// JavaScript Document
	var vaWindow = null; 
	function openVA() {		
				
		//optional arguments
		var parameters = (arguments[0]) ? arguments[0] : {};		
		
		//Parameter Defaults (the url, height, and width need to be specified)	
		//url
		//specified the default base url of the Virtual Assistant (without any get parameters attached). 
		if (! parameters.url) parameters.url = "http://askiva.proseries.intuit.com/"; 		
		//height
		//specifies the default height of the Virtual Assistant. Typically 480
		if (! parameters.height) parameters.height = "550";
		//width
		//specifies the default width of the Virtual Assistant. Typically 270 or 540
		if (! parameters.width) parameters.width = "760";				
					
		//name
		//specifies the name of popup window. Typically 'va'.  Used to access the window via javascript
		if (! parameters.name) parameters.name = "va";					
		//center
		//set this true if you'd like the window centered by default	
		if (! parameters.center) parameters.center = false; 
			
		//if neither top or left was specified and center is set to true, calculate location based on screen size
		if ((! parameters.top) && (! parameters.left) && (screen.availWidth) && (parameters.center)){
			
			parameters.top = (screen.availHeight-parameters.height-80) / 2;
			parameters.left = (screen.availWidth-parameters.width-20) / 2;
		
		} else {
		
			//top
			//distance in pixels of the popup window from the top of the screen
			if (! parameters.top) parameters.top = "10";
			//left
			//distance in pixels of the popup window from the left of the screen
			if (! parameters.left) parameters.left = "10";		
		}	
	
		//check resolution, and reset location if necessary
		if (screen.availWidth) {			
			if ((parameters.width > screen.availWidth) || (parameters.height > screen.availHeight)){
				alert("You may have trouble using this Virtual Assistant with your current screen resolution.  Increase your resolution for better usability.");
				parameters.top = 0;
				parameters.left = 0;
			}
		}		
				
		//entry
		//Used to submit an initial question to be asked when the Virtual Assistant is first started.
		//ie: Can I protect my ncd?
		if (! parameters.entry) parameters.entry = ""; 		
		//startContext
		//Indicates which set of Context-driven FAQs should be displayed when the Virtual Assistant is first started.
		//ie: FAQ.Home Insurance
		if (! parameters.startContext) parameters.startContext = ""; 	
		//siteContext
		//Used in multi-site implementations to indicate from which site the user has come.
		//Can be used in single-site installations to indicate from which area of the web site the user has come. Enables reporting by web site area.		
		if (! parameters.siteContext) parameters.siteContext = ""; 
		//noFree
		//Used to suppress display of free text entry box in the Virtual Assistant window when calling from (for example) help buttons on forms. 
		//Allows the user to navigate existing FAQs but not to ask free-text questions/engage in smalltalk.
		//Any non-null value indicates that the free text entry box should be suppressed (this feature is not available by default)	
		if (! parameters.noFree) parameters.noFree = ""; 

		//uid	
		//Required unique identifier
		parameters.uid = new Date().getTime() + Math.floor(Math.random()*100);  

		var openParameters = 'resizable=no, toolbar=no, location=no, status=no, scrollbars=0, menubar=no, titlebar=no, width=' + parameters.width + ',height=' + parameters.height + ', top=' + parameters.top + ', left=' + parameters.left;
		
		var getParameters = "";
		
		getParameters += "uid=" + parameters.uid;
		
		if (parameters.entry.length > 0) getParameters += "&entry=" + encodeURIComponent(parameters.entry);
		if (parameters.startContext.length > 0) getParameters += "&startcontext=" + encodeURIComponent(parameters.startContext);
		if (parameters.siteContext.length > 0) getParameters += "&sitecontext=" + encodeURIComponent(parameters.siteContext);
		if (parameters.noFree.length > 0) getParameters += "&nofree=" + encodeURIComponent(parameters.noFree);
		
		var fullUrl = parameters.url + "?" + getParameters;
				
		var windowExists = false;
		
		try{
			if(vaWindow && vaWindow.open && !vaWindow.closed)	windowExists = true;
  		} catch(err) {
			try{
				vaWindow.close();
  			} catch(subErr) {}	
  		}		
				
		if(windowExists){//if popup window already exists, update location and focus
			
			var windowLocation = vaWindow.location.href;
			var setLocation = fullUrl;
			
			//update location if parameters have updated
			if (windowLocation.lastIndexOf('/') !== -1)	
				windowLocation = windowLocation.substr(windowLocation.lastIndexOf('/') + 1, windowLocation.length - windowLocation.lastIndexOf('/') - 1);
			windowLocation = windowLocation.replace(/uid=[^\&]*/, "");
			
			if (setLocation.lastIndexOf('/') !== -1)	
				setLocation = setLocation.substr(setLocation.lastIndexOf('/') + 1, setLocation.length - setLocation.lastIndexOf('/') - 1);
			setLocation = setLocation.replace(/uid=[^\&]*/, "");									
				
			if (windowLocation != setLocation)	vaWindow.location.href = fullUrl;
			vaWindow.focus();
			
		} else {//create the VA pop-up
		

		
		
			vaWindow = window.open(fullUrl, parameters.name, openParameters);
		}
		
		return false;

	}//end openVA