function defineHome(obj,dir){
 if (navigator.appName.indexOf("Microsoft") != -1) {
 	var container = document.getElementsByTagName('body')[0];
	var img = document.createElement('img');
	var div = document.createElement('div');
	img.setAttribute('src','http://www.hits.uolsinectis.com.ar/cert/hit.dll?sitio_id=102046&path=/portal/PaginaInicio/'+dir+'/agrego-ie.htm')	
	div.style.visibility = 'hidden';
	div.appendChild(img);
 	obj.style.behavior = 'url(#default#homepage)';
 	obj.setHomePage('http://www.sion.com/'+dir);
	container.appendChild(div);
 }
 else {
 	location.href="http://www.sion.com/inicio/";
 }
}


function checkListado(str, parentElement) {
	var container = document.getElementById(parentElement);
	if(!(/\w+/.exec(str))) {
		container.style.display = 'none';
	}
}