<script>
var open = 0;
function putElem(){
if (open == 0){
n1.style.visibility = "visible";
open = 1;
} else {
n1.style.visibility = "hidden";
open = 0;
}
}
</script>
<a href="" onClick="putElem(); return false;">ссылка </a>
<div id="n1" style="position:absolute;visibility:hidden;text-align:justify;">
текст все дела....
</div>