function preloadImages(){
	for(i=0;i<imgArray.length;i++){
		newImage[i] = new Image();
		newImage[i].src = imgArray[i];
	}
}

function showLink(index){
	var tempLink = document.getElementById("link"+index);
	var tempLeft = document.getElementById("link"+index+"L");
	var tempRight = document.getElementById("link"+index+"R");
	tempLink.className = "selected";
	tempLeft.src="images/nav_onLeft.jpg";
	tempRight.src="images/nav_onRight.jpg";	
}
function hideLink(index){
	var tempLink = document.getElementById("link"+index);
	var tempLeft = document.getElementById("link"+index+"L");
	var tempRight = document.getElementById("link"+index+"R");
	tempLink.className = "none";
	tempLeft.src="images/nav_offLeft.jpg";
	tempRight.src="images/nav_offRight.jpg";	
}