self.onError=null;
var currentX = 0;
var currentY = 0;
var whichIt = null;
var lastScrollX = 0; lastScrollY = 0;
var NS = (document.layers) ? 1 : 0;
var IE = (document.all) ? 1: 0;

var MAXMENULENGTH = 700;
function heartBeat() {
	if(IE) {
	 //  diffY = (document.body.scrollTop>198)?((document.body.scrollTop>document.body.scrollHeight-MAXMENULENGTH-130)?(document.body.scrollHeight-MAXMENULENGTH-328):(document.body.scrollTop-240)):0;   //origin
	  diffY = (document.body.scrollTop>460)?(document.body.scrollTop-430):0; //ÇмúÄ·ÇÁ ¸Þ´º¶«¿¡...
    //diffY = 0;
	}

   if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	if(diffY != lastScrollY ) {
      percent = .1 * (diffY - lastScrollY);
      if(percent > 0) percent = Math.ceil(percent);
      else percent = Math.floor(percent);
		if(IE) document.all.floater.style.pixelTop += percent;
		if(NS) document.floater.top += percent;
      lastScrollY = lastScrollY + percent;
   }
}

function heartBeatApply() {
	if(IE) {
	   diffY = (document.body.scrollTop>100)?((document.body.scrollTop>document.body.scrollHeight-MAXMENULENGTH-130)?(document.body.scrollHeight-MAXMENULENGTH-228):(document.body.scrollTop-100)):0;
//      diffX = 0;
	}

   if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	if(diffY != lastScrollY ) {
      percent = .1 * (diffY - lastScrollY);
      if(percent > 0) percent = Math.ceil(percent);
      else percent = Math.floor(percent);
		if(IE) document.all.floater.style.pixelTop += percent;
		if(NS) document.floater.top += percent;
      lastScrollY = lastScrollY + percent;
   }
}

function startHeartBeat() {
   if(NS || IE) action = window.setInterval("heartBeat()",1);
}

function startHeartBeatApply() {
   if(NS || IE) action = window.setInterval("heartBeatApply()",1);
}

var z=1;
var lastSelectedImg="";
function menu(i){
	if(document.all["menu"+i].style.display==""){
		document.all["menu"+i].style.display="none";
	   z=1;
	}
   else{
      if(z != 0){
         document.all["menu"+z].style.display="none";
         document.all["menu"+i].style.display="";
      }
    	document.all["menu"+i].style.display="";
      z=i;
   }
}
function selectMenu(oImg) {
   var img_name = getImgName(oImg.src);
   var lstunderidx = img_name.lastIndexOf("_");
   var on_off = img_name.substr(lstunderidx+1);
   if(lastSelectedImg != "") {
      var last_img_sht_name = lastSelectedImg.substring(0,lastSelectedImg.lastIndexOf("_"));
      if(last_img_sht_name != img_name.substring(0,lstunderidx)) {
         var oOldImg = getImgElement(last_img_sht_name+"_on");
         if(oOldImg != null) {
            oOldImg.src = oOldImg.src.substring(0,oOldImg.src.lastIndexOf("_")+1)+"off.gif";
         }
      }
   }
   if(selectMenu.arguments.length > 1) {
      var menuidx = selectMenu.arguments[1];
      menu(menuidx);
      var imgs = document.all["menu"+menuidx].getElementsByTagName("IMG");
      if(imgs != null) {
         if(on_off == "off") {
            deleteCookie("menu");
         }
      }
      else {
      	
         setCookie("menu", img_name);
         oImg.src = oImg.src.substring(0,oImg.src.lastIndexOf("_")+1)+"on.gif";
         lastSelectedImg = img_name;
      }
   }
   else if(on_off == "off") {
      setCookie("menu", img_name);
      oImg.src = oImg.src.substring(0,oImg.src.lastIndexOf("_")+1)+"on.gif";
      lastSelectedImg = img_name;
   }
}
function displaySelectedMenu() {
   var img_name = getCookie("menu");
   if(img_name != null) {
      lastSelectedImg = img_name;
      var underidx = img_name.indexOf("_");
      var group_name = img_name.substring(0,underidx-2);
      if(checkGroupName(group_name)) {
         var lstunderidx = img_name.lastIndexOf("_");
         var main_menu = img_name.substring(underidx-2, underidx);
         var sub_menu = (underidx == lstunderidx)?"":img_name.substring(underidx+1,lstunderidx);
         var oImg = getImgElement(img_name);
         if(oImg != null) {
            if(sub_menu != "") {
               menu(Number(main_menu));
            }
            oImg.src = oImg.src.substring(0,oImg.src.lastIndexOf("_")+1)+"on.gif";
         }
      }
      else {
         deleteCookie("menu");
      }
   }
}
function checkGroupName(groupnm) {
   var firstsrc = floater.getElementsByTagName("IMG")[0].src;
   var fimg_name = getImgName(firstsrc);
   if(fimg_name.substring(0,fimg_name.indexOf("_")-2) == groupnm) return true;
   else return false;
}
function getImgName(imgsrc) {
   var img_name = imgsrc.substring(imgsrc.lastIndexOf("/")+1,imgsrc.length-4);
   return img_name;
}
function getImgElement(imgname) {
   var imgs = floater.getElementsByTagName("IMG");
   for(i=0;i<imgs.length;i++) {
      if(imgname == getImgName(imgs[i].src)) {
          return imgs[i];
      }
   }
   return null;
}
function setMenu(imgname) {
   setCookie("menu", imgname);
}
function getCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
function setCookie (name, value) {

var argv = setCookie.arguments;
var argc = setCookie.arguments.length;

var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}

function deleteCookie (name) {
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = getCookie (name);
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var expDays = 1;
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
var count = getCookie('count')
if(count == null) {
setCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
deleteCookie('count')
setCookie('count',newcount,exp)
return count
}
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}