var isMSIE = (window.navigator.userAgent.indexOf("MSIE")>=1);

function preloadImagesGIF()
{
  var i, str="";
  var arrN = preloadImagesGIF.arguments; 
  for(i=0; i<arrN.length; i++) {
    eval("img_" + arrN[i] + " = new Image();");
    str = "imgs/" + arrN[i] + ".gif";
    eval("img_" + arrN[i]).src = str;
  }
}

function preloadImagesJPG()
{
  var i, str="";
  var arrN = preloadImagesJPG.arguments; 
  for(i=0; i<arrN.length; i++) {
    eval("img_" + arrN[i] + " = new Image();");
    str = "imgs/" + arrN[i] + ".jpg";
    eval("img_" + arrN[i]).src = str;
  }
}

function setBtnImg(name,status)
{
  var str="";
  var pImg="";
  str = "Imgs/" + name + "_" + status + ".jpg";
  pImg = document.getElementById(name);
  pImg.src = str;
}