if(nk6Ad=document.getElementsByTagName('body')[0]){

var minW=500, minH=300, nk6Ad=document.getElementsByTagName('body')[0], _w=nk6Ad.clientWidth<=0?400:nk6Ad.clientWidth, _h=nk6Ad.clientHeight<=0?200:nk6Ad.clientHeight;

if(self==top || (_w>minW && _h>minH)){

	if(document.body.bgColor)bg=document.bgColor;

	else{

		var j='backgroundColor',c='background-color';

		if(nk6Ad.style[j]&&nk6Ad.style[j].length) bg=nk6Ad.style[j]

		else if(nk6Ad.currentStyle) bg=nk6Ad.currentStyle[j];

		else bg=document.defaultView.getComputedStyle(nk6Ad,"").getPropertyValue(c);

		}

	if(!/^#.{6}$/.test(bg))bg='#ffffff';

	src = 'http://nk6.pl/reklama/ads.html?'+bg.substring(1,7);

	ok = true;

	try{if(ok&&self!=parent&&parent.document.getElementsByTagName('body')[0].firstChild==parent.dif)ok=!1}catch(e){}

	try{if(nk6Ad.firstChild==dif)ok=!1}catch(e){}

	if(ok){

		dif=document.createElement('div');with(dif.style){textAlign='center';height='21px'}dif.innerHTML='<iframe align="center" src="'+src+'" scrolling="no" frameborder="0" style="display: block !important; position: absolute; left: 50% !important; top:3px !important; z-index:10000 !important; margin-left: -364px !important; height:15px !important;width:728px !important;border:0px !important"></' + 'iframe>';

		nk6Ad.insertBefore(dif,nk6Ad.firstChild)

		}

	}

}