this is what you might be looking for
<body style="height:1000px;">
<div style="margin-top:800px;"></div>
<a href="" class="link" onmouseover="showTitle()">your link show title</a><body></body></body>
<script>
function showTitle(){
var link = document.getElementById("link");
if(screen.height link.style.top="-200%";
}else{
link.style.top="100%";
}
}
</script>
<style>
.link{
position:relative;
}
.anchorTitle{
display:none;
position:absolute;
background:#F60;
}
.link:hover .anchorTitle{
display:block;
background:#F60;
}
</style>