var ns = (navigator.appName=="Netscape" && parseInt(navigator.appVersion)>=4)?true:false
var ie = (navigator.appName=="Microsoft Internet Explorer" && parseInt(navigator.appVersion)>=4)?true:false
var ns6 = (document.getElementById&&!document.all)

var safari = new String(navigator.appVersion);
var expr=/safari/gi;
Saf = safari.search(expr);

var navigsaf = (Saf!=-1)?true:false;

function menu(idmenu){
	nomenu=getLayer(idmenu);
	nomenu.className = "done";
}

function firstmenu(idmenu){
	nomenu=getLayer(idmenu);
	nomenu.className = idmenu+"done";
}

function etire(){
	haut=getHeight();
	idcontent=getLayer('content')
	idfooter=getLayer('footer');
	
	if(haut>(idcontent.offsetHeight+idfooter.offsetHeight+20)){
		idcontent.style.height=idcontent.offsetHeight +(haut-(idcontent.offsetHeight+idfooter.offsetHeight+20))+"px";
	}
	
}

function getLayer(name) {
  if (ie)
    return eval('document.all.' + name);
	if (ns6)
		return document.getElementById(name);
  return null;
}

function getHeight(){
	if(ns6) haut=window.innerHeight;
	else if (ie  && navigator.appVersion.indexOf("Macintosh") != -1) haut =document.body.offsetHeight+5;
	else haut = document.documentElement.clientHeight;
	
	return haut;
}

/************ Portfolio **********************/

imgcurrent=1;

function showimg(noimg){
	lastlayer=getLayer('img' + imgcurrent);
	currentlayer=getLayer('img' + noimg);
	pic=getLayer('portfolioimg');
	
	lastlayer.className="vu";
	currentlayer.className="actif";
	
	pic.innerHTML="<img src='../img/portfolioimg/"+rep+"/Atomikwave_"+noimg+".jpg' alt='' border='0' />";
	etire();
	imgcurrent=noimg;
}

function next(){
	if(imgcurrent<nbimg){
		lastlayer=getLayer('img' + imgcurrent);
		currentlayer=getLayer('img' + (imgcurrent+1));
		pic=getLayer('portfolioimg');
		
		lastlayer.className="vu";
		currentlayer.className="actif";
		pic.innerHTML="<img src='../img/portfolioimg/"+rep+"/Atomikwave_"+(imgcurrent+1)+".jpg' alt='' border='0' />";
		etire();
		imgcurrent++;
	}
}

function previous(){
	if(imgcurrent>1){
		lastlayer=getLayer('img' + imgcurrent);
		currentlayer=getLayer('img' + (imgcurrent-1));
		pic=getLayer('portfolioimg');
		
		lastlayer.className="vu";
		currentlayer.className="actif";
		pic.innerHTML="<img src='../img/portfolioimg/"+rep+"/Atomikwave_"+(imgcurrent-1)+".jpg' alt='' border='0' />";
		etire();
		imgcurrent--;
	}
}