// define browser version
var browserVersion = parseInt (navigator.appVersion);

// preload images
function imgPreload (path) {
	var numLinks = 5;

	if (browserVersion > 2) {
		var imgLink = new Array (numLinks);
		var imgLinkA = new Array (numLinks);
		var item = 1;

	  for (i = 0; i < numLinks; i++) {
	    imgLink[i] = new Image();
	    eval ('imgLink[' + i + '].src = "' + path + 'link' + item + '.gif"');
	    imgLinkA[i] = new Image();
	    eval ('imgLinkA[' + i + '].src = "' + path + 'link' + item + 'a.gif"');
			item ++;
	  } 
	}
	
	return true;
}

// rollover image
function imgLoad (nameTarget, imgName) {
	if (browserVersion > 2) {
		if (document.images) {
			document[nameTarget].src = imgName;
		}
	}
	return true;
}