function getElementsByClass( searchClass, tagName) {
	var domNode = document;
	if (tagName == null) tagName = '*';
	var el = new Array();
	var tags = domNode.getElementsByTagName(tagName);
	var tcl = " "+searchClass+" ";
	for(i=0,j=0; i<tags.length; i++) {
		var test = " " + tags[i].className + " ";
		if (test.indexOf(tcl) != -1)
			el[j++] = tags[i];
	}
	return el;
}


links = getElementsByClass('wikio','a');
for (i=0; i<links.length; i++) {
     if (links[i].innerHTML == 'Wikio'){
     	links[i].innerHTML='';
   		links[i].style.display='none';
     }
}