//call equalHeights() with domready

// dvis = $$('all columns ids you want the same height');



function equalHeights() {

var height = 0;



divs = $$('#content','#contactForm');

 

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' );

 }

}); 

}



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

	equalHeights();	

});