function DisplayBanner(bannerId) {
	var frame = document.getElementById('_bannerFrame');
	
	if (navigator.appVersion.indexOf("MSIE") >= 0) {
		var msie = navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE"), 8);
		var vers = msie.substr(msie.indexOf(" ") + 1);
		if (vers.valueOf() >= 7){
			frame.style.marginTop = "9px";
		}
		else {
			frame.style.marginTop = "4px";
		}
	}
	if (bannerId == 'main') {
		if (intervalId != 0)
			clearInterval(intervalId);
		intervalId = setInterval('DisplayBanner(\'main\')', 30000);
	} else
	{
		if (intervalId != 0)
			clearInterval(intervalId);
	}

	
	var RndNum4NoCash = Math.round(Math.random() * 1000000000);
	var ar_Tail='unknown'; if (document.referrer) ar_Tail = escape(document.referrer);
	var sz = '';
	
	if (bannerId) {
		sz = '&sz=' + bannerId; }

	var src = 'http://ad.adriver.ru/cgi-bin/erle.cgi?'
	+ 'sid=94454' + sz + '&target=blank&bt=1&pz=0&rnd=' + RndNum4NoCash + '&tail256=' + ar_Tail;
	//alert(src);
	//alert(bannerId);
	frame.src = src;
	
	/*document.write(
	'<iframe src="http://ad.adriver.ru/cgi-bin/erle.cgi?'
	+ 'sid=94454' + sz + '&target=blank&bt=1&pz=0&rnd=' + RndNum4NoCash + '&tail256=' + ar_Tail
	+ '" frameborder=0 vspace=0 hspace=0 width=468 height=60 marginwidth=0'
	+ ' marginheight=0 scrolling=no></iframe>');*/
	
	
	//Update left banner
	
	/*<script language="javascript" type="text/javascript"><!--
    var RndNum4NoCash = Math.round(Math.random() * 1000000000);
    var ar_Tail='unknown'; if (document.referrer) ar_Tail = escape(document.referrer);
    document.write(
    '<iframe src="http://ad.adriver.ru/cgi-bin/erle.cgi?'
    + 'sid=94454&target=blank&w=128&h=182&bt=15&pz=0&rnd=' + RndNum4NoCash + '&tail256=' + ar_Tail
    + '" frameborder=0 vspace=0 hspace=0 width=128 height=182 marginwidth=0'
    + ' marginheight=0 scrolling=no></iframe>');
    //--></script>*/

	frame = document.getElementById('_leftBannerFrame');
	
	if (navigator.appVersion.indexOf("MSIE") >= 0) {
		msie = navigator.appVersion.substr(navigator.appVersion.indexOf("MSIE"), 8);
		vers = msie.substr(msie.indexOf(" ") + 1);
		if (vers.valueOf() >= 7){
			frame.style.marginTop = "9px";
		}
		else {
			frame.style.marginTop = "4px";
		}
	}
	
	src = 'http://ad.adriver.ru/cgi-bin/erle.cgi?'
	+ 'sid=94454&target=blank&w=128&h=182&bt=15&pz=0&rnd=' + RndNum4NoCash + '&tail256=' + ar_Tail;
	//alert(src);
	//alert(bannerId);
	frame.src = src;
}