t = '<div class="kupujemy_prodadbox_box">    <div class="kupujemy_prodadbox_title">    Kupujemy.pl poleca:    </div>    <div class="kupujemy_prodadbox_body">			<div class="kupujemy_prodadbox_mgsm">Sklepów: <b>5</b></div>			<a href="http://pp.kupujemy.pl/stats/click_ad/lk63?redir=http://www.kupujemy.pl/nokia-booklet-3g-cena-sklep.html?from=lk63" class="kupujemy_proadbox_link">            <div class="kupujemy_prodadbox_prod_name">Netbook Nokia Booklet 3G</div>            <div class="kupujemy_prodadbox_mgsm_go">Zobacz szczegóły</div>            <br/>						<img class="kupujemy_prodadbox_img" src="http://adbox.kupujemy.pl/md/d/pd4/nok/ia-booklet-3g/si.jpg">        </a>        <div class="kupujemy_prodadbox_description"><br /></div>        <div class="kupujemy_prodadbox_minimum_price">            <div class="kupujemy_prodadbox_od">Od: </div>						<div class="kupujemy_prodadbox_price_min">2040.84 zł</div>            <div class="kupujemy_prodadbox_do">do </div>						<div class="kupujemy_prodadbox_price_max">2294.79 zł</div>        </div>    </div></div>';

function AdboxRemovekupujemy_prodadbox_1(node)
{
		var len = node.childNodes.length;
		while (node.hasChildNodes())
		{
				node.removeChild(node.firstChild);
		}
}
pelement = document.createElement('div');
pelement.innerHTML = t;
AdboxRemovekupujemy_prodadbox_1(document.getElementById('kupujemy_prodadbox_1'));
document.getElementById('kupujemy_prodadbox_1').appendChild(pelement);