// JavaScript Document - Image Rollover & Preloader Functions

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 imageLoader() {
	if (document.images) {
		pre_subNav_over = newImage('../assets/image/subnav_bkg_ov.gif');
		pre_sub_joinBut_over = newImage('../assets/image/sec_join_but_ov.gif');
		
		preloadFlag = true;
	};
};