var nmnum=0;
var si;
function ChangeBannerImage(num)
{
	nmnum=num;
	var showid="bannerimage"+num;
	var tabshowid="Image"+num;
	var showsrc="left_tabs/orange"+num+".jpg";
	for(n=1;n<=4;n++)
	{
		var objid="bannerimage"+n;
		var tabid="Image"+n;
		var imgsrc="left_tabs/grey"+n+".jpg";
		document.getElementById(objid).style.display="none";
		document.getElementById(tabid).src=imgsrc;
	}
	document.getElementById("downloadbtn").style.display="none";
	document.getElementById("learnmorebtn").style.display="none";
	document.getElementById(showid).style.display="block";
	document.getElementById(tabshowid).src=showsrc;
	if(num>1 && num<5)
	{
		document.getElementById("downloadbtn").style.display="inline-block";
		document.getElementById("learnmorebtn").style.display="inline-block";
	}
}
function BannerLeft()
{
	if(nmnum==0 || nmnum==1)
	{
		nmnum=4;	
	}
	else
	{
		nmnum--;
	}
	ChangeBannerImage(nmnum);
}
function BannerRight()
{
	if(nmnum==0) nmnum=1;
	if(nmnum==4)
	{
		nmnum=1;	
	}
	else
	{
		nmnum++;
	}
	ChangeBannerImage(nmnum);
}
function StartBanners()
{
	if(nmnum==4)
	nmnum=0;
	nmnum++;
	ChangeBannerImage(nmnum);
}
function BannerResume()
{
	si=setInterval("StartBanners()",2500);
}
function BannerPause()
{
	clearInterval(si);
}
function DownloadPage()
{
	var dps=Array();
	dps[1]="";
	dps[2]="http://www.regnow.com/softsell/nph-softsell.cgi?item=23355-1&affiliate=506200";
	dps[3]="http://www.dpbolvw.net/click-3491529-10575716";
	dps[4]="http://www.kqzyfj.com/4k104ft1zt0GLIMQIPJGIHOMHQPH?url=http%3A%2F%2Fbuy.norton.com%2Fps%3Fctry%3DUS%26lang%3DEN%26selSKU%3D20990627%26ptype%3Dpd%26cjid%3D%25zp&cjsku=20990627";
	if(nmnum==0)
	window.open(dps[1]);
	else
	window.open(dps[nmnum]);
}
function LearnMorePage()
{
	var lps=Array();
	lps[1]="";
	lps[2]="download-bitdefender-antivirus.php";
	lps[3]="download-kaspersky-antivirus.php";
	lps[4]="download-norton-antivirus.php";
	if(nmnum==0)
	document.location=lps[1];
	else
	document.location=lps[nmnum];
}
<!--
function MM_preloadImages() { //v3.0
document.getElementById("Image1").src="left_tabs/orange1.jpg";
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore(nm) { //v3.0
	if(nm!=nmnum)
	{
	  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->