// ************* Banner Function *************

var currLink2;
var myBannerInfo2 = new Array();
myBannerInfo2[0] = new Array('/images/banner/VON_Mag.gif','http://www.vonmag.com');
myBannerInfo2[1] = new Array('/images/banner/ipsummit_234x60.gif','http://www.telephonyonline.com/ipsummit');
myBannerInfo2[2] = new Array('/images/banner/234x60BannerAd.jpg','http://www.wimaxstrategies2006.com/');
myBannerInfo2[3] = new Array('/images/banner/telecomUWEB_ad234x60.gif','http://www.telecommagazine.com/media/GlobalCOMM2006.html');



myBanner2 = new Array;
for (var i2 = 0; i2 <= myBannerInfo2.length - 1; i2++) { 
	eval('myBanner2[' + i2 + '] = "' + myBannerInfo2[i2][0] + '"');
}

//alert(myBanner2.length);
var picNum2 = Math.round(Math.random() * (myBanner2.length - 1));
var rotateSpeed2 = 15000; // the time to rotate 1000 = 1 second  (default: 10000)

function showBanner2() {
	document.placeholder2.src = myBanner2[picNum2];
	currLink2 = picNum2;
	if (picNum2 >= myBanner2.length - 1){picNum2 = 0;} else{picNum2++};
	setTimeout("showBanner2()", rotateSpeed2);
}

function linkBanner2() {
	window.open (myBannerInfo2[currLink2][1]);
}


<!--[if lt IE 7]>
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}
window.attachEvent("onload", correctPNG);
<![endif]-->