/**
 * Handle an onclick event
 */
function onClickDefaultTextHandler(element,defaultText) {
	if (!element) {
		return false;
	}
	// Check if the default text is still displayed, if so removed the example
	// class and clear the text
	if (element.value == defaultText) {
		element.className = element.className.replace('text-example','');
		element.value = '';
	} else if (element.value == '') {
		element.className =	element.className + ' text-example';
		element.value = defaultText;
	}
	return true;
}


/*
 *  Browser Detect Lite
 */
function BrowserDetectLite() {
	var ua = navigator.userAgent.toLowerCase();

	// browser name
	this.isGecko     = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
	this.isMozilla   = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
	this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
	this.isIE        = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) );
	this.isSafari    = (ua.indexOf('safari') != - 1);
	this.isOpera     = (ua.indexOf('opera') != -1);
	this.isKonqueror = (ua.indexOf('konqueror') != -1 && !this.isSafari);
	this.isIcab      = (ua.indexOf('icab') != -1);
	this.isAol       = (ua.indexOf('aol') != -1);

	// spoofing and compatible browsers
	this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
	this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);

	// browser version
	this.versionMinor = parseFloat(navigator.appVersion);

	// correct version number
	if (this.isNS && this.isGecko) {
		this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
	}
	else if (this.isIE && this.versionMinor >= 4) {
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
	}
	else if (this.isMozilla) {
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
	}
	else if (this.isSafari) {
		this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
	}
	else if (this.isOpera) {
		if (ua.indexOf('opera/') != -1) {
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
		}
		else {
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );
		}
	}
	else if (this.isKonqueror) {
		this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
	}
	else if (this.isIcab) {
		if (ua.indexOf('icab/') != -1) {
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );
		}
		else {
			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );
		}
	}

	this.versionMajor = parseInt(this.versionMinor);
	this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );

	// dom support
	this.isDOM1 = (document.getElementById);
	this.isDOM2Event = (document.addEventListener && document.removeEventListener);

	// css compatibility mode
	this.mode = document.compatMode ? document.compatMode : 'BackCompat';

	// platform
	this.isWin   = (ua.indexOf('win') != -1);
	this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
	this.isMac   = (ua.indexOf('mac') != -1);
	this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
	this.isLinux = (ua.indexOf('linux') != -1);

	// specific browser shortcuts
	this.isNS4x  = (this.isNS && this.versionMajor == 4);
	this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
	this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
	this.isNS4up = (this.isNS && this.versionMinor >= 4);
	this.isNS6x  = (this.isNS && this.versionMajor == 6);
	this.isNS6up = (this.isNS && this.versionMajor >= 6);
	this.isNS7x  = (this.isNS && this.versionMajor == 7);
	this.isNS7up = (this.isNS && this.versionMajor >= 7);

	this.isIE4x  = (this.isIE && this.versionMajor == 4);
	this.isIE4up = (this.isIE && this.versionMajor >= 4);
	this.isIE5x  = (this.isIE && this.versionMajor == 5);
	this.isIE55  = (this.isIE && this.versionMinor == 5.5);
	this.isIE5up = (this.isIE && this.versionMajor >= 5);
	this.isIE6x  = (this.isIE && this.versionMajor == 6);
	this.isIE6up = (this.isIE && this.versionMajor >= 6);

	this.isIE4xMac = (this.isIE4x && this.isMac);
}
var browser = new BrowserDetectLite();


/*
 *  Redirect old browsers
 */
if (browser.isNS4x || browser.isIE4x) {
	alert('This application requires a better browser.\nYou will be redirected to webstandards.org!');
	document.location = 'http://archive.webstandards.org/upgrade/';
}


/*
 *  On demand redirect
 */
function showPage(serverAction) {
	var serverURL = 'index.php?Show=' + serverAction;
	document.location.replace(serverURL);
}


/*
 *  Popup
 */
function showPopup(url) {
	window.open(url, "", "width=550, height=645, status=1")
}
function closePopup(parenturl) {
	opener.window.location = parenturl;
	self.close();
}


/*
 *  PNG fix (yuck!)
 */
if (browser.isIE5x || browser.isIE6x) { 
	window.attachEvent('onload', function() {
		var blank = "/media/images/empty.gif";
		
		if( document.all ) 
			all = document.all;
		else if( !document.all && document.getElementsByTagName ) 
			all = document.getElementsByTagName('*');
		else 
			return;
			
		for( i=0; i<all.length; i++ ){ 
			element = all[i];
			
			if( element.nodeName.toLowerCase() == 'img' ){
				if( /\.png$/.test( element.src.toLowerCase() ) ) {
					element.style.width = element.width + 'px';
					element.style.height = element.height + 'px';
					element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + element.src + "',sizingMethod='scale')";
					element.src=blank;
				} else {
					element.runtimeStyle.filter = "";
				}
				
			} else {
			
				if( element.getAttribute( 'background' ) ){
					if( /\.png$/.test( element.getAttribute( 'background' ).toLowerCase() ) ) {
						element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + element.getAttribute( 'background' ) + "',sizingMethod='scale')";
						element.setAttribute( 'background', '' );
					}
				}
				
				else{
					if( element.style.backgroundImage ){
						if( /\.png$/.test( element.style.backgroundImage.replace( 'url(', '' ).replace( ')', '' ).toLowerCase() ) ) {
							element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + element.style.backgroundImage.replace( 'url(', '' ).replace( ')', '' ) + "',sizingMethod='scale')";
							element.style.backgroundImage = '';
							}
						}
					}
				}
			}
		}
	);
}