// BROWSER CHECK
function Browser() {
	var b=navigator.appName;
	if (b=="Netscape") this.b="ns";
	else if ((b=="Opera") || (navigator.userAgent.indexOf("Opera")>0)) this.b = "opera";
	else if (b=="Microsoft Internet Explorer") this.b="ie";
	this.version=navigator.appVersion;
	this.v=parseInt(this.version);
	this.ns=(this.b=="ns" && this.v>=4);
	this.ns4=(this.b=="ns" && this.v==4);
	//this.ns6=(this.b=="ns" && this.v==5);
	this.ie=(this.b=="ie" && this.v>=4);
	this.ie4=(this.version.indexOf('MSIE 4')>0);
	this.ie5=(this.version.indexOf('MSIE 5')>0);
	this.ie55=(this.version.indexOf('MSIE 5.5')>0);
	this.ie6up = ((navigator.appVersion.indexOf("MSIE 6")!=-1)||(navigator.appVersion.indexOf("MSIE 7")!=-1));
	this.opera=(this.b=="opera");
	var ua=navigator.userAgent.toLowerCase();
	this.mac = (ua.indexOf("mac")!=-1);
}
var is = new Browser();

// ---------------------------------------------------------------------------------------

// PRELOAD IMAGES

Image1= new Image(85,20)
Image1.src = "images/nav_gallery_over.gif"
Image2= new Image(85,18)
Image2.src = "images/nav_the_artist_over.gif"
Image3= new Image(85,28)
Image3.src = "images/nav_collections_over.gif"
Image4= new Image(85,18)
Image4.src = "images/nav_teaching_over.gif"
Image5= new Image(85,21)
Image5.src = "images/nav_how_to_buy_over.gif"
Image6= new Image(300,30)
Image6.src = "images/keith_wilson_over.gif"
Image7= new Image(18,12)
Image7.src = "images/outer_mail_over.gif"
Image8= new Image(48,12)
Image8.src = "images/outer_scenic_over.gif"
Image9= new Image(132,12)
Image9.src = "images/purchase_print_over.gif"

// ---------------------------------------------------------------------------------------

// IMAGE ROLLOVER

var the_imageoff = new Image();
var the_imageon = new Image();

function img_navact(imgName){ 

if (document.images){ 
the_imageoff[imgName] = new Image();
the_imageon[imgName] = new Image();
the_imageoff[imgName].src = "images/" + imgName + ".gif"
the_imageon[imgName].src = "images/" + imgName + "_over.gif";

document.images[imgName].src = the_imageon[imgName].src;
}
}

function img_navinact(imgName){ 

if (document.images){ 
the_imageoff[imgName] = new Image();
the_imageon[imgName] = new Image();
the_imageoff[imgName].src = "images/" + imgName + ".gif"
the_imageon[imgName].src = "images/" + imgName + "_over.gif";

document.images[imgName].src = the_imageoff[imgName].src;
}
}

// ---------------------------------------------------------------------------------------

// IMAGE FADER
// Fade effect only in IE; degrades gracefully

var slideShowSpeed = 5000
var crossFadeDuration = 15
var Pic = new Array()


Pic[0] = 'images/p_after_dinner.gif'
Pic[1] = 'images/p_lucca.gif'
Pic[2] = 'images/p_gardenhouse.gif'
Pic[3] = 'images/p_peters.gif'
Pic[4] = 'images/p_villa.gif'
Pic[5] = 'images/p_milano.gif'
Pic[6] = 'images/p_inter.gif'
Pic[7] = 'images/p_gate.gif'
Pic[8] = 'images/p_dragonwell.gif'

var t
var j = 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 runSlideShow(){
   if (document.all){
      document.images.SlideShow.style.filter="blendTrans(duration=2)"
      document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)"
      document.images.SlideShow.filters.blendTrans.Apply()      
   }
   document.images.SlideShow.src = preLoad[j].src
   if (document.all){
      document.images.SlideShow.filters.blendTrans.Play()
   }
   j = j + 1
   if (j > (p-1)) j=0
   t = setTimeout('runSlideShow()', slideShowSpeed)
}

// ---------------------------------------------------------------------------------------

// POP-UP WINDOWS
function LaunchJoin() { window.open('join.html', 'NewWindow1', 'top=200,left=200,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=200,height=100'); }

// ---------------------------------------------------------------------------------------