// JavaScript Document
window.onload = seiho;
function seiho()  {
	
      var hoehe= document.getElementById("content").offsetHeight;
	    

	        var div = document.getElementById("navBar");
       div.style.height = hoehe+"px";
	       var div2 = document.getElementById("sidebar");
       div2.style.height = hoehe+"px";;
	 
	  }