var l = document.getElementById('inner_left_col').offsetHeight;
var r = document.getElementById('inner_right_col_2').offsetHeight;
var m = r;

if (l > r)
	{
	m = l;
}else{
	m = r;
	}


document.getElementById('inner_left_col').style.height = m + 'px';
document.getElementById('inner_right_col_2').style.height = m + 'px';