you can us multipal div
and add style i.e. style="display:none"
when you click on the menu then you can show only that div which you want to show.
javascript on click:
var oldDiv;
function clk(dvNm)
{
if(oldDiv!=null)
oldDiv.style.display="none";
var dv=document.getElementById(dvNm)
dv.style.display="";
oldDiv=dv;
}