window.addEvent('domready', function() {

divs = $$('#eqh1','#eqh2');
height=0;
divs.each( function(e){
 if (e.offsetHeight > height){
  height = e.offsetHeight;
 }
});
 
divs.each( function(e){
 e.setStyle( 'height', height + 'px' );
 if (e.offsetHeight > height) {
  e.setStyle( 'height', (height - (e.offsetHeight - height)) + 'px' );
 }
}); 
});