function newImage(arg) {

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}

function changeImages() {

  if (document.images && (preloadFlag == true)) {

    for (var i=0; i<changeImages.arguments.length; i+=2) {

      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");

    }

  }

}

var preloadFlag = false;

function preloadImages() {

	if (document.images) {

	image6on = newImage("images/sfs_06_f2.gif");

	image6off = newImage("images/sfs_06.gif");
	
	image7on = newImage("images/sfs_07_f2.gif");

	image7off = newImage("images/sfs_07.gif");
	
	image8on = newImage("images/sfs_08_f2.gif");

	image8off = newImage("images/sfs_08.gif");
	
	image9on = newImage("images/sfs_09_f2.gif");

	image9off = newImage("images/sfs_09.gif");
	
	image10on = newImage("images/sfs_10_f2.gif");

	image10off = newImage("images/sfs_10.gif");
	
	image11on = newImage("images/sfs_11_f2.gif");

	image11off = newImage("images/sfs_11.gif");
	
	image12on = newImage("images/sfs_12_f2.gif");

	image12off = newImage("images/sfs_12.gif");
	
	image13on = newImage("images/sfs_13_f2.gif");

	image13off = newImage("images/sfs_13.gif");

	image15on = newImage("images/sfs_15_f2.gif");

	image15off = newImage("images/sfs_15.gif");
	
	image16on = newImage("images/sfs_16_f2.gif");

	image16off = newImage("images/sfs_16.gif");
	
	image17on = newImage("images/sfs_17_f2.gif");

	image17off = newImage("images/sfs_17.gif");

	preloadFlag = true;

	}

}

preloadImages();