window.onerror = null;
			var detect = navigator.userAgent.toLowerCase();
			var OS,browser,version,total,thestring;
			if (checkIt('konqueror'))
				{
					browser = "Konqueror";
					OS = "Linux";
				}
			 else if (checkIt('safari')) browser = "Safari";
			 else if (checkIt('omniweb')) browser = "OmniWeb";
			 else if (checkIt('opera')) browser = "Opera";
			 else if (checkIt('webtv')) browser = "WebTV";
			 else if (checkIt('icab')) browser = "iCab";
			 else if (checkIt('msie')) browser = "Internet Explorer";
			 else if (!checkIt('compatible'))
				{
					browser = "Netscape Navigator";
					version = detect.charAt(8);
				}
			 else browser = "An unknown browser";

			if (!version) version = detect.charAt(place + thestring.length);

			if (!OS)
				{
					if (checkIt('linux')) OS = "Linux";
					 else if (checkIt('x11')) OS = "Unix";
					 else if (checkIt('mac')) OS = "Mac";
					 else if (checkIt('win')) OS = "Windows";
					 else OS = "an unknown operating system";
				}

			function checkIt(string)
				{
					place = detect.indexOf(string) + 1;
					thestring = string;
					return place;
				}
				
			if (document.images)
				{						 

        easera_easeralinks_over=new Image(75, 20);
        easera_easeralinks_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easeralinks_over.png";
        easera_easeralinks_on=new Image(75, 20);
        easera_easeralinks_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easeralinks_down.png";
        easera_easeralinks_off=new Image(75, 20);
        easera_easeralinks_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easeralinks_up.png";

        easera_experience_over=new Image(75, 20);
        easera_experience_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_experience_over.png";
        easera_experience_on=new Image(75, 20);
        easera_experience_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_experience_down.png";
        easera_experience_off=new Image(75, 20);
        easera_experience_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_experience_up.png";

        easera_presentations_over=new Image(75, 20);
        easera_presentations_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_presentations_over.png";
        easera_presentations_on=new Image(75, 20);
        easera_presentations_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_presentations_down.png";
        easera_presentations_off=new Image(75, 20);
        easera_presentations_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_presentations_up.png";

        easera_articles_over=new Image(75, 20);
        easera_articles_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_articles_over.png";
        easera_articles_on=new Image(75, 20);
        easera_articles_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_articles_down.png";
        easera_articles_off=new Image(75, 20);
        easera_articles_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_articles_up.png";

        easera_training_over=new Image(75, 20);
        easera_training_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_training_over.png";
        easera_training_on=new Image(75, 20);
        easera_training_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_training_down.png";
        easera_training_off=new Image(75, 20);
        easera_training_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_training_up.png";

        easera_support_over=new Image(75, 20);
        easera_support_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_support_over.png";
        easera_support_on=new Image(75, 20);
        easera_support_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_support_down.png";
        easera_support_off=new Image(75, 20);
        easera_support_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_support_up.png";

        easera_info_over=new Image(75, 20);
        easera_info_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_info_over.png";
        easera_info_on=new Image(75, 20);
        easera_info_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_info_down.png";
        easera_info_off=new Image(75, 20);
        easera_info_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_info_up.png";

        easera_easerahome_over=new Image(75, 20);
        easera_easerahome_over.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easerahome_over.png";
        easera_easerahome_on=new Image(75, 20);
        easera_easerahome_on.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easerahome_down.png";
        easera_easerahome_off=new Image(75, 20);
        easera_easerahome_off.src="http://www.OlsonAcousticDesign.com/EASERA/images/easera_easerahome_up.png";

				}

			function ActiveImage(ImageName)
				{						 
					if (document.images)
						{
							imgActive = eval(ImageName + "_on.src");
							document [ImageName].src=imgActive; 
						}
				}

			function ActiveOverImage(ImageName)
				{
					if (document.images)
						{
							imgActive = eval(ImageName + "_over.src");
							document [ImageName].src=imgActive;
						}
				}

			function InActiveImage(ImageName)
				{
					if (document.images) 
						{
							imgInActive = eval(ImageName + "_off.src");
							document [ImageName].src = imgInActive;
						}
				}