JavaScript's simplest display layer and hidden layer code

Here we look at a piece of code, in fact, the display and hidden layer are using JS to get div ID then set his CSS tutorial style for Bolck or hidden on it, the following look at the function.

<script language= "Web Effects" type= "Text/javascript" >

Display Layer
function Public_show (Tarid)
{
var tar = document.getElementById (Tarid);
if (TAR) {
Tar.style.display = ' block ';
}
return false;
}
function Public_hidden (Tarid)
{
var tar = document.getElementById (Tarid);
if (TAR) {
Tar.style.display = ' None ';
}
return false;
}
</script>

Call method

<a href= "#" onclick= "public_show (' ppt ')" > Show </a>

The layer to display

<div id= ' ppt ' > This is the content Oh </div>