// JavaScript Document
var globalOnload=new Array("safeOnload");
function getCookie(name) {
    var nameOfCookie=name+"=";
    var endOfCookie=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 false;
}
function toggleImg(img,on) {
    var cur=img.src;
    if (cur.indexOf("_home.")>0) return;
    if (on!="off") if (cur.indexOf("_off.")>0) img.src=cur.replace("_off.","_on.");
    if (on!="on") if (cur.indexOf("_on.")>0) img.src=cur.replace("_on.","_off.");
    return;
}
function subChannelNav(ch) {
    var chan=new Array("why","products","user","company","inquiry");
    var img=new Image();
    var imgname=tabname=tab=null;
    for (var i=0; i<chan.length; i++) {
        tabname="top_subchannel_"+chan[i];
        imgname="img_channel_"+chan[i];
        if (tab=document.getElementById(tabname)) {
            tab.style.display=(chan[i]==ch)?"inline":"none";
            if (img=document.images[imgname]) toggleImg(img,((chan[i]==ch)?"on":"off"));
        }
    }
    return;
}