function nav_enumeration () {
 	
	return new Array('home', 'software', 'about', 'pictures', 'fun', 'links');
 
 }
 
 function get_nav_layer_images() {
 		return document.images;
 }


function reloadPreviewDiv() {
	var text = document.getElementById("commentText").value;
	
	text = text.replace(/&/g, '&');
	text = text.replace(/</g, '&lt;');
	text = text.replace(/[\n\r]/g, '<br />');
	
	document.getElementById("commentPreview").innerHTML = text;
}
 

 function nav_preload() {
	
	// Can't use preload because of browser 
	// behavior with animated GIFs.
	//
	return 1;
	
	var nav_names = nav_enumeration();
	image_cache = new Array();
		
	for (index in nav_names) {
	
		var name = nav_names[index];
		var name_over = "nav_" + name + "-over";
		var name_out = "nav_" + name + "-out";
		var name_still = "nav_" + name;
		
		image_cache[name_over] = new Image();
		image_cache[name_over].src = "/images/" + name_over + ".gif";
		
		image_cache[name_out] = new Image();
		image_cache[name_out].src = "/images/" + name_out + ".gif";

		image_cache[name_still] = new Image();
		image_cache[name_still].src = "/images/" + name_still + ".gif";


	}
	
 	return 1;
 }

function nav_over(id) {

 //	var nav_images = get_nav_layer_images();
 
 	var fullname = "nav_" + id;
//	nav_images[fullname].src = image_cache[fullname + "-over"].src;
//	nav_images[fullname].src = "/images/" + fullname + "-over.gif";

	var img = document.getElementById(id);
	if (img) {
		img.setAttribute("src", "/images/" + fullname + "-over.gif");
	}

}

function nav_out(id) {
 	
// 	var nav_images = get_nav_layer_images();
 	var fullname = "nav_" + id;
// 	nav_images[fullname].src = image_cache[fullname + "-out"].src;
//	nav_images[fullname].src = "/images/" + fullname + "-out.gif";

	var img = document.getElementById(id);
	if (img) {
		img.setAttribute("src", "/images/" + fullname + "-out.gif");
	}
}




function msie_replace_png_imgs() {

	if (!is_msie()) return;

	var i, elements;

	elements = document.getElementsByTagName("img");
	for (i = 0; i < elements.length; i++) {
		var img = elements[i];
		if (img.src.toLowerCase().search(/\.png$/) < 0) continue;

		img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + img.src  + "', sizingMethod='image')";
		img.src = "/images/spacer.gif";

	}

	elements = document.getElementsByTagName("input");
	for (i = 0; i < elements.length; i++) {
		var input = elements[i];
		if (input.getAttribute("type") != "image") continue;
		if (input.getAttribute("src").toLowerCase().search(/\.png$/) < 0) continue;

		input.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + input.src  + "', sizingMethod='image')";
		input.src = "/images/spacer.gif";
	}

}

function is_msie() {
		return navigator.userAgent.toLowerCase().indexOf("msie") != -1; 
}