function horizontal() {

	var navItems = document.getElementById("menu_dropdown").getElementsByTagName("li");

	for (var i = 0; i < navItems.length; i++) {
		if (navItems[i].className == "submenu") {
			if (navItems[i].getElementsByTagName('ul')[0] != null) {
				navItems[i].onmouseover = function () { this.getElementsByTagName('ul')[0].style.display = "block"; this.style.backgroundColor = "#f9f9f9"; }
				navItems[i].onmouseout = function () { this.getElementsByTagName('ul')[0].style.display = "none"; this.style.backgroundColor = "#FFFFFF"; }
			}
		}
	}
}
	
function validarBusca()
{
	var form = document.forms['formBusca']
	
	if(form.busca.value == '')
	{
		alert('Preencha corretamente o campo busca.');
		form.busca.focus();
		return;	        
	}
	
	form.target = "_parent";
	form.action = 'busca.asp?busca='+ form.busca.value;
	form.submit();
}

function validarBuscaAnimal() {
	var form = document.forms['formBuscaAnimal']

	if (form.busca.value == '') {
		alert('Preencha corretamente o campo busca.');
		form.busca.focus();
		return;
	}

	form.target = "_parent";
	form.action = 'busca.asp?busca=' + form.busca.value;
	form.submit();
}
		
function validarEmail()
{	
	var form = document.forms['formEmail']
		
	if (form.email.value == '' || form.email.value.indexOf(".") < 2 || form.email.value.indexOf("@") < 2)
	{
		alert('Preencha corretamente o campo e-mail.');
		form.email.focus();
		return;
	}
		
	form.target = "_blank";
	form.action = 'newsletter_grava.asp?Nome='+ form.nome.value +'&Email='+ form.email.value;
	form.submit();
}