// JavaScript Document

// ABRE POP UPS

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function LTrim(str)
{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
      var j=0, i = s.length;
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;
      s = s.substring(j, i);
   }
   return s;
}

function RTrim(str)
{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);
   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      var i = s.length - 1;       // Get length of string
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;
      	s = s.substring(0, i+1);
   }

   return s;
}
function Trim(str)
{
   return RTrim(LTrim(str));
}


var nav4 = window.Event ? true : false;
function acceptNum(evt){	
var key = nav4 ? evt.which : evt.keyCode;	
return (key <= 13 || (key >= 48 && key <= 57));
}

function validarmail(pass)
{
    if (pass)
    {
       var tevaloresults = true;
       var index = 0;
       var filter=/^.+@.+\..{2,3}$/
       var filter2=/\.\./
       var rejected = false;
       var rejectedDomain=new Array();
       rejectedDomain[index]="";
       if (filter.test(pass))
       {
	    	var tempstring = pass.split("@");
            tempstring = tempstring[1].split(".")
            for ( i = 0; i < rejectedDomain.length; i++) 
              if (tempstring[0]==rejectedDomain[i])
                rejected=true
            if (rejected)
            {
              return false
            }
            if ( filter2.test(pass) )
              return false;
       }
       else
         return false;
   }
   else
     return false;
  return true;
}


function validar(Input) {
	var msg="";
	if (Trim(Input.txtNombre.value) == "")
		{msg += "Ingrese su nombre.\n"}
	if (Trim(Input.txtEmail.value) != "")
		{		
		if (validarmail(Input.txtEmail.value)==false)
			{msg += "El e-mail ingresado no es válido.\n"}
		}
	else
		{msg += "Ingrese su e-mail.\n"}	
	if (Trim(Input.txtMensaje.value) == "")
		{msg += "No ha escrito ningún mensaje.\n"}
	if (msg != "")
		{  
			window.alert(msg);
			return false;
		}		
	else
		return true;
}