function replaceurl (bid, w, h, lnk) { 
	document.getElementById('divbnr_'+bid).innerHTML += '<img class="design" src="design/img/null.gif" alt="" id="imgblank_'+bid+'" style="background-color:transparent; position:absolute; top:0px; left: 0px; cursor:pointer; cursor:hand; width:'+w+'px; height:'+h+'px">';
	document.getElementById('imgblank_'+bid).onclick=function() {window.location.href=lnk;}
}