// JavaScript Document

var headerImage_num=9; /* The number of images to load */
var headerImage = "header"; /* the id of the image holder */
/* define image Array to hold images*/
var headerImage_width=768; /*change to match the height of all your images */
var headerImage_height=285; /* change to match the width of all your images */


var headerImageArray= new Array(headerImage_num)
for(i=0; i<headerImage_num;i++){
	headerImageArray[i]= new Image(headerImage_width,headerImage_height);
}

/* Define image path and descriptions */
	
	headerImageArray[0].src="/img/header/header.jpg";	
	headerImageArray[1].src="/img/header/header3.jpg";
	headerImageArray[2].src="/img/header/header6.jpg";
	headerImageArray[3].src="/img/header/header8.jpg";
	headerImageArray[4].src="/img/header/header9.jpg";
	headerImageArray[5].src="/img/header/zheader.jpg";
	headerImageArray[6].src="/img/header/zheader3.jpg";
	headerImageArray[7].src="/img/header/zheader6.jpg";
	headerImageArray[8].src="/img/header/zheader9.jpg";


/* Create array of image paths and descriptions */
var headerImage_path= new Array(headerImage_num)

for(var i=0; i<headerImage_num;i++){
	headerImage_path[i]=headerImageArray[i].src	
}


var headerImageURLs= new Array(headerImage_num)
	headerImageURLs[0]="http://www.nunavuteda.com";	
	headerImageURLs[1]="http://www.nunavuteda.com";
	headerImageURLs[2]="http://www.nunavuteda.com";
	headerImageURLs[3]="http://www.nunavuteda.com";
	headerImageURLs[4]="http://www.nunavuteda.com";
	headerImageURLs[5]="http://www.nunavuteda.com";
	headerImageURLs[6]="http://www.nunavuteda.com";
	headerImageURLs[7]="http://www.nunavuteda.com";
	headerImageURLs[8]="http://www.nunavuteda.com";


// Generate random number based on time and date
function get_random(maxNum){
	if (Math.random && Math.round){
		var ranNum= Math.round(Math.random()*(maxNum-1));
		ranNum+=1;
		return ranNum;
	}
	else{
		today= new Date();
		hours= today.getHours();
		mins= today.getMinutes();
		secn= today.getSeconds();
		if (hours==19)
			hours=18;
		var ranNum= (((hours+1)*(mins+1)*secn)%maxNum)+1;
		return ranNum;
	}
}

/*get a random number */


function get_Image(){
	if(document.getElementById(headerImage)){
	var headerImage_random = get_random(headerImage_num); 
	headerImage_random--;
	
		document.getElementById(headerImage).style.backgroundImage = "url("+headerImage_path[headerImage_random]+")";
		
	}
	
}