// browser test:
var ns4 = (document.layers)? true:false;
var ns6 = (document.getElementById)? true:false;
var ie = (document.all)? true:false;
var version = 0;

if ((ie) || (ns4) || (ns6)) {version = "1";}

// preload images:
if (version == "1") {

g1 = new Image(220,120);
g1.src = "graph/eurusd-y.png";
g2 = new Image(220,120);
g2.src = "graph/gbpusd-y.png";
g3 = new Image(220,120);
g3.src = "graph/usdjpy-y.png";
g4 = new Image(220,120);
g4.src = "graph/usdchf-y.png";
g5 = new Image(220,120);
g5.src = "graph/sofix-y.png";
g6 = new Image(220,120);
g6.src = "graph/pkb-y.png";
g7 = new Image(220,120);
g7.src = "graph/kz-y.png";
g8 = new Image(220,120);
g8.src = "graph/bg20-y.png";
g9 = new Image(220,120);
g9.src = "graph/djia-y.png";
g10 = new Image(220,120);
g10.src = "graph/nasdaq-y.png";
g11 = new Image(220,120);
g11.src = "graph/dax-y.png";
g12 = new Image(220,120);
g12.src = "graph/ftse100-y.png";
g13 = new Image(220,120);
g13.src = "graph/bg40-y.png";
g14 = new Image(220,120);
g14.src = "graph/bgtr30-y.png";
g15 = new Image(220,120);
g15.src = "graph/bgreit-y.png";


 t1 = new Image();
 t1.src = "i/eur_usd.gif";
 t1a = new Image();
 t1a.src = "i/eur_usd_a.gif";

 t2 = new Image();
 t2.src = "i/gbp_usd.gif";
 t2a = new Image();
 t2a.src = "i/gbp_usd_a.gif";

 t3 = new Image();
 t3.src = "i/usd_jpy.gif";
 t3a = new Image();
 t3a.src = "i/usd_jpy_a.gif";

 t4 = new Image();
 t4.src = "i/usd_chf.gif";
 t4a = new Image();
 t4a.src = "i/usd_chf_a.gif";

 t5 = new Image();
 t5.src = "i/sofix.gif";
 t5a = new Image();
 t5a.src = "i/sofix_a.gif";

 t6 = new Image();
 t6.src = "i/pkb.gif";
 t6a = new Image();
 t6a.src = "i/pkb_a.gif";

 t7 = new Image();
 t7.src = "i/kz.gif";
 t7a = new Image();
 t7a.src = "i/kz_a.gif";

 t8 = new Image();
 t8.src = "i/bg20.gif";
 t8a = new Image();
 t8a.src = "i/bg20_a.gif";

 t9 = new Image();
 t9.src = "i/djia.gif";
 t9a = new Image();
 t9a.src = "i/djia_a.gif";

 t10 = new Image();
 t10.src = "i/nasdaq.gif";
 t10a = new Image();
 t10a.src = "i/nasdaq_a.gif";

 t11 = new Image();
 t11.src = "i/dax.gif";
 t11a = new Image();
 t11a.src = "i/dax_a.gif";

 t12 = new Image();
 t12.src = "i/ftse100.gif";
 t12a = new Image();
 t12a.src = "i/ftse100_a.gif";

 t13 = new Image();
 t13.src = "i/bg40.gif";
 t13a = new Image();
 t13a.src = "i/bg40_a.gif";
 
 t14 = new Image();
 t14.src = "i/bgtr30.gif";
 t14a = new Image();
 t14a.src = "i/bgtr30_a.gif";
 
 t15 = new Image();
 t15.src = "i/bgreit.gif";
 t15a = new Image();
 t15a.src = "i/bgreit_a.gif";
 
 
}

var active1 = 1;
var active2 = 5;
var active3 = 9;

function hiLite(imgDocID,imgObjName) {
if (version == "1") {
document.images[imgDocID].src = eval(imgObjName + ".src")
}}

function vGraph(butt,graph,num)
{

  if (eval('active' + num) != 0) {
    hiLite('tab' + eval('active' + num), 't' + eval('active' + num));
        if (num == 1) { active1 = butt;}
        if (num == 2) { active2 = butt;}
        if (num == 3) { active3 = butt;}
  }

  hiLite('tab' + eval('active' + num), 't'+eval('active' + num)+'a');
  hiLite(graph,'g' + eval('active' + num));
}


function tdColor(obj, color)
{
  obj.style.backgroundColor=color;
  //obj.style.cursor="pointer";
}

function tdURL(url)
{
        parent.location.href = url;
}

function toggleDisplay(divId) {

  var div = document.getElementById(divId);

  div.style.display = (div.style.display=="block" ? "none" : "block");

  var a = document.getElementById("a_toggle");
  a.firstChild.nodeValue = (div.style.display=="block" ? "-" : "+");
}