function loginform_clearbg(field) {
      obj = eval("document.login_form." + field);
      if(field == 'passwd'){
        //obj.style.backgroundImage = '';
        $("#passwd").removeClass('login_passwd2');

        $("#passwd").addClass('login_passwd2');
      }else if(field == 'id'){
        //obj.style.backgroundImage = '';

        $("#id").removeClass('login_id');
        $("#id").addClass('login_id2');
      }
    }

    function loginform_bg(field) {
      f = document.login_form;
      if(field == 'passwd'){
        if(!f.passwd.value){
          //f.passwd.style.backgroundImage = 'url(/image/pro_main/passwd_text.gif)';
          //f.passwd.style.backgroundRepeat = 'no-repeat';

          $("#passwd").removeClass('login_passwd2');
          $("#passwd").addClass('login_passwd');
        }
      }else if(field == 'id'){
        if(!f.id.value){
          //f.id.style.backgroundImage = 'url(/image/pro_main/id_text.gif)';
          //f.id.style.backgroundRepeat = 'no-repeat';
          $("#id").removeClass('login_id2');

          $("#id").addClass('login_id');

        }
      }
    }

  $(function(){
//    $("#menu_add, #Menu ul li a, #close_btn").click(function(){
    $("#menu_add, #close_btn").click(function(){
      if($("#Sub_Menu").css('display') == 'none'){
        $("#Sub_Menu").show();
      }else{
        $("#Sub_Menu").hide();
      }
      
  	});
    /*
    $("#Sub_Menu").mouseout(function(){
      $("#Sub_Menu").hide();
  	});

    $("#Top").mouseover(function(){
      $("#Sub_Menu").hide();
  	});
    */

    $("#Menu").mouseover(function(){
      $("#Sub_Menu").show();
  	}).mouseleave(function(){
      $("#Sub_Menu").hide();
    });

		$("#Sub_Menu").mouseover(function(){
			$("#Sub_Menu").show();
		}).mouseleave(function(){
			$("#Sub_Menu").hide();
		});


/*
    $("#MainMenu1").mouseover(function(){
      $("#Sub_Menu").hide();
      gmainFun('1')
      $("#Sub_Menu").show();
  	});

    $("#MainMenu2").mouseover(function(){
      $("#Sub_Menu").hide();
      gmainFun('2')
      $("#Sub_Menu").show();
  	});

    $("#MainMenu3").mouseover(function(){
      $("#Sub_Menu").hide();
      gmainFun('3')
      $("#Sub_Menu").show();
  	});

    $("#MainMenu4").mouseover(function(){
      $("#Sub_Menu").hide();
      gmainFun('4')
      $("#Sub_Menu").show();
  	});

    $("#MainMenu5").mouseover(function(){
      $("#Sub_Menu").hide();
      gmainFun('5')
      $("#Sub_Menu").show();
  	});
*/

  });

function gmainFun(sel){
  for(i=1;i<=5;i++){
    $('#MainMenu' + i).attr('src','/image/gen_main/menu0'+i+'.gif');
  }

  if($("#Sub_Menu").css('display') == 'none'){
    $("#Sub_Menu").show();
    $("#MainMenu" + sel).attr("src","/image/gen_main/menu0"+sel+"_r.gif");
  }else{
    $("#Sub_Menu").hide();
  }

}


function gmainFun2(sel){
  for(i=1;i<=6;i++){
    $('#MainMenu' + i).attr('src','/image/pro_main/menu0'+i+'.gif');
  }

  if($("#Sub_Menu").css('display') == 'none'){
    $("#Sub_Menu").show();
    $("#MainMenu" + sel).attr("src","/image/pro_main/menu0"+sel+"_r.gif");
  }else{
    $("#Sub_Menu").hide();
  }

}

  
function isCorrectNumber(formname) {
      var form = eval("document.registrationForm." + 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 isCorrectID(formname) {
      var form = eval("document.registrationForm." + formname);

      if(form.value.length < 4 || form.value.length > 10) {
         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 isCorrectPW(formname) {
      var form = eval("document.registrationForm." + formname);
      
      if(form.value.length < 4 || form.value.length > 8) {
         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 isCorrectJuminNumber(ju_id1,ju_id2) {
    
      var codesum = 0;
      var coderet = 0;
      //자리수 확인
      if( ju_id1.length != 6 || ju_id2.length != 7 ) {
         return false;
      }
    	
      //숫자인지
      codesum = ( eval( ju_id1.substring( 0, 1 ) ) * 2 )
       		+ ( eval( ju_id1.substring( 1, 2 ) ) * 3 )
      		+ ( eval( ju_id1.substring( 2, 3 ) ) * 4 )
      		+ ( eval( ju_id1.substring( 3, 4 ) ) * 5 )
      		+ ( eval( ju_id1.substring( 4, 5 ) ) * 6 )
       		+ ( eval( ju_id1.substring( 5, 6 ) ) * 7 )
       		+ ( eval( ju_id2.substring( 0, 1 ) ) * 8 )
      		+ ( eval( ju_id2.substring( 1, 2 ) ) * 9 )
       		+ ( eval( ju_id2.substring( 2, 3 ) ) * 2 )
       		+ ( eval( ju_id2.substring( 3, 4 ) ) * 3 )
       		+ ( eval( ju_id2.substring( 4, 5 ) ) * 4 )
      		+ ( eval( ju_id2.substring( 5, 6 ) ) * 5 );
      coderet = 11 - (eval(codesum % 11));
      if(coderet >= 10)
         coderet = coderet - 10;
      if(coderet >= 10)
         coderet = coderet - 10;
      if(eval( ju_id2.substring( 6, 7 ) ) != coderet ) {
         return false;
      }      	

      return true;
   }  
function isEmailCheck(femail){
  var str= femail; 
  var atPos = str.indexOf('@');
  var atLastPos = str.lastIndexOf('@');
  var dotPos = str.indexOf('.');
  var spacePos = str.indexOf(' ');
  var commaPos = str.indexOf(',');
  var eMailSize = str.length;

  if(atPos > 1 && atPos == atLastPos &&
     dotPos > 3 && spacePos == -1 && commaPos ==-1 &&
     atPos +1 < dotPos && dotPos +1 < eMailSize ){
    return true;
  }else{
    return false;
  }
}

  function tab_over2(num){
    document.getElementById('tab_m'+num).src = '/image/journal/img2_'+num+'_o.gif';
  }

  function tab_out2(num){
    document.getElementById('tab_m'+num).src = '/image/journal/img2_'+num+'.gif';
  }
  
  function tab_over3(num){
    document.getElementById('tab_m'+num).src = '/image/journal/img1_'+num+'_o.gif';
  }

  function tab_out3(num){
    document.getElementById('tab_m'+num).src = '/image/journal/img1_'+num+'.gif';
  }