var imgNames = ['main_bg','header_left','header_right','left_col_top','right_col_top','resources','supporters','about','howtohelp','blog','news','store','contactus','readmore_bg','readmore_dot_bg','bottom_bg','bottom_curve'];
var imgObjects = [];

for (var i = 0; i < imgNames.length; i++)
{
  imgObjects[i] = new Image();
  imgObjects[i].src = '/images/' + imgNames[i] + '.gif';

  //test function
  /*imgObjects[i].onload = function()
  {
    alert('Image preloaded.');
  };*/
}