/* DREAMWEAVER ROLL OVER */

<!--
function MM_preloadImages() { //v3.0
  var d=document;
  //var MM_preloadImages[] = new Array;
  if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
	
	
	for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


//-->

/* Browser Detect - Looking for IE 5.5 or 6 */

/* Code provided by Peter-Paul Koch @ http://www.quirksmode.org */
/* Page reference: http://www.quirksmode.org/js/detect.html */

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function replacePNG() {
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version < "7") {
		document.images.homeLeft.src = document.images.homeLeft.src +'.gif?';
		document.images.homeRight.src = document.images.homeRight.src +'.gif?';
	}
	else {
		document.images.homeLeft.src = document.images.homeLeft.src +'.png?';
		document.images.homeRight.src = document.images.homeRight.src +'.png?';					
	}
}

/* ••••••••••••••••••• Random Image ••••••••••••••••••••••• */
/* Javascript by Chris Barrett @ outcrop.com */

pic_width=806; /*change to match the height of all your images */
pic_height=207; /* change to match the width of all your images */
img_num=7; /* The number of images to load */
img_holder = "header" /* the id of the image holder */



/* define image Array to hold images*/
var images= new Array(img_num)
for(i=0; i<img_num;i++){
images[i]= new Image(pic_width,pic_height);
}

/* Define image path and descriptions */
if (document.images){ 
images[0].src="/i/header-sub-01.jpg"; 
images[1].src="/i/header-sub-02.jpg";
images[2].src="/i/header-sub-03.jpg";
images[3].src="/i/header-sub-04.jpg";
images[4].src="/i/header-sub-05.jpg";
images[5].src="/i/header-sub-06.jpg";
images[6].src="/i/header-sub-07.jpg";

}

/* Create array of image paths and descriptions */
var pics= new Array(img_num)

for(i=0; i<img_num;i++){
pics[i]=images[i].src 
}

// 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 */
var choose_one= get_random(img_num); 
choose_one--;

function get_ImageHome(){
if (document.images){
document.getElementById(img_holder).innerHTML = "<img src='"+pics[choose_one]+"' width='"+pic_width+"' height='"+pic_height+"' alt='Nunavut Parks'>";
}
}