var NS4 = (document.layers) ? 1 : 0;
var IE4 = (document.all)&&navigator.userAgent.indexOf("Opera")==-1 ? 1 : 0;
var W3C = (document.getElementById) ? 1 : 0;

if (document.images) {

	var btn01a = new Image();
	btn01a.src = "images/btn01a.gif";
	var btn01b = new Image();
	btn01b.src = "images/btn01b.gif";
	var btn02a = new Image();
	btn02a.src = "images/btn02a.gif";
	var btn02b = new Image();
	btn02b.src = "images/btn02b.gif";
	var btn03a = new Image();
	btn03a.src = "images/btn03a.gif";
	var btn03b = new Image();
	btn03b.src = "images/btn03b.gif";
	var btn04a = new Image();
	btn04a.src = "images/btn04a.gif";
	var btn04b = new Image();
	btn04b.src = "images/btn04b.gif";
	var btn05a = new Image();
	btn05a.src = "images/btn05a.gif";
	var btn05b = new Image();
	btn05b.src = "images/btn05b.gif";
	var btn06a = new Image();
	btn06a.src = "images/btn06a.gif";
	var btn06b = new Image();
	btn06b.src = "images/btn06b.gif";
	var btn07a = new Image();
	btn07a.src = "images/btn07a.gif";
	var btn07b = new Image();
	btn07b.src = "images/btn07b.gif";
	var btn08a = new Image();
	btn08a.src = "images/btn08a.gif";
	var btn08b = new Image();
	btn08b.src = "images/btn08b.gif";
	var btn09a = new Image();
	btn09a.src = "images/btn09a.gif";
	var btn09b = new Image();
	btn09b.src = "images/btn09b.gif";
	var btn10a = new Image();
	btn10a.src = "images/btn10a.gif";
	var btn10b = new Image();
	btn10b.src = "images/btn10b.gif";
	var btn11a = new Image();
	btn11a.src = "images/btn11a.gif";
	var btn11b = new Image();
	btn11b.src = "images/btn11b.gif";
	var btn12a = new Image();
	btn12a.src = "images/btn12a.gif";
	var btn12b = new Image();
	btn12b.src = "images/btn12b.gif";
	var btn13a = new Image();
	btn13a.src = "images/btn13a.gif";
	var btn13b = new Image();
	btn13b.src = "images/btn13b.gif";
	var btn14a = new Image();
	btn14a.src = "images/btn14a.gif";
	var btn14b = new Image();
	btn14b.src = "images/btn14b.gif";
	var btn15a = new Image();
	btn15a.src = "images/btn15a.gif";
	var btn15b = new Image();
	btn15b.src = "images/btn15b.gif";
	var btn16a = new Image();
	btn16a.src = "images/btn16a.gif";
	var btn16b = new Image();
	btn16b.src = "images/btn16b.gif";
	var btn17a = new Image();
	btn17a.src = "images/btn17a.gif";
	var btn17b = new Image();
	btn17b.src = "images/btn17b.gif";
	var btn18a = new Image();
	btn18a.src = "images/btn18a.gif";
	var btn18b = new Image();
	btn18b.src = "images/btn18b.gif";
	
	var btnbacka = new Image();
	btnbacka.src = "images/btnbacka.gif";
	var btnbackb = new Image();
	btnbackb.src = "images/btnbackb.gif";
	
	var btnclosea = new Image();
	btnclosea.src = "images/btnclosea.gif";
	var btncloseb = new Image();
	btncloseb.src = "images/btncloseb.gif";
	
}

function toggleBtn(imgName, onOffState) {
	if (document.images) { 
		document.images[imgName].src = onOffState ? eval(imgName + "b.src") : eval(imgName + "a.src");
	}
}
 
function toggleLayer(layerID,onOff) {
	if (onOff=="1"){
		if (NS4) document.layers[''+layerID+''].visibility = "show"
		else if (IE4) document.all[''+layerID+''].style.visibility = "visible"
		else if (W3C) document.getElementById(''+layerID+'').style.visibility = "visible"				
	} else {
		if (NS4) document.layers[''+layerID+''].visibility = "hide"
		else if (IE4) document.all[''+layerID+''].style.visibility = "hidden"
		else if (W3C) document.getElementById(''+layerID+'').style.visibility = "hidden"				
	}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}


//////////////////////
// popups
//////////////////////

function contactForm() {
	var wTop = (screen.height - 400)/2;
	var wLeft = (screen.width - 700)/2;
	var wProps = "width=700,height=400,left="+wLeft+",top="+wTop+",toolbar=no,scrollbars=yes,resizable=no,menubar=no,status=no,directories=no,location=no";
	newWindow=window.open("contactform.php","contactWin",wProps);
	newWindow.focus();
}

function onlineReservations() {
	var wTop = (screen.height - 550)/2;
	var wLeft = (screen.width - 750)/2;
	var wProps = "width=900,height=550,left="+wLeft+",top="+wTop+",toolbar=no,scrollbars=yes,resizable=no,menubar=no,status=no,directories=no,location=no";
	newWindow=window.open("reserveform.php","reservationWin",wProps);
	newWindow.focus();
}

function openExtWindow(theUrl) {
	var wProps = "width=1024,height=800,toolbar=no,scrollbars=yes,resizable=yes,menubar=yes,status=yes,directories=yes,location=yes";
	newWindow=window.open(theUrl,"externalWin",wProps);
	newWindow.focus();
}

function closeWindow() {
	window.self.close();
}

//////////////////////
// dates
//////////////////////

function initDate() {

	var today = new Date();
	var currMonth = today.getMonth();
	var currDay = today.getDate();

	var theMonth = document.rForm.arrM.options.selectedIndex = currMonth;
	var theDay = document.rForm.arrD.options.selectedIndex = currDay;

	adjustDate(theMonth,theDay, 1);
}

function adjustDate(theMonth, theDay, initDate) {

	var value = 0;
	var today = new Date();
	var theYear = parseInt(today.getYear(),10);

	if (theMonth < today.getMonth()) {
		theYear = (parseInt(today.getYear(),10) + 1);
	}

	if (theYear < 100) {
		theYear = "19" + theYear;
	} else {
		if ((theYear - 100) < 10) {
			theYear = "0" + (theYear - 100);
		} else  {
			theYear = (theYear - 100) + "";
		}
		theYear = "20" + theYear
	}

	var numDays = getDaysInMonth(theMonth, theYear);

	if (initDate == 1)  {
		if (numDays - theDay == 0) { //last theDay of month
			document.rForm.arrM.options.selectedIndex = theMonth;
			document.rForm.arrD.options.selectedIndex = numDays - 1;
			document.rForm.depM.options.selectedIndex = document.rForm.depM.options.selectedIndex + 1;
			document.rForm.depD.options.selectedIndex =  0 - (numDays - theDay);
		} else if (numDays - theDay  < 0) { //wrong num of theDays in month
			document.rForm.arrM.options.selectedIndex = theMonth + 1;
			document.rForm.arrD.options.selectedIndex = 6 - (numDays - theDay);
			document.rForm.depM.options.selectedIndex = document.rForm.arrM.options.selectedIndex;
			document.rForm.depD.options.selectedIndex = 0 - (numDays - theDay);	
		} else { 
			document.rForm.arrM.options.selectedIndex = theMonth;
			document.rForm.arrD.options.selectedIndex = (theDay - 1) + 0
			document.rForm.depM.options.selectedIndex = document.rForm.arrM.options.selectedIndex;
			document.rForm.depD.options.selectedIndex = theDay;
		}
	} else {		
		if (theMonth == 1) {
			if (theDay.options.selectedIndex + 1 < numDays) {
				return 0;
			} else {
				theDay.options.selectedIndex = numDays - 1;
				if (numDays == 29) {
					return 99;
				} else {
					return 1;
				}
			}
		}
		if (theDay.options.selectedIndex + 1 < numDays) {
			value = 0;
		} else {
			if (theDay.options.selectedIndex + 1 > numDays) {
				theDay.options.selectedIndex--;
				value = 3;
			} else {
				value = 2;
			}
		}
		return value;
		}
}

function updateDate(inM, inD, outM, outD) {
	var res = adjustDate(inM.options.selectedIndex, inD, 0);
	if (res != 0 ) {
		outD.options.selectedIndex = 0;
		if (outM.options.selectedIndex == 11) {
			outM.options.selectedIndex = 0;
		} else {
			outM.options.selectedIndex = inM.options.selectedIndex + 1;
		}
	} else {
		outM.options.selectedIndex = inM.options.selectedIndex;
		outD.options.selectedIndex = inD.options.selectedIndex + 1;
	}
	return;
}

function getDaysInMonth(theMonth, theYear) {
	var maxDays = 31;
	if (theMonth == 1) {
		if (IsLeapYear(theYear)) { 
			maxDays = 29;
		} else {
			maxDays = 28;
		}
	}
	if (theMonth == 3 || theMonth == 5 || theMonth == 8 || theMonth == 10) {
		maxDays = 30;
	}
	return maxDays;
}

function IsLeapYear(theYear) {
	var leapYear = false;
	var year = parseInt(theYear, 10);
	if (year%4 == 0)  { 
		leapYear = true;
		if (year%100 == 0) {
			leapYear = false;
			if (year%400 == 0) {
				leapYear = true;
			}
		}
	}
	return leapYear;
}

//////////////////////
// check forms
//////////////////////

function checkForm(theForm, theList) {

	var myItems = theList.length;
	
	for (var i = 0; i < myItems; i++) {
	
		var myItem = theList[i];
		var myObject = eval("document." + theForm + "." + theList[i]);
		var myValue = myObject.value;
		
		if (myValue == "") {
			alert("Please fill out the required fields");
			return false;		
		} else {
			if (myItem == 'email' || 'username') {
				return (isEmailValid (myValue));
			}
		}

	}
	
return true;

}

function isEmailValid(theItem) {
	var mhkos = theItem.length;
	var papaki = theItem.indexOf("@");
	var teleia = theItem.lastIndexOf(".");

	if (mhkos>5 && papaki>0 && teleia>papaki+1 && teleia<mhkos-2) {
			return true
	} else {
		alert("Please supply your e-mail")
		return false
	}
}

//////////////////////
// mulitlingual
//////////////////////

function initLanguage(theTitle) {
	if (W3C) {
		document.getElementById('title').innerHTML = '';
		document.getElementById('title').innerHTML = 'theTitle';
	}
	else if (IE4) {
		document.all['title'].innerHTML = 'theTitle';
	}
	else if (NS4) {
		theLayer = document.layers['title'];
		text = '<h3 class="title">theTitle</h3>;';
		theLayer.document.open();
		theLayer.document.write(text);
		theLayer.document.close();
	}

}

//////////////////////
// flash
//////////////////////

function detectFlash()
{
	var UseFlash = 0;
	if (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"] ) {
		// Check for Flash version 5 or greater in Netscape
		var plugin = navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin;
		if (plugin && parseInt(plugin.description.substring(plugin.description.indexOf(".")-1))>=5)
			UseFlash = 1;
	} else if (navigator.appName && navigator.appName.indexOf("Microsoft") != -1 && 
		  navigator.userAgent.indexOf("Windows") != -1 && navigator.userAgent.indexOf("Windows 3.1") == -1) {
		// Assume any Windows IE except for Windows 3.1 supports the OBJECT tag
		UseFlash = 1;
	}
	return (UseFlash);
}

function setBookBanner(mediaName){
	var UseFlash = detectFlash();
	if ( UseFlash ) {
		// Use Flash player
		document.write('<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"');
		document.write(' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"');
		document.write(' ID=' + mediaName + ' WIDTH=110 HEIGHT=50>');
		document.write('<PARAM NAME=movie VALUE="' + mediaName + '.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF> ');
		document.write('<EMBED src="../flash/' + mediaName + '.swf" quality=high bgcolor=#FFFFFF ');
		document.write(' swLiveConnect=FALSE WIDTH=110 HEIGHT=50');
		document.write(' TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash">');
		document.write('</EMBED>');
		document.write('</OBJECT>');
	} else if (!(navigator.appName && navigator.appName.indexOf("Netscape")>=0 && navigator.appVersion.indexOf("2.")>=0)) {
		// Netscape 2 will display the IMG tag below so don't write an extra one
		document.write('<a href="reservations.html"><IMG SRC="../images/book_banner.gif" WIDTH=110 HEIGHT=50 BORDER=0></a>');
	}
}

function setBookBanner2(mediaName){
	var UseFlash = detectFlash();
	if ( UseFlash ) {
		// Use Flash player
		document.write('<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"');
		document.write(' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0"');
		document.write(' ID=' + mediaName + ' WIDTH=110 HEIGHT=50>');
		document.write('<PARAM NAME=movie VALUE="' + mediaName + '.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF> ');
		document.write('<EMBED src="../flash/' + mediaName + '.swf" quality=high bgcolor=#FFFFFF ');
		document.write(' swLiveConnect=FALSE WIDTH=110 HEIGHT=50');
		document.write(' TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash">');
		document.write('</EMBED>');
		document.write('</OBJECT>');
	} else if (!(navigator.appName && navigator.appName.indexOf("Netscape")>=0 && navigator.appVersion.indexOf("2.")>=0)) {
		// Netscape 2 will display the IMG tag below so don't write an extra one
		document.write('<a href=# onclick="onlineReservations()"><IMG SRC="../images/book_banner.gif" WIDTH=110 HEIGHT=50 BORDER=0></a>');
	}
}