var urlI = "img/";
var loadedImages = new Array (
	"but1_on.gif",
	"but2_on.gif",
	"but3_on.gif",
	"but4_on.gif",
	"but5_on.gif",
	"but6_on.gif",
	"but7_on.gif",
	"but8_on.gif",
	"but9_on.gif"
);

function preloadImages() {

	var xImages = new Array ();
                      
 		for (i=0; i < loadedImages.length; i++) {
			xImages[i] = new Image ();
			xImages[i].src = urlI + loadedImages[i];
		}
}

function DoOver(iname,state) {	
	if(state) nameButton = iname;
	document.images[nameButton].src = state ? urlI+nameButton+"_on.gif" : urlI+nameButton+"_of.gif";
}

function DoOver2(iname,state) {	
	if(state) nameButton = iname+"1";
	document.images[nameButton].src = state ? urlI+iname+"_on.gif" : urlI+iname+"_of.gif";
}

preloadImages();