if (document.images) {
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      oneOff.src = "images/who.gif";
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      twoOn.src = "images/support_on.gif";
      var twoOff = new Image();
      twoOff.src = "images/support.gif";
	  var threeOn = new Image();
      threeOn.src = "images/mta_on.gif";
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      threeOff.src = "images/mta.gif";
	  var fourOn = new Image();
      fourOn.src = "images/supportlist_on.gif";
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      fourOff.src = "images/supportlist.gif";
			var fiveOn = new Image();
      fiveOn.src = "images/row_on.gif";
      var fiveOff = new Image();
      fiveOff.src = "images/row.gif";
	  var sixOn = new Image();
      sixOn.src = "images/report_on.gif";
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      sixOff.src = "images/report.gif";
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      sevenOn.src = "images/resources_on.gif";
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      sevenOff.src = "images/resources.gif";
				var eightOn = new Image();
      eightOn.src = "images/news_on.gif";
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      eightOff.src = "images/news_on.gif";
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      nineOn.src = "images/contactus_on.gif";
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      nineOff.src = "images/contactus.gif";
}
function changeIn(imageName) {
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      document.images[imageName].src = eval(imageName + "On.src");
}
function changeOut(imageName) {
      if (!document.images) return;
      document.images[imageName].src = eval(imageName + "Off.src");
}