function validaform()
{
	todos = document.getElementsByTagName('input');
	for(x = 0; x < todos.length; x++)
	{
		if (todos[x].checked)
		{
			return true;
		}
	}
	document.getElementById('div_msg').style.display = 'block';
	document.getElementById('msg').innerHTML = "<fieldset style:='300px; height:100px; border-color: #ff0000'><font color='red'>Selecione pelo menos um item</font></fieldset>";
	return false;
}

function buscaDescricao(id) {
	var espaco = id;
	
	if(espaco == 1) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Banner Selo';
		document.getElementById('lbl_local').innerHTML = 'P&aacute;ginas Internas';
		document.getElementById('lbl_dimensoes').innerHTML = '168 x 73px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute;kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 9,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else if(espaco == 2) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Ret&acirc;ngulo Vertical';
		document.getElementById('lbl_local').innerHTML = 'P&aacute;gina Principal e Internas';
		document.getElementById('lbl_dimensoes').innerHTML = '186 x 276px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute; 40kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 14,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else if(espaco == 3) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Ret&acirc;ngulo M&eacute;dio';
		document.getElementById('lbl_local').innerHTML = 'P&aacute;ginas Internas';
		document.getElementById('lbl_dimensoes').innerHTML = '300x 250px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute; 40kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 59,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else if(espaco == 4) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Big Banner';
		document.getElementById('lbl_local').innerHTML = 'P&aacute;gina Principal';
		document.getElementById('lbl_dimensoes').innerHTML = '607 x 100px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute; 40kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 29,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else if(espaco == 5) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Super Banner';
		document.getElementById('lbl_local').innerHTML = 'P&aacute;gina Principal e P&aacute;ginas Internas';
		document.getElementById('lbl_dimensoes').innerHTML = '728 x 90px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute; 40kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 34,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else if(espaco == 6) {
		document.getElementById('descricao_banner').style.display = 'block';
		document.getElementById('lbl_titulo').innerHTML = 'Banner Lateral';
		document.getElementById('lbl_local').innerHTML = 'Todas as P&aacute;ginas';
		document.getElementById('lbl_dimensoes').innerHTML = '120 x 600px';
		document.getElementById('lbl_formato').innerHTML = 'JPEG, GIF ou Flash';
		document.getElementById('lbl_peso').innerHTML = 'At&eacute; 40kb *';
		document.getElementById('lbl_valor').innerHTML = 'R$ 44,90 / M&ecirc;s';
		document.getElementById('lbl_obs').innerHTML = '* peso recomendado para carga inicial';
	} else {
		document.getElementById('descricao_banner').style.display = 'none';
	}
}