window.onload = function()
{	
	equalize();
}

function equalize()
{
	var el_center = document.getElementById( 'center' );
	var el_right = document.getElementById( 'right' );
	
	var cols=[document.getElementById('center'),document.getElementById('right')];
	var max=Math.max(el_center.offsetHeight,el_right.offsetHeight);
	
	el_center.offsetHeight=max+'px';
	el_right.offsetHeight=max+'px';
}