function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
mustInitImg = true;

function initImgID() {
	var di = document.images; 
		if (mustInitImg && di) 
			{ for (var i=0; i<di.length; i++) { 
		if (!di[i].id) di[i].id=di[i].name; } mustInitImg = false;}}

function findElement(n,ly) {
	var d = document;
	if (browserVers < 4)		return d[n];
	if ((browserVers >= 6) && (d.getElementById)) {initImgID; return(d.getElementById(n))}; 
	var cd = ly ? ly.document : d;
	var elem = cd[n];
	if (!elem) {
		for (var i=0;i<cd.layers.length;i++) {
			elem = findElement(n,cd.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (i=0;i<array.length;i+=2) {
			img = null; var n = array[i];
			if (d.images) {
				if (d.layers) {img = findElement(n,0);}
				else {img = d.images[n];}
			}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (!img && d.getElementsByName) {
				var elms = d.getElementsByName(n);
				if (elms) {
					for (j=0;j<elms.length;j++) {
						if (elms[j].src) {img = elms[j]; break;}
					}
				}
			}
			if (img) {img.src = array[i+1];}
		}
	}
}

function changeImages() {
	changeImagesArray(changeImages.arguments);
}

function toggleImages() {
	for (var i=0; i<toggleImages.arguments.length; i+=2) {
		if (selected == toggleImages.arguments[i])
			changeImagesArray(toggleImages.arguments[i+1]);
	}
}


function message_statusbar(message)
{ window.status=message; }


//********************************************************************************************************
// *********************These functions are part of the flatPHPbook script (c) 2003 by Thomas Hettenhausen
//********************************************************************************************************
function addHyperlink($urlQuestion, $nameQuestion)
{
	$oldValue = document.getElementById("messagebox").value;
	$linkurl = prompt($urlQuestion, "http://");
	$linkname = prompt($nameQuestion, $linkurl);
	if (($linkurl != "http://") && ($linkurl != null) && ($linkurl != ""))	{
		if (($linkname == null) || ($linkname == $linkurl))	{
			$newValue = $oldValue + "[url]" + $linkurl + "[/url]";
		}
		else {
			$newValue = $oldValue + "[url=" + $linkurl + "]" + $linkname + "[/url]";
		}
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}


function addEmail($addressQuestion, $nameQuestion)
{
	$oldValue = document.getElementById("messagebox").value;
	$linkurl = prompt($addressQuestion);
	$linkname = prompt($nameQuestion, $linkurl);
	if (($linkurl != "") && ($linkurl != null))	{
		if (($linkname == null) || ($linkname == $linkurl))	{
			$newValue = $oldValue + "[email]" + $linkurl + "[/email]";
		}
		else {
			$newValue = $oldValue + "[email=" + $linkurl + "]" + $linkname + "[/email]";
		}
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}


function addBold($boldQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$boldtext = prompt($boldQuestion, $yourTextGoesHere);
	if (($boldtext != null) && ($boldtext != ""))	{
		$newValue = $oldValue + "[b]" + $boldtext + "[/b]";
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}

function addItalics($italicQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$italicsText = prompt($italicQuestion, $yourTextGoesHere);
	if (($italicsText != null) && ($italicsText != ""))	{
		$newValue = $oldValue + "[i]" + $italicsText + "[/i]";
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}

function addUnderline($underlineQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$underlinedText = prompt($underlineQuestion, $yourTextGoesHere);
	if (($underlinedText != null) && ($underlinedText != ""))	{
		$newValue = $oldValue + "[u]" + $underlinedText + "[/u]";
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}



function addColor($colorQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$selectedSize = document.inputform.colorselect.options[document.inputform.colorselect.selectedIndex].value;
	if ($selectedSize != "color")	{
		$coloredText = prompt($colorQuestion, $yourTextGoesHere);
		if ($coloredText != null)	{
			$newValue = $oldValue + "[color=" + $selectedSize + "]" + $coloredText + "[/color]";
			document.getElementById("messagebox").value = $newValue;
		}
	}
	document.getElementById("messagebox").focus();
}

function addSize($sizeQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$selectedSize = document.inputform.sizeselect.options[document.inputform.sizeselect.selectedIndex].value;
	if ($selectedSize != "size")	{
		$sizedText = prompt($sizeQuestion, $yourTextGoesHere);
		if ($sizedText != null)	{
			$newValue = $oldValue + "[size=" + $selectedSize + "]" + $sizedText + "[/size]";
			document.getElementById("messagebox").value = $newValue;
		}
	}
	document.getElementById("messagebox").focus();
}


function addImage($imageQuestion)
{
	$oldValue = document.getElementById("messagebox").value;
	$imageLocation = prompt($imageQuestion, "http://");
	if (($imageLocation != "http://") && ($imageLocation != null) && ($imageLocation != ""))	{
		$newValue = $oldValue + "[img]" + $imageLocation + "[/img]";
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}


function addCode($codeQuestion, $yourTextGoesHere)
{
	$oldValue = document.getElementById("messagebox").value;
	$codeText = prompt($codeQuestion, $yourTextGoesHere);
	if (($codeText != null) && ($codeText != ""))	{
		$newValue = $oldValue + "[pre]" + $codeText + "[/pre]";
		document.getElementById("messagebox").value = $newValue;
	}
	document.getElementById("messagebox").focus();
}


function clearHelp()
{
	document.getElementById("jsHelpLine").innerHTML = "&nbsp;<br>";
}


function helpHyperlink($wwwHelp)
{
	document.getElementById("jsHelpLine").innerHTML = $wwwHelp;
}


function helpEmail($emailHelp){
	document.getElementById("jsHelpLine").innerHTML = $emailHelp;
}


function helpBold($boldHelp)
{
	document.getElementById("jsHelpLine").innerHTML = $boldHelp;
}


function helpItalics($helpItalics)
{
	document.getElementById("jsHelpLine").innerHTML = $helpItalics;
}


function helpUnderline($helpUnderline)
{
	document.getElementById("jsHelpLine").innerHTML = $helpUnderline;
}


function helpColor($helpColor)
{
	document.getElementById("jsHelpLine").innerHTML = $helpColor;
}


function helpSize($helpSize)
{
	document.getElementById("jsHelpLine").innerHTML = $helpSize;
}


function helpImage($helpImage)
{
	document.getElementById("jsHelpLine").innerHTML = $helpImage;
}


function helpCode($helpCode)
{
	document.getElementById("jsHelpLine").innerHTML = $helpCode;
}