function getCookie (name) {
 var nameOfCookie = name + "=";
 var x=0;
 while (x <= document.cookie.length) {
   var y=(x+nameOfCookie.length);
   if (document.cookie.substring(x,y)==nameOfCookie) {
     if ( (endOfCookie = document.cookie.indexOf(";",y)) == -1)
        endOfCookie = document.cookie.length;
     return unescape(document.cookie.substring(y, endOfCookie));
   }
   x = document.cookie.indexOf(" ", x) + 1;
   if (x == 0) break;
  }
  return "";
}

function setCookie (name, value, expiredays) {
  var todayDate = new Date();
  todayDate.setDate(todayDate.getDate() + expiredays);
  document.cookie = name + "=" + escape(value) + "; path=/; expires=" + todayDate.toGMTString() + ";"
}

function setCookieNo(name, value, expires) {
document.cookie = name + "=" + escape (value) + "; path=/; expires=" + expires.toGMTString();
}

function getCookieNo(Name) {
var search = Name + "="
if (document.cookie.length > 0) { // ÄíÅ°°¡ ¼³Á¤µÇ¾î ÀÖ´Ù¸é
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(";", offset)
if (end == -1)
end = document.cookie.length
return unescape(document.cookie.substring(offset, end))
}
}
return "";
}

function change_img_src(name, nsdoc, rpath, preload)
{ 
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  } 
}

function scoretotal() {
  var sctotal=0;

  if (parseInt(document.scoreadd.pro1.value) > 20)
  {
	  alert ('ÃÖ´ë Á¡¼ö¸¦ ÃÊ°úÇß½À´Ï´Ù');
	  document.scoreadd.pro1.value = '20';
  }
  if (parseInt(document.scoreadd.pro2.value) > 20)
  {
	  alert ('ÃÖ´ë Á¡¼ö¸¦ ÃÊ°úÇß½À´Ï´Ù');
	  document.scoreadd.pro2.value = '20';
  }
  if (parseInt(document.scoreadd.pro3.value) > 30)
  {
	  alert ('ÃÖ´ë Á¡¼ö¸¦ ÃÊ°úÇß½À´Ï´Ù');
	  document.scoreadd.pro3.value = '30';
  }
  if (parseInt(document.scoreadd.pro4.value) > 30)
  {
	  alert ('ÃÖ´ë Á¡¼ö¸¦ ÃÊ°úÇß½À´Ï´Ù');
	  document.scoreadd.pro4.value = '30';
  }

  sctotal = parseInt(document.scoreadd.pro1.value) +  parseInt(document.scoreadd.pro2.value) + parseInt(document.scoreadd.pro3.value) + parseInt(document.scoreadd.pro4.value);
  document.scoreadd.mtotal.value = sctotal;
  if (sctotal >= 90)
  {
	  document.scoreadd.mgrade.value = 'A';
  } else if (sctotal >= 80)
  {
	  document.scoreadd.mgrade.value = 'B';

  } else if (sctotal >= 70)
  {
	  document.scoreadd.mgrade.value = 'C';

  } else if (sctotal >= 60)
  {
	  document.scoreadd.mgrade.value = 'D';

  } else
  {
	  document.scoreadd.mgrade.value = 'F';

  }
}


function restore_img_src(name, nsdoc)
{
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  } 
}

function preload_img()
{ 
  var img_list = preload_img.arguments;
  if (document.preloadlist == null) 
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i]     = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  } 
}


function goto_byselect(sel, targetstr)
{
  var index = sel.selectedIndex;
  if (sel.options[index].value != '') {
     if (targetstr == 'blank') {
       window.open(sel.options[index].value, 'win1');
     } else {
       var frameobj;
       if (targetstr == '') targetstr = 'self';
       if ((frameobj = eval(targetstr)) != null)
         frameobj.location = sel.options[index].value;
     }
  }
}



function open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';
  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}

var welcome_message = '';
if (parseInt(navigator.appVersion)<4)
 { var platform="NON"; }
else
 { var platform=navigator.platform; }
if (navigator.appName=="Netscape" && platform.indexOf('Win')==0)
  { 
   var srchsz=''; var weatsz=7; var stoksz=7;
   if ( parseInt(navigator.appVersion)>=5 ) 
    {
     var e_ver = navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).substring(navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).indexOf('/')+1,navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).indexOf('/')+6);
     if ( e_ver >= "6.2") { var srchsz='solid'; var weatsz=14; var stoksz=14; } 
    }
    }
else if (((navigator.appName=="Netscape") && (platform.indexOf('Mac')==0)) && (parseInt(navigator.appVersion)<5))
  { var srchsz=20; var weatsz=8; var stoksz=8; }
else if (((navigator.appName=="Netscape") && (platform.indexOf('Mac')==0)) && (parseInt(navigator.appVersion)>4))
  { 
  var srchsz=''; var weatsz=10; var stoksz=10; 
if ( parseInt(navigator.appVersion)>=5 ) 
   {
   var e_ver = navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).substring(navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).indexOf('/')+1,navigator.userAgent.substring(navigator.userAgent.indexOf('Netscape'),navigator.userAgent.length).indexOf('/')+6);
    if ( e_ver >= "6.2") { var srchsz='solid'; var weatsz=13; var stoksz=13; } 
   }
 }
 else if (navigator.appName.indexOf("Microsoft")!=-1 && platform.indexOf('Mac')==0)
 { var srchsz=''; var weatsz=10; var stoksz=10; }
 else if (navigator.appName=="Netscape" && platform.indexOf('Win')==-1 && platform.indexOf('Mac')!=0)
 { var srchsz='solid'; var weatsz=13; var stoksz=13; }
 else
 { var srchsz='solid'; var weatsz=14; var stoksz=14; }
 var searchform='<INPUT TYPE=TEXT NAME="skeyword" MAXLENGTH=20 SIZE='+weatsz+' CLASS='+srchsz+'>';
 var mailingform='<INPUT TYPE=TEXT NAME="mailing" MAXLENGTH=20 SIZE='+stoksz+' CLASS='+srchsz+'>';