<!--
function altura()
{
	obj_esq = document.getElementById('coluna_esq');
	obj_dir = document.getElementById('coluna_dir');
	obj_pri = document.getElementById('meio');
	obj_container = document.getElementById('conteudo');
	altura_pri = parseInt(obj_container.offsetHeight) - 370 + "px";
	obj_esq.style.height = obj_dir.style.height = obj_pri.style.height = altura_pri;
}
-->