var isNS = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 4);
 
    var HIDDEN = (isNS) ? 'hide' : 'hidden';
    var VISIBLE = (isNS) ? 'show' : 'visible';
    var circle1 = (isNS) ? document.circle1 : document.all.circle1.style;
    var circle2 = (isNS) ? document.circle2 : document.all.circle2.style;
    var circle3 = (isNS) ? document.circle3 : document.all.circle3.style;
    var circle4 = (isNS) ? document.circle4 : document.all.circle4.style;
    var circle5 = (isNS) ? document.circle5 : document.all.circle5.style;
    var circle6 = (isNS) ? document.circle6 : document.all.circle6.style;
    var circle7 = (isNS) ? document.circle7 : document.all.circle7.style;
    var circle8 = (isNS) ? document.circle8 : document.all.circle8.style;
    var website = (isNS) ? document.website : document.all.website.style;
    var text1 = (isNS) ? document.text1 : document.all.text1.style;
    var text2 = (isNS) ? document.text2 : document.all.text2.style;
    var text3 = (isNS) ? document.text3 : document.all.text3.style;
    var text4 = (isNS) ? document.text4 : document.all.text4.style;
    var text5 = (isNS) ? document.text5 : document.all.text5.style;
    var text6 = (isNS) ? document.text6 : document.all.text6.style;
    var text7 = (isNS) ? document.text7 : document.all.text5.style;
    var text8 = (isNS) ? document.text8 : document.all.text6.style;
    
    slidepicture(0, 0);