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 = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		sidenavinf_03_over = newImage("/contest/images/sidenavinf_03-over.gif");
		sidenavinf_05_over = newImage("/contest/images/sidenavinf_05-over.gif");
		sidenavinf_06_over = newImage("/contest/images/sidenavinf_06-over.gif");
		sidenavinf_07_over = newImage("/contest/images/sidenavinf_07-over.gif");
		sidenavinf_09_over = newImage("/contest/images/sidenavinf_09-over.gif");
		sidenavfrm_03_over = newImage("/contest/images/sidenavfrm_03-over.gif");
		sidenavfrm_05_over = newImage("/contest/images/sidenavfrm_05-over.gif");
		sidenavfrm_06_over = newImage("/contest/images/sidenavfrm_06-over.gif");
		sidenavfrm_07_over = newImage("/contest/images/sidenavfrm_07-over.gif");
		sidenavfrm_09_over = newImage("/contest/images/sidenavfrm_09-over.gif");
		ratedoodlemo_02_over = newImage("/contest/images/ratedoodlemo_02-over.gif");
		ratedoodlemo_03_over = newImage("/contest/images/ratedoodlemo_03-over.gif");
		ratedoodlemo_04_over = newImage("/contest/images/ratedoodlemo_04-over.gif");
		ratedoodlemo_05_over = newImage("/contest/images/ratedoodlemo_05-over.gif");
		ratedoodlemo_06_over = newImage("/contest/images/ratedoodlemo_06-over.gif");	
		fpnl_01_over = newImage("/contest/images/fpnl_01-over.gif");
		fpnl_02_over = newImage("/contest/images/fpnl_02-over.gif");
		fpnl_03_over = newImage("/contest/images/fpnl_03-over.gif");
		fpnl_04_over = newImage("/contest/images/fpnl_04-over.gif");				
		preloadFlag = true;
	}
}