// JavaScript Document
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) {
				photoLrg_bal = newImage("{$ImagesDir}/photoLrg_bal.jpg");
				photoLrg_core = newImage("{$ImagesDir}/photoLrg_core.jpg");
				photoLrg_flex = newImage("{$ImagesDir}/photoLrg_flex.jpg");
				photoLrg_shoulder = newImage("{$ImagesDir}/photoLrg_shoulder.jpg");
				photoLrg_pod = newImage("{$ImagesDir}/photoLrg_pod.jpg");
				
				balance_over_spnav = newImage("{$ImagesDir}/balance_over_spnav.jpg");
				core_over_spnav = newImage("{$ImagesDir}/core_over_spnav.jpg");
				flex_over_spnav = newImage("{$ImagesDir}/flex_over_spnav.jpg");
				shoulder_over_spnav = newImage("{$ImagesDir}/shoulder_over_spnav.jpg");
				trainingpak_over_spnav = newImage("{$ImagesDir}/trainingpak_over_spnav.jpg");
		preloadFlag = true;
	}
}