// 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) {
		sidebg_nav1_hover = newImage("images/sidebg_nav1_hover.jpg");
		sidebg_nav2_hover = newImage("images/sidebg_nav2_hover.jpg");
		sidebg_nav3_hover = newImage("images/sidebg_nav3_hover.jpg");
		sidebg_nav4_hover = newImage("images/sidebg_nav4_hover.jpg");
		sidebg_nav5_hover = newImage("images/sidebg_nav5_hover.jpg");
		sidebg_nav6_hover = newImage("images/sidebg_nav6_hover.jpg");
		preloadFlag = true;
	}
}