// create image info array
var imgInfo = new Array();

// create Main group
imgInfo[0] = new Array();

// load Main group
imgInfo[0][0] = new Array();
imgInfo[0][0][0] = new Image();
imgInfo[0][0][0].src = pathRoot + 'images/headerPic_main1.jpg';
imgInfo[0][0][1] = pathRoot + "images/headerPic_main1.jpg";

imgInfo[0][1] = new Array();
imgInfo[0][1][0] = new Image();
imgInfo[0][1][0].src = pathRoot + 'images/headerPic_main2.jpg';
imgInfo[0][1][1] = pathRoot + "images/headerPic_main2.jpg";

imgInfo[0][2] = new Array();
imgInfo[0][2][0] = new Image();
imgInfo[0][2][0].src = pathRoot + 'images/headerPic_main3.jpg';
imgInfo[0][2][1] = pathRoot + "images/headerPic_main3.jpg";

imgInfo[0][3] = new Array();
imgInfo[0][3][0] = new Image();
imgInfo[0][3][0].src = pathRoot + 'images/headerPic_main4.jpg';
imgInfo[0][3][1] = pathRoot + "images/headerPic_main4.jpg";

imgInfo[0][4] = new Array();
imgInfo[0][4][0] = new Image();
imgInfo[0][4][0].src = pathRoot + 'images/headerPic_main5.jpg';
imgInfo[0][4][1] = pathRoot + "images/headerPic_main5.jpg";

imgInfo[0][5] = new Array();
imgInfo[0][5][0] = new Image();
imgInfo[0][5][0].src = pathRoot + 'images/headerPic_main6.jpg';
imgInfo[0][5][1] = pathRoot + "images/headerPic_main6.jpg";

imgInfo[0][6] = new Array();
imgInfo[0][6][0] = new Image();
imgInfo[0][6][0].src = pathRoot + 'images/headerPic_main7.jpg';
imgInfo[0][6][1] = pathRoot + "images/headerPic_main7.jpg";

imgInfo[0][7] = new Array();
imgInfo[0][7][0] = new Image();
imgInfo[0][7][0].src = pathRoot + 'images/headerPic_bt1.jpg';
imgInfo[0][7][1] = pathRoot + "images/headerPic_bt1.jpg";

imgInfo[0][8] = new Array();
imgInfo[0][8][0] = new Image();
imgInfo[0][8][0].src = pathRoot + 'images/headerPic_bt2.jpg';
imgInfo[0][8][1] = pathRoot + "images/headerPic_bt2.jpg";

imgInfo[0][9] = new Array();
imgInfo[0][9][0] = new Image();
imgInfo[0][9][0].src = pathRoot + 'images/headerPic_bt3.jpg';
imgInfo[0][9][1] = pathRoot + "images/headerPic_bt3.jpg";

imgInfo[0][10] = new Array();
imgInfo[0][10][0] = new Image();
imgInfo[0][10][0].src = pathRoot + 'images/headerPic_recWeek1.jpg';
imgInfo[0][10][1] = pathRoot + "images/headerPic_recWeek1.jpg";

imgInfo[0][11] = new Array();
imgInfo[0][11][0] = new Image();
imgInfo[0][11][0].src = pathRoot + 'images/headerPic_recWeek2.jpg';
imgInfo[0][11][1] = pathRoot + "images/headerPic_recWeek2.jpg";

imgInfo[0][12] = new Array();
imgInfo[0][12][0] = new Image();
imgInfo[0][12][0].src = pathRoot + 'images/headerPic_recWeek3.jpg';
imgInfo[0][12][1] = pathRoot + "images/headerPic_recWeek3.jpg";

imgInfo[0][13] = new Array();
imgInfo[0][13][0] = new Image();
imgInfo[0][13][0].src = pathRoot + 'images/headerPic_recWeek4.jpg';
imgInfo[0][13][1] = pathRoot + "images/headerPic_recWeek4.jpg";

// create Breakthrough group
imgInfo[1] = new Array();

// load Breakthrough group
imgInfo[1][0] = new Array();
imgInfo[1][0][0] = new Image();
imgInfo[1][0][0].src = pathRoot + 'images/headerPic_bt1.jpg';
imgInfo[1][0][1] = pathRoot + "images/headerPic_bt1.jpg";

imgInfo[1][1] = new Array();
imgInfo[1][1][0] = new Image();
imgInfo[1][1][0].src = pathRoot + 'images/headerPic_bt2.jpg';
imgInfo[1][1][1] = pathRoot + "images/headerPic_bt2.jpg";

imgInfo[1][2] = new Array();
imgInfo[1][2][0] = new Image();
imgInfo[1][2][0].src = pathRoot + 'images/headerPic_bt3.jpg';
imgInfo[1][2][1] = pathRoot + "images/headerPic_bt3.jpg";

// create RecWeek group
imgInfo[2] = new Array();

// load RecWeek group
imgInfo[2][0] = new Array();
imgInfo[2][0][0] = new Image();
imgInfo[2][0][0].src = pathRoot + 'images/headerPic_recWeek1.jpg';
imgInfo[2][0][1] = pathRoot + "images/headerPic_recWeek1.jpg";

imgInfo[2][1] = new Array();
imgInfo[2][1][0] = new Image();
imgInfo[2][1][0].src = pathRoot + 'images/headerPic_recWeek2.jpg';
imgInfo[2][1][1] = pathRoot + "images/headerPic_recWeek2.jpg";

imgInfo[2][2] = new Array();
imgInfo[2][2][0] = new Image();
imgInfo[2][2][0].src = pathRoot + 'images/headerPic_recWeek3.jpg';
imgInfo[2][2][1] = pathRoot + "images/headerPic_recWeek3.jpg";

imgInfo[2][3] = new Array();
imgInfo[2][3][0] = new Image();
imgInfo[2][3][0].src = pathRoot + 'images/headerPic_recWeek4.jpg';
imgInfo[2][3][1] = pathRoot + "images/headerPic_recWeek4.jpg";


// set the slideshow variables
var slideShowSpeed = 5000; // Set slideShow Speed in milliseconds
var crossFadeDuration = 2; // Duration of crossfade in seconds

// Declare looping vars
var t;
var j = 0;
var p = imgInfo[picGroup].length;

function runSlideShow(){
	// get the header div
	var headerDiv = document.getElementById("header");

	// set a blending transition (for IE)
	if (document.all){
		headerDiv.style.filter="blendTrans(duration="+crossFadeDuration+")";
		headerDiv.filters.blendTrans.Apply();
	}

	// switch the image and set its properties
	headerDiv.style.backgroundImage="url("+imgInfo[picGroup][j][1]+")";
	
	// apply the blending transition
	if (document.all){
		headerDiv.filters.blendTrans.Play()
	}
	
	// increment the counter
	j = j + 1;
	
	// if counter is beyond the end of the array, return to beginning
	if (j > p-1) j=0;
	
	// set this function to execute again in defined # of milliseconds
	t = setTimeout('runSlideShow()', slideShowSpeed);
}