function mOver(id1,id2,image,nav,navStyle,navValue){
	if(document.getElementById(id1)){
		document.getElementById(id1).style.backgroundImage = "url("+image+")";
	}
	if(document.getElementById(id2)){
		document.getElementById(id2).style.backgroundImage = "url("+image+")";
	}
	if(document.getElementById(nav)){
		strNav = 'document.getElementById("'+nav+'").style.'+navStyle+' = "'+navValue+'"';
		eval(strNav);
	}
}

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) {
		nav_bullet_over = newImage("/images/nav_bullet_over.gif");
		nav_bg_over = newImage("/images/nav_bg_over.jpg");
		nav_sub_bullet = newImage("/images/nav_sub_bullet.gif");
		nav_sub2_bullet = newImage("/images/nav_sub2_bullet.gif");
		preloadFlag = true;
	}
}