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_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) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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];}
}

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 bt(id,after) 
{ 
eval(id+'.filters.blendTrans.stop();'); 
eval(id+'.filters.blendTrans.Apply();'); 
eval(id+'.src="'+after+'";'); 
eval(id+'.filters.blendTrans.Play();'); 
} 
//*******************************************************************************************************************

function isnumeric(str){    // ¼ýÀÚ¸¸ ÀÖ´ÂÁö °Ë»ç
	for (i=0;  i<str.length; i++)
	{
		ch = str.charAt(i);
		if (ch < "0" || ch > "9")
      		return false; 
	}
	return true; 
  }

function isalnum(str)    // ¿µ¹®ÀÚ ¼ýÀÚ ÀÎÁö °Ë»ç
{
	var str0 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

	for (i=0; i<str.length; i++)
	{
		ch = str.charAt(i);
		for (j=0;  j<str0.length; j++)
      		if (ch == str0.charAt(j))
       			 break;
    	if (j == str0.length)			// ¿µ¹®¼ýÀÚ°¡ ¾Æ´Ñ°ÍÀÌ ÀÖÀ½
      		return false;
  	}
  	return true;
}



  function isspace(str){  // °ø¹éÀÌ ÀÖ´ÂÁö °Ë»ç
   
    var max = str.length;
	var ct = 0;
	for (i=0; i<str.length; i++){
		ch = str.charAt(i);
		if (ch == " "){
      		  ct++;
         }
	}

	if(ct == 0){
		return true;
	}
	else{
		return false;
	}

  }

function checkEmail(checkString){ 
  
	  var at = false; 
      var dot = false; 
 
     for (var i = 0; i < checkString.length; i++) { 
        
 		ch = checkString.substring(i, i + 1) 

        if((ch >= "A" && ch <= "Z") || (ch >= "a" && ch <= "z") || (ch == "@") || (ch == ".") || (ch == "_") || (ch == "-") || (ch >= "0" && ch <= "9")){ 
                if( ch == "@" ){ 
                    at=true;                 
                }
		else if( at == true && ch == "." ) { 
		     dot=true; 
	        } 
        } 
     } 
 
    if( at == true && dot == true ){ 
          return true; 
    }
    else{
          return false; 
    }
} 

 function check_ID_Window(ref) {
	  var id = document.member.id.value;
		
	  if(id == "") {
		 alert('¾ÆÀ̵𸦠ÀÔ·ÂÇØ ÁÖ¼¼¿ä');
		 document.member.id.focus();
		 return;
	  }
	  else{
			
			 window.open(ref +"?id=" + id,"checkIDWin",'width=270,height=120,status=no,top=100,left=100');
	  }
  }


 //###################################################  ÁֹΠ¹øÈ£ üũ

 function jumin_no_chk(ju1, ju2){

	 var chk =0;
	 var yy = ju1.substring(0,2);
	 var mm = ju1.substring(2,4);
	 var dd = ju1.substring(4,6);
	 var sex = ju2.substring(0,1);		
	 
	 if( isnumeric(ju1) == false || isnumeric(ju2) == false ){             
	     return false;
	 }
	 else if(ju1.length != 6 || ju2.length != 7){	   
	   	     return false;
	 }
	 else if(mm < 1 || mm >12 || dd < 1 || dd > 31 ){	 	
	
	     return false;
	 }
	 else if(sex != 1 && sex != 2){
		    return false;
	 }
	 else{

	       for (var i = 0; i <=5 ; i++){
	             chk = chk + ((i%8+2) * parseInt(ju1.substring(i,i+1)))
	       }
	       
	       for (var i = 6; i <=11 ; i++){
	             chk = chk + ((i%8+2) * parseInt(ju2.substring(i-6,i-5)))
	       }
	       
	       chk = 11 - (chk %11)
	       chk = chk % 10
	       
	       if (chk != ju2.substring(6,7)){
			 return false;
	       }
	       else {	
	             return true;
	       }	
       }
 }

//#######################################################################################################################################
 function survey_win(url) {
		pol_win = open(url, "poll", "status=no, width=300, height=300, resizable=no, scrollbars=yes, top=50, left=150");	
  }

// ¹è³Ê ·¹À̾î ž À§Ä¡
 function scroll(){ 
		var a=document.body.scrollTop+0
		// 70 Àº ¹è³ÊÀÇ ±âÁØÀ§Ä¡°¡ À§ÂÊ¿¡¼­ 70 Çȼ¿ ¶³¾îÁöµµ·Ï ¼³Á¤ÇÑ °ÍÀÔ´Ï´Ù 
		banner.style.top=a 
} 

 function openwindow(openurl){
	 window.open(openurl, 'roy', 'width=1000,heigh=500,scrollbars=yes,menubar=yes,toolbar=yes');
 }