// ·Ñ¿À¹ö À̹ÌÁö
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) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}
//-->

// Show Hide Layer
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->


function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  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; }
}
//-->


// È­¸é ÇÁ¸°Æ®
/*
function printscreen(theURL,winName,features) { //v2.0
  window.open('/etc/print.php?code=<?=$code?>&number=<?=$number?>','print','width=590,height=600,scrollbars=yes');
}
*/

//ȸ¿ø ¾à°ü üũ
function chkApproval() {
    var v = document.chkForm.approval;

    if( v[0].checked == true ) document.location.href = "/etc/join_step2.php";
    else alert('¾à°ü¿¡ µ¿ÀÇÇÏÁö ¾ÊÀ¸¸é ȸ¿ø °¡ÀÔÀ» ÇÒ ¼ö ¾ø½À´Ï´Ù.');
}


function openCal(obj) {
	var selDate;
	selDate=window.showModalDialog("/js/calendar.html", "", "dialogWidth:215px; dialogHeight:240px; status:no; center:1; help:no");
	if (typeof(selDate) != "undefined") {
		obj.value = selDate;
	}
}


function enterKey(fn){
	if(event.keyCode==13){
		fn;
	}
}



function chkDate(chkField,msg){
     var num = "1234567890";
     var chkDate = chkField.value;
	if(chkDate.length !=8 && chkDate.length!=10){
		if(chkDate.length <10){
		  alert(chkDate+":\n"+msg+"À» ³â¿ùÀÏ Çü½ÄÀ¸·Î ÀÔ·ÂÇØ ÁֽʽÿÀ.");
	   	  chkField.focus();
	      return false;
		}else{
		  alert(chkDate+":\n"+msg+"À» ³â-¿ù-ÀÏ Çü½ÄÀ¸·Î ÀÔ·ÂÇØ ÁֽʽÿÀ.");
	   	  chkField.focus();
	      return false;
		}
	}

	if(chkDate.length ==10){
		if(chkDate.substring(4,5) != "-" || chkDate.substring(7,8) != "-"){
			alert(chkDate+":\n"+msg+"À» ³â-¿ù-ÀÏ Çü½ÄÀ¸·Î ÀÔ·ÂÇØ ÁֽʽÿÀ.");
			chkField.focus();
			return false;
		}
		var yy=chkDate.substring(0,4);
		var mm=chkDate.substring(5,7);
		var dd=chkDate.substring(8,10);		
	}else{
		if(!isFinite(chkDate)){
			alert(chkDate+":\n"+msg+"À» ³â¿ùÀÏ Çü½ÄÀ¸·Î ÀÔ·ÂÇØ ÁֽʽÿÀ.");
			chkField.focus();
			return false;
		}
		var yy=chkDate.substring(0,4);
		var mm=chkDate.substring(4,6);
		var dd=chkDate.substring(6,8);	
	}



	var arrDaysInMonth = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
   	/* À±´Þüũ¸¦ ÇÏ´Â º¯¼ö */
   	var iDaysInMonth = (mm != 2) ? arrDaysInMonth[ mm - 1 ] : ( ( yy % 4 == 0 && yy % 100 != 0 || yy % 400 == 0) ? 29 : 28 );

   	if((mm <= 0 || mm > 12) || (dd <= 0 || dd > iDaysInMonth)) {
   		alert(yy+"³â "+mm+"¿ùÀº 1ÀϺÎÅÍ "+iDaysInMonth+"ÀϱîÁö Á¸ÀçÇÕ´Ï´Ù. "+msg+"À» ¹üÀ§ ³»¿¡¼­ ÀÔ·ÂÇØ ÁֽʽÿÀ.");
   		chkField.focus();
       	return false;
   	}
   	
	return true;
}


function chkNull(val, msg){
	if(val.value==""){
		alert(msg);
		val.focus();
		return false;
	}
	return true;
}