(function( $ ){
  $.fn.inputAlterText = function( options ) {

    this.each(function(){
          var o = $(this);
          var a;
          var t = o.attr('title');
          o.val(t);
          o.focus(function(){
            a = ( o.val()=="" || o.val()==t ? '' : o.val() );
            o.val(a);
          });
          o.blur(function(){
            a = ( o.val()=="" ? t : o.val() );
            o.val(a);
          });

    });
  };
})( jQuery );



//validace email
function validateEmail( email ) {
 var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
 var address = email;
 if(reg.test(address) == false) {
    return false;
 }
 return true;
}



(function( $ ){
  $.fn.antispam = function( options ) {
    var settings = {'emailname' : 'i','emaildomain' : 'd','emailltd' : 'c'};
    if ( options ) { $.extend( settings, options );}
    this.each(function(){
      aemail = $(this).html().split(',');
        if( aemail[0] == undefined ){ aemail[0] = settings.emailname; }
        if( aemail[1] == undefined ){ aemail[1] = settings.emaildomain; }
        if( aemail[2] == undefined ){ aemail[2] = settings.emailltd; }
        $(this).attr( 'href','mailto: ' + aemail[0] + '@' + aemail[1] + '.' + aemail[2] );
        if( aemail[3] == undefined ){
          $(this).html( aemail[0] + '@' + aemail[1] + '.' + aemail[2] );
        }else{
          $(this).html( aemail[3] );
        }

    });
  };
})( jQuery );