function URLEncode (clearString) {

  var output = '';

  var x = 0;

  clearString = clearString.toString();

  var regex = /(^[a-zA-Z0-9_.]*)/;

  while (x < clearString.length) {

    var match = regex.exec(clearString.substr(x));

    if (match != null && match.length > 1 && match[1] != '') {

            output += match[1];

      x += match[1].length;

    } else {

      if (clearString[x] == ' ')

        output += '+';

      else {

        var charCode = clearString.charCodeAt(x);

        var hexVal = charCode.toString(16);

        output += '%' + ( hexVal.length < 2 ? '0' : '' ) + hexVal.toUpperCase();

      }

      x++;

    }

  }

  return output;

}

 

$(document).ready(function() { 
      $('.login').each(function() { 
           var loginUrl = $(this).attr('href'); 
           var href = location.href; 
           if (loginUrl.indexOf('?') > 0) 
                loginUrl = loginUrl.substring(0, loginUrl.indexOf('?') ); 
           if (location.href.toLowerCase().indexOf('login.php') > 0) 
                href = '/forum/search.php?do=getdaily'; 
           $(this).attr('href', loginUrl + '?url=' + URLEncode(href) );      
      }); 
 });