function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		m1_over = newImage("../images/m1Sel.jpg");
		m2_over = newImage("../images/m2Sel.jpg");
		m3_over = newImage("../images/m3Sel.jpg");
		m4_over = newImage("../images/m4Sel.jpg");
		m5_over = newImage("../images/m5Sel.jpg");
		m6_over = newImage("../images/m6Sel.jpg");
		m7_over = newImage("../images/m7Sel.jpg");
		m8_over = newImage("../images/m8Sel.jpg");
		preloadFlag = true;
	}
}

function abreNoticia(id){

  alert ('Abrir popup com o ID #' + id);
}

function enviarOrcamento(form) {

	if (form.NomeEmpresa.value == '') {
		alert ('O campo Nome da Empresa deve ser preenchido');
		return false;
	}
	if (form.Email.value == '') {
		alert ('O campo Email deve ser preenchido');
		return false;
	}
	if (form.DescricaoEmpresa.value == '') {
		alert ('O campo Descricao deve ser preenchido');
		return false;
	}
	
	form.submit();
}

function enviarContato(form) {

	if (form.Nome.value == '') {
		alert ('O campo Nome deve ser preenchido');
		return false;
	}
	if (form.Email.value == '') {
		alert ('O campo Email deve ser preenchido');
		return false;
	}
	if (form.Assunto.value == '') {
		alert ('O campo Assunto deve ser preenchido');
		return false;
	}
	
	form.submit();
}

function abreJanela(url) {
  window.open(url,'DIKA Informática LTDA.','width=345, height=470, top=100, left=300');
}