function Map() {
    this.keys = [];
    this.values = [];
    this.count = 0;
    this.put = function (key, value) {
        with (this) {
            for (i=0; i<count; i++) if (keys[i] == key) {
                values[i] = value;
                return;
            }
            keys[count] = key;
            values[count] = value;
            count++;
        }
    }
    this.get = function (key) {
        with (this) for (i=0; i<count; i++) {
            if (keys[i] == key) return values[i];
        }
    }
}
var linkMap = new Map();
function key(obj, e) {
    if (e.keyCode == 13 || e.keyCode == 32) obj.onmousedown(obj);
}
function down(obj, e, url) {
    linkMap.put(obj, obj.href);
    if (!e || !e.which || e.which <= 2) obj.href = url;
    setTimeout(function () {
        window.status = linkMap.get(obj);
    }, 1);
    obj.onmouseup = obj.onkeyup = obj.onclick 
	= obj.onmouseout = function () {
        up(this);
    };
}
function up(obj) {
    setTimeout(function() {
        window.status = obj.href = linkMap.get(obj);
    }, 1);
	MM_swapImgRestore()
}
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];}
}