/*  preLoad() */



var iPath = 'images/';

var iExt = 'gif';

var suffix = new Array('on', 'off');



function preLoad()

{

  if(document.images)

  {

    var argLen = arguments.length;

    for(var i = 0; i < argLen; i++)

    {

      var arg = arguments[i];

      var sufLen = suffix.length;

      for(j = 0; j < sufLen; j++)

      {

        var suf = suffix[j]

        self[arg + '_' + suf] = new Image();

        self[arg + '_' + suf].src = iPath + arg + '_' + suf + '.' + iExt;

      }

    }   

  }

}