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 MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 checkMail(mail){
    var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
    if(typeof(mail) == "string"){
        if(er.test(mail)){ return true; }
    }else if(typeof(mail) == "object"){
        if(er.test(mail.value)){ 
                    return true; 
                }
    }else{
        return false;
        }
}

function validar(formobj,type){ 

   var fieldRequired; 
   var fieldDescription; 
   
   if (type == 0){//Fale Conosco
      fieldRequired = Array("email","message");
      fieldDescription = Array("E-mail", "Mensagem");
   }
   else if (type == 1){//Enviar artigos
      fieldRequired = Array("to", "name", "email");
      fieldDescription = Array("E-mail do destinatário", "Seu Nome", "Seu E-mail" );
   } 
  else if (type == 2){//Newsletter
      fieldRequired = Array("email");
      fieldDescription = Array("E-mail");
   }  
   
   var alertMsg = "Por favor, informe o(s) seguinte(s) campo(s):\n"; 
    
   var l_Msg = alertMsg.length; 
    
   for (var i = 0; i < fieldRequired.length; i++){ 
      var obj = formobj.elements[fieldRequired[i]]; 
      if (obj){ 
         switch(obj.type){ 
         case "select-one": 
            if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){ 
               alertMsg += "- " + fieldDescription[i] + "\n"; 
            } 
            break; 
         case "select-multiple": 
            if (obj.selectedIndex == -1){ 
               alertMsg += "- " + fieldDescription[i] + "\n"; 
            } 
            break; 
         case "text": 
         case "textarea": 
            if (obj.value == "" || obj.value == null){ 
               alertMsg += "- " + fieldDescription[i] + "\n"; 
            } 
            break; 
         default: 
         } 
         if (obj.type == undefined){ 
            var blnchecked = false; 
            for (var j = 0; j < obj.length; j++){ 
               if (obj[j].checked){ 
                  blnchecked = true; 
               } 
            } 
            if (!blnchecked) 
               alertMsg += " - " + fieldDescription[i] + "\n"; 
             
         } 
      } 
   } 

 
   if (alertMsg.length == l_Msg){ 
      var obj = formobj.elements[fieldRequired[0]]; 
      if (type != 1){
      if(!checkMail(formobj.email.value)){
        alert("Verifique se o " + fieldDescription[0] + " foi digitado corretamente.");
        return false;
      }
      }
      else if (type == 1){
      
      obj = formobj.elements[fieldRequired[0]]; 
      if(!checkMail(formobj.to.value)){
        alert("Verifique se o " + fieldDescription[0] + " foi digitado corretamente.");
        return false;
      }      
      
        obj = formobj.elements[fieldRequired[2]]; 
        if(!checkMail(formobj.email.value)){
        alert("Verifique se o " + fieldDescription[2] + " foi digitado corretamente.");
         return false;     
        }
      }
      formobj.submit();
      return true; 
   }else{ 
      alert(alertMsg); 
      return false; 
   } 
} 
function showStuff(id) {
		document.getElementById(id).style.display = 'block';
}
	
function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}