function writeContactEmail() { 
    document.write('<a href="m');
    document.write('ail');
    document.write('to:zensor');
    document.write('@');
    document.write('ze');
    document.write('nsor');  
    document.write('.');    
    document.write('no'); 
    document.write('">zen');
    document.write('sor');
    document.write('@');
    document.write('zensor');
    document.write('.');
    document.write('no'); 
    document.write('</a>');     
  }