if(document.images){
     onelit = new Image();
     onelit.src = "images/lm_homed.gif";
     twolit = new Image();
     twolit.src="images/lm_aboud.gif";
     threelit = new Image();
     threelit.src="images/lm_servd.gif";
     fourlit = new Image();
     fourlit.src="images/lm_04ted.gif";
     fivelit = new Image();
     fivelit.src="images/lm_05shd.gif";
     sixlit = new Image();
     sixlit.src="images/lm_06pad.gif";	
    
	
           
     onedim = new Image();
     onedim.src = "images/lm_homeu.gif";
     twodim = new Image();
     twodim.src="images/lm_abouu.gif";
     threedim = new Image();
     threedim.src="images/lm_servu.gif";
     fourdim = new Image();
     fourdim.src="images/lm_04teu.gif";
     fivedim = new Image();
     fivedim.src="images/lm_05shu.gif";
     sixdim = new Image();
     sixdim.src="images/lm_06pau.gif";	

}

function rollOn(n){
if (document.images){
   light=eval(n+"lit.src");
        document [n].src=light;
        }
}

function rollOff(n){
if (document.images){
        dark=eval(n+"dim.src");
        document [n].src=dark;
   }
}