function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    navi01o = newImage("/common/img/navi01o.gif");
    navi02o = newImage("/common/img/navi02o.gif");
    navi03o = newImage("/common/img/navi03o.gif");
    navi05o = newImage("/common/img/navi05o.gif");
    navi06o = newImage("/common/img/navi06o.gif");
    s_menu01o = newImage("/images/s_menu01o.gif");
    s_menu02o = newImage("/images/s_menu02o.gif");
    s_menu03o = newImage("/images/s_menu03o.gif");
    s_menu04o = newImage("/images/s_menu04o.gif");
    s_menu05o = newImage("/images/s_menu05o.gif");
    s_menu06o = newImage("/images/s_menu06o.gif");
    s_menu07o = newImage("/images/s_menu07o.gif");
    s_menu08o = newImage("/images/s_menu08o.gif");
    s_menu09o = newImage("/images/s_menu09o.gif");
    s_menu10o = newImage("/images/s_menu10o.gif");
    s_menu10o = newImage("/images/s_menu11o.gif");
    preloadFlag = true;
  }
}

function open_window(html_url,w,h,window_name){
         newWin = window.open(html_url,window_name,
                              "width="+w+",height="+h+",scrollbars=1,status=0,resizable=yes");
}

function open_window2(html_url,w,h,window_name){
         newWin = window.open(html_url,window_name,
                              "width="+w+",height="+h+",scrollbars=0,status=0,resizable=yes");
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}