if (document.images) {	
    
    	var IndxEducation1 = new Image();
		IndxEducation1.src = "gifs/IndxEducation.gif";
		var IndxEducation2 = new Image();
		IndxEducation2.src = "gifs/IndxEducationOn.gif";
		
    	var IndxFaucet1 = new Image();
		IndxFaucet1.src = "gifs/IndxFaucet.gif";
		var IndxFaucet2 = new Image();
		IndxFaucet2.src = "gifs/IndxFaucetOn.gif";
		
		var IndxFilter1 = new Image();
		IndxFilter1.src = "gifs/IndxFilter.gif";
		var IndxFilter2 = new Image();
		IndxFilter2.src = "gifs/IndxFilterOn.gif";
		
		var IndxFish1 = new Image();
		IndxFish1.src = "gifs/IndxFish.gif";
		var IndxFish2 = new Image();
		IndxFish2.src = "gifs/IndxFishOn.gif";
		
		var IndxMonitor1 = new Image();
		IndxMonitor1.src = "gifs/IndxMonitor.gif";
		var IndxMonitor2 = new Image();
		IndxMonitor2.src = "gifs/IndxMonitorOn.gif";
		
		var IndxSecurity1 = new Image();
		IndxSecurity1.src = "gifs/IndxSecurity.gif";
		var IndxSecurity2 = new Image();
		IndxSecurity2.src = "gifs/IndxSecurityOn.gif";
		
		var IndxSFTeacher1 = new Image();
		IndxSFTeacher1.src = "gifs/IndxSFTeacher.gif";
		var IndxSFTeacher2 = new Image();
		IndxSFTeacher2.src = "gifs/IndxSFTeacherOn.gif";
		
		var IndxSiteMapGal1 = new Image();
		IndxSiteMapGal1.src = "gifs/IndxSiteMapGal.gif";
		var IndxSiteMapGal2 = new Image();
		IndxSiteMapGal2.src = "gifs/IndxSiteMapGalOn.gif";
		
		var IndxTest1 = new Image();
		IndxTest1.src = "gifs/IndxTest.gif";
		var IndxTest2 = new Image();
		IndxTest2.src = "gifs/IndxTestOn.gif";
		
		var IndxTreatment1 = new Image();
		IndxTreatment1.src = "gifs/IndxTreatment.gif";
		var IndxTreatment2 = new Image();
		IndxTreatment2.src = "gifs/IndxTreatmentOn.gif";
		
    }

    function Off(imgName) {
        if (document.images)
        document[imgName].src = eval(imgName + "1.src");
    }

    function On(imgName) {
        if (document.images)
        document[imgName].src = eval(imgName + "2.src");
    }