// JavaScript Document for SEPRO
// Author : Dimbi
// Neov S.A.
// Juin 2005

// OS detection
var detect = navigator.userAgent.toLowerCase();
var OS,userbrowser,navversion,total,thestring;

if (checkIt('konqueror'))
{
	userbrowser = "Konqueror";
	OS = "Linux";
}
else if (checkIt('msie')) userbrowser = "Internet Explorer"
else if (!checkIt('compatible'))
{
	userbrowser = "Netscape Navigator"
	navversion = detect.charAt(8);
}
else userbrowser = "An unknown browser";

if (!navversion) navversion = detect.charAt(place + thestring.length);

if (!OS)
{
	if (checkIt('linux')) OS = "Linux";
	else if (checkIt('x11')) OS = "Unix";
	else if (checkIt('mac') && (checkIt('os x') || checkIt('osx'))) OS = "MacOSX"
	else if (checkIt('mac')) OS = "Mac"
	else if (checkIt('win')) OS = "Windows"
	else OS = "an unknown operating system";
}

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}
// end os detection

// Browser check

function Browser(){
	b=navigator.appName;
	if(b=="Netscape"){
		this.b="ns"; 
	}else{
		if(b=="Microsoft Internet Explorer"){
			this.b="ie";
		}else{
			this.b=b;
		}
	}
	this.version=navigator.appVersion;
	this.v=parseInt(this.version);
	this.ns=(this.b=="ns"&&this.v>=4);
	this.ie=(this.b=="ie"&&this.v>=4);
	this.dom=((document.createRange&&(document.createRange().createContextualFragment))?true:false);
}

est=new Browser();

function getExplorerVersion() {
	var ieVers = parseFloat(navigator.appVersion);
	if( navigator.appName != 'Microsoft Internet Explorer' ) return ieVers;
	var tempVers = navigator.appVersion;
	var i = tempVers.indexOf( 'MSIE ' );
	if( i >= 0 ) {
		tempVers = tempVers.substring( i+5 );
		ieVers = parseFloat( tempVers ); 
	}
	return ieVers;
}

// end Check browser

// images functions
//var imgPath = "images/";
var imgPath = "";
// images preloading
var listImg = new Array()

function preloadImg (list) {
	for(i in list) {
		listImg[i] = new Image();
		listImg[i].src = list[i];
	}
}

//image swapping
var lastImgInfo = new Array ('','');
var lastImgClickInfo = new Array ('','');

function swapImg(imgName, imgSwap) {
	var imgSource = document.images[imgName].src; 
	document.images[imgName].src = imgPath + imgSwap;
	lastImgInfo[0] = imgName;
	lastImgInfo[1] = imgSource;
}

function restoreImg() {
	if (lastImgClickInfo [0] != lastImgInfo [0])
		document.images[lastImgInfo [0]].src = lastImgInfo [1];
}

function activateImg(imgName, imgSource) {
	if (lastImgClickInfo [0] != '') {
		document.images[lastImgClickInfo [0]].src = imgPath + lastImgClickInfo [1];
		window.status = lastImgClickInfo [0] + ' = ' + lastImgClickInfo [1];  
	}	
	lastImgClickInfo [0] = imgName;
	lastImgClickInfo [1] = imgSource;
}