// This section checks to see if the browser is IE4 var RunningIE4 RunningIE4 = (msieversion() >=4); function msieversion() { var ua = window.navigator.userAgent var msie = ua.indexOf ( "MSIE " ) if ( msie > 0 ) // is Microsoft Internet Explorer; return version number return parseInt ( ua.substring ( msie+5, ua.indexOf ( ".", msie ) ) ) else return 0 // is other browser } // Now comes the code to set up the rolling banners. The code that actually kicks off // the banner-rolling process is protected from // execution on non-IE4 browsers, so you can add it to pages and still have them compatible // with Navigator etc. var curBanner, intervalHandle curBanner = 0 // This page uses banner images // Declare and populate arrays to hold the image file names and corresponding hyperlink targets Bfiles = new Array() // image file names Btargets = new Array() // hyperlink targets Bfiles[0] = "kmtvbanner.jpg" Btargets[0] = "http://www.kompamagazinetv.com" Bfiles[1] = "ceepcobanner.jpg" Btargets[1] = "http://www.checkoutcds.com" Bfiles[2] = "kmboardbanner.jpg" Btargets[2] = "http://p080.ezboard.com/bkmboard" Bfiles[3] = "carimi_words.jpg" Btargets[3] = "http://www.carimi.com" function startBanner() { // This function creates an interval timer that calls the 'changeBanner()' function // every three seconds (3,000 milliseconds). Once started, it runs until the page is unloaded // The variable 'intervalHandle' can be used to cancel the interval timer // (the statement would be 'window.clearInterval(intervalHandle)') // However this page never cancels the interval, so the variable isn't strictly necessary. // This is the only statement which needs to be protected from execution on non-IE4 browsers. if (RunningIE4 == true) { intervalHandle = window.setInterval("changeBanner()",3000); } } function changeBanner() { // This function is called by the interval timer created in startBanner() above // First it increments the variable 'curBanner', rolling it back to zero instead if its // current value is equal to the highest element number in the image filename array. // Doing it this way ('if (curBanner == (Bfiles.length -1))') rather than a simple // 'if (curBanner == 2)' means that if you add extra entries onto the arrays, this routine // will adjust automatically if (curBanner == (Bfiles.length -1)) { curBanner = 0; } else { curBanner++} // Now change the displayed image and hyperlink target by updating the relevant properties // of the section below. Banner.src = Bfiles[curBanner] BannerTag.href = Btargets[curBanner] }