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 validarSubscricao(obj, lang) 
{	
	var mailregexp = /^[a-z0-9_\+-]+(\.[a-z0-9_\+-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*\.([a-z]{2,4})$/;	

	if (obj.subscricao_nome.value.length == 0 || obj.subscricao_nome.value == 'nome' || obj.subscricao_nome.value == 'name')
	{
		if (lang == "en") alert("Please insert a Name!\n"); 
		if (lang == "pt") alert("Tem que inserir o Nome!\n");
		
		return false;	
	}

	if (obj.subscricao_email.value.length == 0)
	{
		if (lang == "en") alert("Please insert an Email!\n"); 
		if (lang == "pt") alert("Tem que inserir o Email!\n");

		return false;	
	}
	else
	{ 
		if (!mailregexp.test(obj.subscricao_email.value))	
		{
			if (lang == "en") alert("Please insert a valid Email!\n"); 
			if (lang == "pt") alert("Tem que inserir um Email valido!\n");
			
			return false;
		} 
	}
}