false;
         	}
      	}
      	return true;   
}

function IsPW(formname) {
      	var form = eval("document.member_info." + formname);
      
      	if(form.value.length < 4 || form.value.length > 30) {
         	return false;
      	}
      	for(var i = 0; i < form.value.length; i++) {
         	var chr = form.value.substr(i,1);         
         	if((chr < '0' || chr > '9') && (chr < 'a' || chr > 'z') && (chr < 'A' || chr > 'Z')) {
            	return false;
         	}
      	}
      	return true;   
}
         
function IsNumber(formname) {
      	var form = eval("document.signform." + formname);

      	for(var i = 0; i < form.value.length; i++) {
         	var chr = form.value.substr(i,1);
         	if(chr < '0' || chr > '9') {            
            	return false;
         	}
      	}
      	return true;   
}  

function ZipWindow(ref) {
      	var window_left = (screen.width-640)/2;
      	var window_top = (screen.height-480)/2;
      	ref = ref;      
      	window.open(ref,"zipWin",'width=550,height=200,status=no,top=' + window_top + ',left=' + window_left + '');
}   

function login_check(form){
      	if (!form.memberid.value) {
        	alert("»ç¿ëÀÚ ID¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
         	form.memberid.focus();	
         	return false;
        }
      	if (!form.passwd.value) {
         	alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
        	form.passwd.focus();	
        	return false;
        }
		form.submit();
		return true;
}

function card_form_check(form){		
   	if(!form.Recipient_name.value){
		alert('¹Þ´Â»ç¶÷ À̸§À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		form.Recipient_name.focus();
		return false;
	}
    if(!form.Recipient_email.value){
		alert('¹Þ´Â»ç¶÷ ¸ÞÀÏÁÖ¼Ò¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		form.Recipient_email.focus();
		return false;
	}
    if(!form.your_name.value){
		alert('º¸³»´Â»ç¶÷ À̸§À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		form.your_name.focus();
		return false;
	}
    if(!form.your_email.value){
		alert('º¸³»´Â»ç¶÷ ¸ÞÀÏÁÖ¼Ò¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		form.your_email.focus();
		return false;
	}	 
	if(!form.content1.value){
		alert('³»¿ëÀ»  ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		form.content1.focus();
		return false;
	}

	var str = form.content1.value;
	if((lib_strLeng(str) > 500) || (lib_strLeng(str) < 1)){
		alert("³»¿ëÀº ÇÑ±Û 250ÀÚ À̳»·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
       	form.content1.focus();
       	return false;
	}      		 
					
	form.submit();
}   		           
   
function form_reset(form) {
   	form.reset();
   	return false;
} 

function number_format(tot){
	var result =""
	for(var i=0; i<tot.length; i++) {
		var tmp = tot.length-(i+1)
		if(i%3==0 && i!=0) 
		result = ',' + result
		result = tot.charAt(tmp) + result
	}
	return result;
}