// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 7000;

// Duration of crossfade (seconds)
var crossFadeDuration = 10;

//var relpath = document.images.imgHeaderSlideShow.src
//relpath = relpath.substring(0, relpath.lastIndexOf("/"))

// Specify the image files
var Pic = new Array();
// to add more images, just continue
// the pattern, adding to the array below
//Pic[0] = 'images_new/header/header_text_1Y.gif'
//Pic[1] = 'images_new/header/header_text_1B.gif'
//Pic[2] = 'images_new/header/header_text_2B.gif'
//Pic[3] = 'images_new/header/header_text_2Y.gif'
//Pic[4] = 'images_new/header/header_text_3Y.gif'	
//Pic[5] = 'images_new/header/header_text_3B.gif'				
//Pic[3] = '4.jpg'							//add image here
//Pic[4] = '5.jpg'							//add image here
var init = false;
var transitioning = false;
var h = 50;
var top= 25;
var t;
var j = 0;

var p = 0;

//var p = Pic.length;
//var preLoad = new Array();
//for (i = 0; i < p; i++) {
//	preLoad[i] = new Image();
//	preLoad[i].src = Pic[i];
//}

function initImagePaths(){

	var relpath = document.images.imgHeaderSlideShow.src
	relpath = relpath.substring(0, relpath.lastIndexOf("/"))

	// to add more images, just continue
	// the pattern, adding to the array below

	Pic [0] = new Image();
	Pic [1] = new Image();
	Pic [2] = new Image();
	Pic [3] = new Image();
	Pic [4] = new Image();
	Pic [5] = new Image();

	Pic [0].src = relpath + '/header_text_1Y.gif'
	Pic [1].src = relpath + '/header_text_1B.gif'
	Pic [2].src = relpath + '/header_text_2B.gif'
	Pic [3].src = relpath + '/header_text_2Y.gif'
	Pic [4].src = relpath + '/header_text_3Y.gif'	
	Pic [5].src = relpath + '/header_text_3B.gif'				
	//Pic[3] = '4.jpg'							//add image here
	//Pic[4] = '5.jpg'							//add image here
	
	p = Pic.length; 
}

function runSlideShow() {

	if(init == false){
		initImagePaths();
		init = true;
	}
	
	if (document.all) {
		document.images.imgHeaderSlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
		document.images.imgHeaderSlideShow.filters.blendTrans.Apply();
	}
	
	document.images.imgHeaderSlideShow.src = Pic[j].src;
	
	if (document.all) {
		document.images.imgHeaderSlideShow.filters.blendTrans.Play();
	}
	j = j + 1;
	if (j > (p - 1)) j = 0;
	t = setTimeout('runSlideShow()', slideShowSpeed);
}

/*function runSlideShow() {
	transitioning = true;
	
	h=50;
	top=25;

	FadeToBig();

	h=125;
	top=0;
	FadeToSmall();
	
	if (transitioning ){
		WaitTillTransitionComplete();
	}
	else{
		//restart
		runSlideShow();	
	}
		
	setTimeout('runSlideShow()', slideShowSpeed);
	
}*/

function FadeToBig(){
	document.getElementById("divHeaderSlideShow").style.top = top;
	document.getElementById("divHeaderSlideShow").style.height = h;
	document.images.imgHeaderSlideShow.height = h;
	
	top = top-1;
	h = h+2;

	if ((h < 125)&&(top > 0)) {
		setTimeout('FadeToBig()', 150);
	}
	else{
		//TransitionImage();
		h=125;
		top=0;
	}
}

function TransitionImage(){
	if (document.all) {
		document.images.imgHeaderSlideShow.style.filter="blendTrans(duration=crossFadeDuration)";
		document.images.imgHeaderSlideShow.filters.blendTrans.Apply();
	}
	
	document.images.imgHeaderSlideShow.src = preLoad[j].src;
	
	if (document.all) {
		document.images.imgHeaderSlideShow.filters.blendTrans.Play();
	}
	
	//Setup next image
	j = j + 1;
	if (j > (p - 1)) j = 0;
	
	//t = setTimeout('TransitionImage()', 250);

}


function FadeToSmall(){
			
	document.getElementById("divHeaderSlideShow").style.top = top;
	document.getElementById("divHeaderSlideShow").style.height = h;
	document.images.imgHeaderSlideShow.height = h;
	
	top = top+1;
	h = h-2;
	
	
	if ((h > 50)&&(top <25)) {
		setTimeout('FadeToSmall()', 150);
	}
	else{
		transitioning = false;
		h=50;
		top=25;

	}
}

function WaitTillTransitionComplete(){
	if (transitioning){
		setTimeout('CheckIfTransitioning()', 1000);
	}
	else{
	//restart
		runSlideShow();
	}
}

function CheckIfTransitioning(){
	WaitTillTransitionComplete();
}