Stuff

<script>add_drop_element('hola',10,200,300,300,'sdfasdf sdf','visible');

function add_drop_element(nombre,top,left,width,height,html,visibility)
{
var div = document.createElement('DIV');
div.id=nombre;
div.style.top=top+'px';
div.style.left=left+'px';
div.style.width=width+'px';
div.style.height=height+'px';
div.style.visibility=visibility;
div.innerHtml=html;
document.getElementsByTagName('BODY')[0].appendChild(div);
}

</script>