//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

function validaComment(){
	var comentario = document.getElementById('comment');
	var autor = document.getElementById('author');
	var email = document.getElementById('email');
	var retorno=false;

	if (autor != null && email!=null) //normal
		retorno = comentario.value!='' && autor.value!='' && email.value!='' && echeck(email.value);
	else
		retorno = comentario.value!='' ;
	return retorno;
}
//validación de emails
function echeck(str) {
	var error = false;
	var at = "@";
	var dot = ".";
	var lat = str.indexOf(at);
	var lstr = str.length;
	var ldot = str.indexOf(dot);

	if (str.indexOf(at)==-1)
	   error = true; 

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	   error = true;
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		error = true; 
	
	 if (str.indexOf(at,(lat+1))!=-1)
		error = true; 
	 
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		error = true; 
	 
	 if (str.indexOf(dot,(lat+2))==-1)
		error = true; 
	 
	 if (str.indexOf(" ")!=-1)
		error = true; 
	 
	 return !error;				
}

function ismaxlength(obj){
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : "";
	if (obj.getAttribute && obj.value.length>mlength)
		obj.value=obj.value.substring(0,mlength);
}