function fixH() 
{ 
var elm1 = document.getElementById('placescol');
elm1.style.height = 'auto';
var x = elm1.offsetHeight;
 
var elm2 = document.getElementById('servicescol');
elm2.style.height = 'auto';
var y = elm2.offsetHeight;

var elm3 = document.getElementById('thingstodocol');
elm3.style.height = 'auto';
var z = elm3.offsetHeight

var h = (x>y) ? x : y;
var h = (h>z) ? h : z;

document.getElementById('placescol').style.height = h + "px";
document.getElementById('servicescol').style.height = h + "px";
document.getElementById('thingstodocol').style.height = h + "px";

}