[스크립트]이미지가 아닌 경우 텍스트 사용을 하고 싶습니다.

function initNavigation(seq, menuid) {    seq = 0;     var nav = document.getElementById("gnbmenu");    nav.menu = new Array();    nav.current = null;    nav.menuseq = 0;    navLen = nav.childNodes.length;        allA = nav.getElementsByTagName("a")    for(k = 0; k < allA.length; k++) {        allA.item(k).onmouseover = allA.item(k).onfocus = function () {            nav.isOver = true;        }        allA.item(k).onmouseout = allA.item(k).onblur = function () {            nav.isOver = false;            setTimeout(function () {                if (nav.isOver == false) {                    if (nav.menu[seq])                        nav.menu[seq].onmouseover();                    else if(nav.current) {                        menuImg = nav.current.childNodes.item(0);                        menuImg.src = menuImg.src.replace("_on.gif", "_off.gif");                        if (nav.current.submenu)                            nav.current.submenu.style.display = "none";                        nav.current = null;                    }                }            }, 500);        }    }    for (i = 0; i < navLen; i++) {        navItem = nav.childNodes.item(i);        if (navItem.tagName != "LI")            continue;        navAnchor = navItem.getElementsByTagName("a").item(0);        navAnchor.submenu = navItem.getElementsByTagName("div").item(0);                navAnchor.onmouseover = navAnchor.onfocus = function () {            if (nav.current) {                menuImg = nav.current.childNodes.item(0);                menuImg.src = menuImg.src.replace("_on.gif", "_off.gif");                if (nav.current.submenu)                    nav.current.submenu.style.display = "none";                nav.current = null;            }            if (nav.current != this) {                menuImg = this.childNodes.item(0);                menuImg.src = menuImg.src.replace("_on.gif", "_off.gif");                if (this.submenu)                    this.submenu.style.display = "block";                nav.current = this;            }            nav.isOver = true;        }        nav.menuseq++;        nav.menu[nav.menuseq] = navAnchor;    }    if (nav.menu[seq])        nav.menu[seq].onmouseover();}