window.onerror=null;

browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);


        if(browserName=="Netscape" || "Microsoft Internet Explorer" && browserVer > 3.02) ver = "yes";  else ver = "no";
        if(ver == "yes") {      
		
		home1 = new Image(); home1.src = "images/home_but1.gif";
        home2 = new Image(); home2.src = "images/home_but2.gif";  //function

    	about1 = new Image(); about1.src = "images/about_but1.gif";
        about2 = new Image(); about2.src = "images/about_but2.gif";

		mis1 = new Image(); mis1.src = "images/mission_but1.gif";
        mis2 = new Image(); mis2.src = "images/mission_but2.gif";  //function

		org1 = new Image(); org1.src = "images/org_but1.gif";
        org2 = new Image(); org2.src = "images/org_but2.gif";  

    	links1 = new Image(); links1.src = "images/links_but1.gif";
        links2 = new Image(); links2.src = "images/links_but2.gif"; 

        cont1 = new Image(); cont1.src = "images/contact_but1.gif";
        cont2 = new Image(); cont2.src = "images/contact_but2.gif";
        }
function inactive(imgName){
        if (ver == "yes")  {
        img1 = eval(imgName + "1.src");
        document [imgName].src = img1;
        }
	}

function active(imgName){
        if (ver == "yes")  {
        img2 = eval(imgName + "2.src");
        document [imgName].src = img2;
        }
	}