function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function validarFaleConosco(frm)
{
	if(frm.txtNome.value == "")
	{
		alert(frm.txtNome.title);
		frm.txtNome.focus();
		return false;
	}
	
	if(frm.txtEmail.value == "" || !validarEmail(frm.txtEmail.value))
	{
		alert(frm.txtEmail.title);
		frm.txtEmail.focus();
		return false;
	}
	
	if(frm.txtTelefone.value == "")
	{
		alert(frm.txtTelefone.title);
		frm.txtTelefone.focus();
		return false;
	}
	
	if(frm.txtMensagem.value == "")
	{
		alert(frm.txtMensagem.title);
		frm.txtMensagem.focus();
		return false;
	}
	
	return true;
}