function showHideDiv () {
var dd1 = document.getElementById('content');
var dd2 = document.getElementById('menu');
var sd = document.getElementById('hide-content');
   if(dd1.style.display == "none" && dd2.style.display == "none")
   {
		   dd1.style.display = "block";
		   dd2.style.display = "block";
		   sd.innerHTML = "<a href='javascript:showHideDiv()'>Hide Content</a>";
   }
   else {
		   dd1.style.display = "none";
		   dd2.style.display = "none";
		   sd.innerHTML = "<a href='javascript:showHideDiv()'>Show Content</a>";
   }
}