/****************************************/
/*                                      */
/*              Bistech Plc             */
/*               SlideShow              */
/*                                      */
/*       http://www.bistech.co.uk       */
/*	                                   */
/*    Copyright (C) Bistech Plc 2006    */
/*        software@bistech.co.uk        */
/*                                      */
/****************************************/

// Define Initial Configuration
var Delay				= 10000;	// Delay between stories in miliseconds (1000ms = 1 second)
var crossFadeDuration	= 3;		// Duration of the fade between images in seconds

// Define Images
var Images = new Array();
	Images[0] = getDBPath() +  "/casestudy_splash_wallace.jpg?OpenImageResource";
	Images[1] = getDBPath() +  "/casestudy_splash_perrys.jpg?OpenImageResource";
	Images[2] = getDBPath() +  "/casestudy_splash_harvest.jpg?OpenImageResource";
	
var Details = new Array();
	Details[0] = "<a href='" + getDBPath() +  "/casestudies_wallace?OpenPage'>Click here</a> to find out why Bistech's new call centre system is worth \u00A31 million in turnover to travel agents Wallace Arnold Worldchoice.";
	Details[1] = "<a href='" + getDBPath() +  "/casestudies_perrys?OpenPage'>Click here</a> to find out how Bistech helped Perrys Motor Sales increase the reliability of their multi-site network.";
	Details[2] = "<a href='" + getDBPath() +  "/casestudies_harvest?OpenPage'>Click here</a> to find out how Bistech helped Harvest Housing achieve their award winning corporate vision.";
	
var TagLines = new Array();
	TagLines[0] = "Looking for a call centre solution to improve customer service?";
	TagLines[1] = "Looking for a better network service at lower cost?";
	TagLines[2] = "Looking for more value from your IT budget?";
	TagLines[3] = "Looking for a better return on your investment in communications technology?";
	
var CallNows = new Array();
	CallNows[0] = "Call now for more information:";
	CallNows[1] = "Call now to arrange a no-obligation communications audit and review:";
	CallNows[2] = "Call now to arrange a no-obligation strategic review:";
	CallNows[3] = "Call now for an in-depth communications review.";

var CurStory			= Math.round(Math.random()*(Images.length-1));	// Picks a random story to start with. Do not edit
var PrevStory 			= CurStory;								// Calculated value. Do not edit
var CurTagLine			= Math.round(Math.random()*(TagLines.length-1));	// Picks a random tag line to start with. Do not edit
var PrevTagLine		= CurTagLine;								// Calculated value. Do not edit
var CurCallNow			= Math.round(Math.random()*(CallNows.length-1));	// Picks a random call now message to start with. Do not edit
var PrevCallNow		= CurCallNow;								// Calculated value. Do not edit

// Preload the images
function LoadImages() {
	if (document.images) {
		img1 = new Image();
		img2 = new Image();
		img3 = new Image();
		img4 = new Image();
		img1.src = Images[0];
		img2.src = Images[1];
		img3.src = Images[2];
		img4.src = Images[3];
	}
}

function CaseStudies() {
	LoadImages();
	document.getElementById('CSTagLine').innerHTML = TagLines[CurTagLine];
	document.getElementById('CSCallNow').innerHTML = CallNows[CurCallNow];
	document.getElementById('CSDetails').innerHTML = Details[CurStory];
	document.getElementById('CSImage').src = Images[CurStory];
	
	setTimeout('ChangeCaseStudy()',Delay);
}

function ChangeCaseStudy() {
	StoryRandomiser();
	TagLineRandomiser();
	CallNowRandomiser();
	
	if (document.all) {
		document.getElementById('CSImage').style.filter="blendTrans(duration=crossFadeDuration)";
		document.getElementById('CSImage').filters.blendTrans.Apply();
		document.getElementById('CSImage').src.onLoad = document.getElementById('CSImage').filters.blendTrans.Play();
	}
	
	document.getElementById('CSTagLine').innerHTML = TagLines[CurTagLine];
	document.getElementById('CSCallNow').innerHTML = CallNows[CurCallNow];
	document.getElementById('CSDetails').innerHTML = Details[CurStory];
	document.getElementById('CSImage').src = Images[CurStory];

	PrevStory = CurStory;
	setTimeout('ChangeCaseStudy()',Delay);
}

function StoryRandomiser() {
	CurStory = Math.round(Math.random()*(Images.length-1));
	if (CurStory == PrevStory) CurStory = CurStory + 1;
	if (CurStory>Images.length-1) CurStory = 0;
	
	PrevStory = CurStory;
}

function TagLineRandomiser() {
	CurTagLine = Math.round(Math.random()*(TagLines.length-1));
	if (CurTagLine == PrevTagLine) CurTagLine = CurTagLine + 1;
	if (CurTagLine>TagLines.length-1) CurTagLine = 0;
	
	PrevTagLine = CurTagLine;
}

function CallNowRandomiser() {
	CurCallNow = Math.round(Math.random()*(CallNows.length-1));
	if (CurCallNow == PrevCallNow) CurCallNow = CurCallNow + 1;
	if (CurCallNow>CallNows.length-1) CurCallNow= 0;
	
	PrevCallNow = CurCallNow;
}