// JavaScript Document

function MMWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function comprar() {
	  if (document.getElementById) { // DOM3 = IE5, NS6
  		if (document.getElementById('form_dados').style.display == 'block'){
        document.getElementById('form_dados').style.display = 'none';
    }
    else{
        document.getElementById('form_dados').style.display = 'block';
    }
	}
}

function valorTotal() {
	var qtde = document.getElementById('qtde').value;
	
	var total = qtde * 15;
	document.getElementById('valor').value = total + ".00";
}