var currentheight;
var currentwidth;

window.onresize = OnOffAd;

OnOffAd()

function OnOffAd(){

	if(currentwidth != document.documentElement.clientWidth || currentheight != document.documentElement.clientHeight )
	{
		if (document.body.clientWidth>1300)
		{
		document.getElementById('web3_tower').innerHTML="<IFRAME style='position:fixed; top:0px; right:0px' FRAMEBORDER=0 MARGINWIDTH=0 MARGINHEIGHT=0 SCROLLING=NO WIDTH=160 HEIGHT=600 SRC='http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=160x600&section=754767'></IFRAME>";
		}
		else
		if (document.body.clientWidth>1220)
		{
		document.getElementById('web3_tower').innerHTML="<IFRAME  style='position:fixed; top:0px; right:0px'  FRAMEBORDER=0 MARGINWIDTH=0 MARGINHEIGHT=0 SCROLLING=NO WIDTH=120 HEIGHT=600 SRC='http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=120x600&section=754767'></IFRAME>";
		}
		else
		document.getElementById('web3_tower').innerHTML="";
	}
	
	currentheight = document.documentElement.clientHeight;
	currentwidth = document.documentElement.clientWidth;

}