window.onload = function(){
    if (document.getElementById("links") != null) {
	if ( document.getElementById("content").offsetHeight < document.getElementById("links").offsetHeight ){
	    document.getElementById("content").style.height = document.getElementById("links").offsetHeight;
	}
	if ( document.getElementById("content").offsetHeight > document.getElementById("links").offsetHeight ){
	    document.getElementById("links").style.height = document.getElementById("content").offsetHeight;
	}
    }
    if (document.getElementById("links-left") != null) {
	if( document.getElementById("content").offsetHeight < document.getElementById("links-left").offsetHeight ){
	    document.getElementById("content").style.height = document.getElementById("links-left").offsetHeight;
	}
	if( document.getElementById("content").offsetHeight > document.getElementById("links-left").offsetHeight ){
	    document.getElementById("links-left").style.height = document.getElementById("content").offsetHeight;
	}
    }
}