// JavaScript Document
// Portions of Script Source: CodeLifter.com
// Copyright 2003
// Do not remove this notice.


PositionX = 100;
PositionY = 100;

// Set these value approximately 20 pixels greater than the
// size of the largest image to be used (needed for Netscape)

defaultWidth  = 600;
defaultHeight = 600;

// Set autoclose true to have the window close automatically
// Set autoclose false to allow multiple popup windows

var AutoClose = true;

// Do not edit below this line...
// ================================
if (parseInt(navigator.appVersion.charAt(0))>=4){
	var isNN=(navigator.appName=="Netscape")?1:0;
	var isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;
}
var optNN='scrollbars=no,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY;
var optIE='scrollbars=no,width=150,height=100,left='+PositionX+',top='+PositionY;

function PopupPic(imageURL,imageTitle){
	if (isNN){
		imgWin=window.open('about:blank','',optNN);
	}
	if (isIE){
		imgWin=window.open('about:blank','',optIE);
	}
	with (imgWin.document){
		writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');
		writeln('<sc'+'ript>');
		writeln('var isNN,isIE;');
		writeln('if (parseInt(navigator.appVersion.charAt(0))>=4){');
		writeln('isNN=(navigator.appName=="Netscape")?1:0;');
		writeln('isIE=(navigator.appName.indexOf("Microsoft")!=-1)?1:0;}');
		writeln('function reSizeToImage(){');
		writeln('if (isIE){');
		writeln('window.resizeTo(300,300);');
		writeln('width=300-(document.body.clientWidth-document.images[0].width);');
		writeln('height=300-(document.body.clientHeight-document.images[0].height);');
		writeln('window.resizeTo(width,height);}');
		writeln('if (isNN){');       
		writeln('window.innerWidth=document.images["George"].width;');
		writeln('window.innerHeight=document.images["George"].height;}}');
		writeln('function doTitle(){document.title="'+imageTitle+'";}');
		writeln('</sc'+'ript>');
		if (!AutoClose) 
			writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()">')
		else 
			writeln('</head><body bgcolor=000000 scroll="no" onload="reSizeToImage();doTitle();self.focus()" onblur="self.close()">');
		writeln('<img name="George" src="'+imageURL+'" style="display:block"></body></html>');
		close();		
	}
}

function setImageInfo(info) {
	var par = document.getElementById("PictureInfo");
	par.innerHTML = info;
}

var timerId = 0;
var dir = 0;
var current = 0;
var dest = 0;
var speed = 0;
var objectId;


function setImage(imageFile) {
	var par = document.getElementById("Picture");
	clearTimeout(timerId);
	changeOpac(0, "Picture");
	par.src = imageFile;
//	changeOpac(0, "Picture");
	opacity("Picture", 0, 100, 100);
}

function opacity(id, opacStart, opacEnd, millisec) {
	speed = Math.round(millisec / 100);
    if(opacStart > opacEnd) {
		dir = -5;
    } else if(opacStart < opacEnd) {
		dir = 5;
	} else return;
	current = opacStart;
	objectId = id;
	changeOpac(current, id);
	timerId = setTimeout("nextStep()", speed);
}

function nextStep() {
	current = current + dir;
	changeOpac(current, objectId);
	if(current != dest) {
		timerId = setTimeout("nextStep()", speed);
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 
