if (document.images) {
    arImLoad = new Array (
       "images/sta11.gif",
       "images/sta12.gif",
       "images/stb11.gif",
       "images/stb12.gif",
       "images/stc11.gif",
       "images/stc12.gif",
	   "images/std11.gif",
       "images/std12.gif",
	   "images/ste11.gif",
       "images/ste12.gif",
       "images/stf11.gif",
       "images/stf12.gif",
       "images/stg11.gif",	   	   	   
       "images/stg12.gif",
       "images/sth11.gif",	   	   	   
       "images/sth12.gif",	   	   	   
       "images/sti11.gif",
       "images/sti12.gif",	   	   	   
       "images/stj11.gif",
       "images/stk11.gif",	   	   	   
       "images/stk12.gif",	   	   	   
       "images/stl11.gif",	   	   	   
       "images/stl12.gif"	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   	   
		);
    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.gif";}
             else { 
				 	whichIm2.src = "images/" + dir + "1.gif";}
    }