var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");

function CheckUIElements()
{
        var yMenu1From, yMenu1To, yButtonFrom, yButtonTo, yOffset, timeoutNextCheck;

        if ( bNetscape4plus ) { // ³×Ã÷ÄÉÀÌÇÁ ¿ë ¼³Á¤
                //yButtonFrom = document["divLinkButton"].top;
                //yButtonTo   = top.pageYOffset + top.innerHeight - 55;
                yMenu1From   = document["Menu1"].top;
                yMenu1To     = top.pageYOffset + 222;   // À§ÂÊ À§Ä¡
        }
        else if ( bExplorer4plus ) {  // IE ¿ë ¼³Á¤
                //yButtonFrom = parseInt (divLinkButton.style.top, 10);
                //yButtonTo   = document.body.scrollTop + document.body.clientHeight - 55;
                yMenu1From   = parseInt (Menu1.style.top, 10);
                yMenu1To     = document.body.scrollTop + 250; // À§ÂÊ À§Ä¡
        }

        timeoutNextCheck = 500;

        if ( Math.abs (yButtonFrom - (yMenu1To + 124)) < 6 && yButtonTo < yButtonFrom ) {
                setTimeout ("CheckUIElements()", timeoutNextCheck);
                return;
        }


        if ( yButtonFrom != yButtonTo ) {
                yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
                if ( yButtonTo < yButtonFrom )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["divLinkButton"].top += yOffset;
                else if ( bExplorer4plus )
                        divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }
        if ( yMenu1From != yMenu1To ) {
                yOffset = Math.ceil( Math.abs( yMenu1To - yMenu1From ) / 20 );
                if ( yMenu1To < yMenu1From )
                        yOffset = -yOffset;

                if ( bNetscape4plus )
                        document["Menu1"].top += yOffset;
                else if ( bExplorer4plus )
                        Menu1.style.top = parseInt (Menu1.style.top, 10) + yOffset;

                timeoutNextCheck = 10;
        }

        setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function MovePosition()
{
        var y;

        // ÇÁ·¹ÀÓ ¿¡¼­ ¹þ¾î³ª°Ô ÇÏ´Â ÇÔ¼öÀÔ´Ï´Ù. ÇÁ·¹ÀÓ¿¡ ³ÖÀ¸·Á¸é »èÁ¦Çϼ¼¿ä
        //if ( top.frames.length )
         //       top.location.href = self.location.href;

        // Æä¿¡Áö ·Îµù½Ã Æ÷Áö¼Ç
        if ( bNetscape4plus ) {
                document["Menu1"].top = top.pageYOffset + 122;
                document["Menu1"].visibility = "visible";
                //document["divLinkButton"].top = top.pageYOffset + top.innerHeight - 55;
                //document["divLinkButton"].visibility = "visible";
        }
        else if ( bExplorer4plus ) {
                Menu1.style.top = document.body.scrollTop + 122;
                Menu1.style.visibility = "visible";
                //divLinkButton.style.top = document.body.scrollTop + document.body.clientHeight - 55;
                //divLinkButton.style.visibility = "visible";
        }

        // initializing UI update timer
        CheckUIElements();
        //if ( bExplorer4plus )
        //        setTimeout ( "FlashTitleStepIt(255)", 10 );
        return true;
}

function funcSwapImage(imageName, bHilite) {
// DUMB Netscape doesn't see img names if they're inside a <div which has an id
// if they're just in <div></div> - it's okay, but that's not the case :\
// Workaround (using layers) was provided by Kostya. Tnx man :)
        if ( bExplorer4plus ) {
                document.images[imageName].src = "images/" + imageName + (bHilite == 1 ? "_hi.gif" : "_lo.gif");
        }
        else if ( bNetscape4plus ) {
                document.layers["Menu1"].document.images[imageName].src = "images/" + imageName + (bHilite == 1 ? "_hi.gif" : "_lo.gif");
        }
        return false;
}

function mf(s,d,w,h,t){
	return mf8(s,d,w,h,t,null,null);
}

function mf8(s,d,w,h,t,f,l){
    var keys = new Array();
    var values = new Array();
    if(f != null && f.length > 0){keys.push("nfreq");values.push(f);}
    for(var i = 0; l != null && i < l.length; i++){
        var clkid = i + 1;
        keys.push(clkid);values.push(encode(l[i]));
    }
    return mf81(s,d,w,h,t,keys,values);
}

function mf81(s,d,w,h,t,k,v){
    var flashvars = "";
    if(k != null && v != null && k.length > 0 && k.length == v.length){
        for(var i = 0; i < k.length; i++){
            if(i > 0){ flashvars += "&"; }
            flashvars += k[i] + "=" + v[i];
        }
    }

    var code = "";
    code  = "<object type=\"application/x-shockwave-flash\" ";
    code +=         "classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" ";
    code +=         "codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" ";
    code +=         "width=\""+w+"\" height=\""+h+"\" id=\""+d+"\">";
    code += "<param name=\"movie\" value=\""+s+"\" />";
    code += "<param name=\"quality\" value=\"high\" />";
    //code += "<param name=\"bgcolor\" value=\"#ffffff\" />";
    code += "<param name=\"wmode\" value=\""+t+"\" />";
    code += "<param name=\"menu\" value=\"false\" />";
    code += "<param name=\"allowScriptAccess\" value=\"always\" />";
    code += "<param name=\"swliveconnect\" value=\"true\" />";

    if(flashvars.length > 0){
        code += "<param name=\"FlashVars\" value=\""+flashvars+"\" />";
    }

    code += "<embed src=\""+s+"\" quality=\"high\" "
    //code +=        "bgcolor=\"#ffffff\" "
    code +=        "wmode=\""+t+"\" "
    code +=        "menu=\"false\" width=\""+w+"\" height=\""+h+"\" "
    code +=        "type=\"application/x-shockwave-flash\" "

    if(flashvars.length > 0){
        code +=    "FlashVars=\""+flashvars+"\" ";
    }

    code +=        "pluginspage=\"http://www.macromedia.com/go/getflashplayer\"> "
    code += "</embed>"
    code += "</object>"

    return code;
}

// write document contents
function documentwrite(src){ document.write(src); }

// assign code innerHTML
function setcode(target, code){ target.innerHTML = code; }

// 0 for impression, 1 for click.
function icprocess(vals, idx, type){
    for(var i = 0; i < vals.length; i++){
        if(i == idx){
            if(type == 0){ impress(vals[idx]); }
            else{ click(vals[idx]); }
            break;
        }
    }
}

// impression check
function checkimp(vals, idx){idx--;icprocess(vals, idx, 0); }

// impression check process
function impress(addr){ var i = new Image; i.src = addr; }

//// util

// browser check for ad
function isAdAvailable(){
    var g,a,p,m,noepd; g=navigator; a=g.userAgent;
    p=g.appVersion; m=p.indexOf("MSIE");

    if(a.indexOf("MSIE")==-1){ noepd=true; }

    if(m!=-1 && a.indexOf("Win")!=-1){
        v=parseFloat(p.substring(m+4)); if(v<5.5){ noepd=true; }
    }

    return !noepd;
}

// url encode
function encode(str){
    var result = "";
    for (i=0;i<str.length;i++) {
        if(str.charAt(i) == " ") result +=  "+";
        else result +=  str.charAt(i);    
    }    
    return escape(result);
}

// set cookie
function setCookie(name,value,expires,domain) {
document.cookie=name + "=" + escape(value) + ((expires == null)? "" : (" ; expires=" + expires.toGMTString())) + "; domain=" + (domain ? domain : "ad.naver.com") + ";" ;
}

// get cookie
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){
            var end = document.cookie.indexOf(";",j);
            if(end == -1)
                end = document.cookie.length;
            return unescape(document.cookie.substring(j,end));
        }
        i=document.cookie.indexOf(" ",i)+1;
        if (i==0) break;
    }
    return null;
}