function preLoad() {
                ;
        }
        function changeImage(filename,imageName) {
                        ;
        }

        var imageDir = "../img/";
        var loadList;
        var action = "off";
        function preLoad() {
                loadList = new Array("btn_01.gif","btn_02.gif","btn_03.gif","btn_04.gif","btn_05.gif","btn_06.gif","btn_07.gif","btn_01_on.gif","btn_02_on.gif","btn_03_on.gif","btn_04_on.gif","btn_05_on.gif","btn_06_on.gif","btn_07_on.gif","s_btn01.gif","s_btn01.gif","s_btn02.gif","s_btn03.gif","s_btn01_on.gif","s_btn02_on.gif","s_btn03_on.gif"
                );
                onImages = new Array();
                for (field in loadList)
                {
                        onImages[field] = new Image();
                        onImages[field].src = imageDir + loadList[field];
                }
                action = "on";
        }
        function changeImage(fileName,imageName)
        {
                if(action == "on"){
                        document.images[imageName].src =  imageDir + fileName;
                }
        }

var GRS_chatwin="";

function GRS_mkSubWin(URL,winName,w,h){

    var GRS_para =""
             +",toolbar="     +0
             +",location="     +0
             +",directories=" +0
             +",status="      +0
             +",menubar="     +0
             +",scrollbars="  +1
             +",resizable="   +1
             +",innerWidth="  +w
             +",innerHeight=" +h
             +",width="       +w
             +",height="      +h

        GRS_chatwin=window.open(URL,winName,GRS_para);
        GRS_chatwin.opener=self;
        GRS_chatwin.focus();
}