// launcher.js

var siteWindow;
var installFlashWindow;

// opens a window and returns the window
function popUp(url,name, options, newwin) {
	// alert ( url +' '+ name +' '+ options);
	if ((newwin == null) || (newwin.closed == true)) {
		newwin = window.open(url,name, options);
	}
	// alert (newwin);
	newwin.focus();
	return newwin;
}

function launchTourMap (flashver) {
	// set url and window name
	var url;
	if (flashver=="install") {
		url = "/portfolio/map/installflash.asp";
	} else {
		url = "/portfolio/map/launch.asp";
	}
	var winName = "tourmap";
	// set dimensions
	var width = 790;
	var height = 450;
	// set screen positon
	var screenXW = (screen.availWidth - width) / 2;
	var screenYW = (screen.availHeight - height) /2;
	if (screenYW < 0) {
		screenYW = 0;
	}

	var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;		// true if we're on ie
	var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows

	// create options string for pop
	var options = "width="+width+",height="+height+",left=" + screenXW + ",top=" + screenYW + ",toolbar=no,menubar=no,status=yes,location=no,scrollbars=no,resizable=no,screenX=" + screenXW + ",screenY=" + screenYW;

	siteWindow = popUp (url, winName, options, siteWindow);
}

function launchTourMapSetup (querystring) {
	// set url and window name
	var url = "/portfolio/map/launchsetup.asp?"+querystring;
	var winName = "tourmapsetup";
	// set dimensions
	var width = 570;
	var height = 450;
	// set screen positon
	var screenXW = (screen.availWidth - width) / 2;
	var screenYW = (screen.availHeight - height) /2;
	if (screenYW < 0) {
		screenYW = 0;
	}

	var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;		// true if we're on ie
	var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows

	// create options string for pop
	var options = "width="+width+",height="+height+",left=" + screenXW + ",top=" + screenYW + ",toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,screenX=" + screenXW + ",screenY=" + screenYW;

	siteWindow = popUp (url, winName, options, siteWindow);
}

function launchInstallFlash () {
	// set url and window name
	var url = "/portfolio/map/installFlash.asp";
	var winName = "installFlash";
	// set dimensions
	var width = 700;
	var height = 450;
	// set screen positon
	var screenXW = (screen.availWidth - width) / 2;
	var screenYW = (screen.availHeight - height) /2;
	if (screenYW < 0) {
		screenYW = 0;
	}

	// create options string for pop
	var options = "width="+width+",height="+height+",left=" + screenXW + ",top=" + screenYW + ",toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,screenX=" + screenXW + ",screenY=" + screenYW;
	installFlashWindow = popUp (url, winName, options, installFlashWindow);
}

// we know what version of javascript we're dealing with now
// so it's time to start the real script


// #############################################
// these are the user defined globals
// modify the following variables to customize the inspection behaviour

var requiredVersion = 5;			// version the user needs to view site (max is 5, min is 2)
var useRedirect = false; 			// "true" loads new flash or non-flash page into browser
									// "false" embeds movie or alternate html code into current page

// set next three vars if useRedirect is true...
var flashPage = ""		// the location of the flash movie page
var noFlashPage = ""	// send user here if they don't have the plugin or we can't detect it
var upgradePage = ""	// send user here if we detect an old plugin
var IEMacPage = "";		// for Mac IE 4.x users
// #############################################



// *************
// everything below this point is internal until after the body tag
// do not modify! 
// *************

// system globals
var flash2Installed = false;		// boolean. true if flash 2 is installed
var flash3Installed = false;		// boolean. true if flash 3 is installed
var flash4Installed = false;		// boolean. true if flash 4 is installed
var flash5Installed = false;		// boolean. true if flash 5 is installed
var flash6Installed = false;		// boolean. true if flash 6 is installed
var maxVersion = 6;					// highest version we can actually detect
var actualVersion = 0;				// version the user really has
var hasRightVersion = false;		// boolean. true if it's safe to embed the flash movie in the page

// write vbscript detection if we're not on mac.

var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;		// true if we're on ie
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false; // true if we're on windows

if(isIE && isWin){ // don't write vbscript tags on anything but ie win
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
	document.write('flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
	document.write('flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
	document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');	
	document.write('</SCR' + 'IPT\> \n'); // break up end tag so it doesn't end our script
}

// next comes the standard javascript detection that uses the navigator.plugins array
// we pack the detector into a function so it loads before we run it

function detectFlash(){	

	if (navigator.plugins){								// does navigator.plugins exist?
		if (navigator.plugins["Shockwave Flash 2.0"] 	// yes>> then is Flash 2 
		|| navigator.plugins["Shockwave Flash"]){		// or flash 3+ installed?

			// set convenient references to flash 2 and the plugin description
			var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;
			// a flash plugin-description looks like this: Shockwave Flash 4.0 r5
			// so we can get the major version by grabbing the character before the period
			// note that we don't bother with minor version detection. do that in your movie with $version
			var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));

			// we know the version, now set appropriate version flags
			flash2Installed = flashVersion == 2;		
			flash3Installed = flashVersion == 3;
			flash4Installed = flashVersion == 4;
			flash5Installed = flashVersion == 5;
			flash6Installed = flashVersion == 6;
		}
	}
	
	// loop through all versions we're checking, and set actualVersion to highest detected version
	for (var i = 2; i <= maxVersion; i++) {	
		if (eval("flash" + i + "Installed") == true) actualVersion = i;
	}
	// if we're on webtv, the version supported is 2 (pre-summer2000, or 3, post-summer2000)
	// note that we don't bother sniffing varieties of webtv. you could if you were sadistic...
	if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 2;	
	
	// uncomment next line to display flash version during testing
	// alert("version detected: " + actualVersion);

	// we're finished getting the version. time to take the appropriate action

	if (actualVersion >= requiredVersion) { 		// user has a new enough version
		hasRightVersion = true;						// flag: it's okay to write out the object/embed tags later	
	}
}


detectFlash();	// call our detector now that it's safely loaded.	

function openTourMap(){
	if (hasRightVersion) {
		launchTourMap();
	} else {
		launchTourMap("install");
	}
}

function openTourMapSetup(querystring){
	if (hasRightVersion) {
		launchTourMapSetup(querystring);
	}
}

function clearOpener(){
	//target to be passed in as a string or an object.
	if(siteWindow != null && !siteWindow.closed)	{		
		siteWindow.openerClosed = true; 
	}
}