//  Customize these lines for your needs:
var n = 'webmaster';
var d = 'plussuministros.com.mx';

//  Returns <text> coded.
//  THE FUNCTION MUST NOT BE LOCATED INTO THE HTML PAGE TO REDUCE THE RISK OF WRITING THE CLEAR E-MAIL ADDRESS.
function code(text) {
  var c='';
  var i=0;
  j = text.length;
  c = '';
  for(i; i<j; i++)  {
    c += '&#' + text.charCodeAt(i) + ';';
  }
  return c;
}

//  Insert the coded 'mailto' into the document.
function mailtoHidden(text) {
  var cnd = code(n)+ '&#64' + code(d);
  var c = code("mailto:") + cnd;
  if(text == null)
    document.write('<a href= "' + c + '" class="azul">' + cnd + '</a>');
  else  
    document.write('<a href= "' + c + '" class="azul">' + text + '</a>');
}