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

// preload images
function imgHomePreload (path) {
	var numLinks = 7;

	if (browserVersion > 2) {
		var imgHomeLink = new Array (numLinks);
		var imgHomeLinkOver = new Array (numLinks);
		var item = 1;

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

function imgPreload (path) {
	var numLinks = 8;
	
	if (browserVersion > 2) {
		var imgLink = new Array (numLinks);
		var imgLinkOver = new Array (numLinks);
		var item = 0;

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