if (document.images) {
    arImLoad = new Array (
       "images/b12.jpg",	   
       "images/b22.jpg",
       "images/b32.jpg",
       "images/b42.jpg",
       "images/b52.jpg",
       "images/b62.jpg",
	   "images/b72.jpg",	   
       "images/b82.jpg",
       "images/b92.jpg",
	   "images/b102.jpg"
		);
    arImList = new Array ();
    for (counter in arImLoad) {
        arImList[counter] = new Image();
        arImList[counter].src = arImLoad[counter];
    }
}
    function navOver(dir,over) {
	if (!document.images) {return};
		whichIm2 = document.images[dir];
	if (over) { 
				whichIm2.src = "images/" + dir + "2.jpg";}
             else { 
				 	whichIm2.src = "images/" + dir + "1.jpg";}
    }