<FORM>
...
<input type=button value="More" onclick="showit(1)">
...
<input type=button value="More" onclick="showit(2)">
...
</FORM>
<LAYER NAME=lgc1 visibility=hide 
STYLE="position:absolute; z-index:1;  top:10px; left:0px;">
<H3>Product INFO -[Class1]-</H3>
<P>Blablabla</P> <P>Blablabla</P>
<FORM><input type=button value="ok" onclick="hideit(1)"></FORM>
</LAYER>
<LAYER NAME=lgc2 visibility=hide  
STYLE="position:absolute; z-index:1; top:10px; left:200px;">
<H3>Product INFO -[Class2]-</H3>
<P>Blablabla</P>
<P>More information</P>
<FORM><input type=button value="ok" onclick="hideit(2)"></FORM>
</LAYER>