function setActiveStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}

function menuon(num)
{
	if (document.getElementById('selectlang') != null)
	{document.getElementById('selectlang').style.visibility = 'hidden';	}

	if (num == 2) {document.getElementById('PROD').style.visibility = 'visible';}
	if (num == 3) {document.getElementById('RECE').style.visibility = 'visible';}
	if (num == 1) {document.getElementById('ENTR').style.visibility = 'visible';}
	if (num == 4) {document.getElementById('FAQ').style.visibility = 'visible';}
}

function menuoff(num)
{
	
	if (document.getElementById('selectlang') != null)
	{ document.getElementById('selectlang').style.visibility = 'visible';}
	
	if (num == 2) {document.getElementById('PROD').style.visibility = 'hidden';}
	if (num == 3) {document.getElementById('RECE').style.visibility = 'hidden';}
	if (num == 1) {document.getElementById('ENTR').style.visibility = 'hidden';}
	if (num == 4) {document.getElementById('FAQ').style.visibility = 'hidden';}

	if (num == 99)
	{
		document.getElementById('PROD').style.visibility = 'hidden';
		document.getElementById('RECE').style.visibility = 'hidden';
		document.getElementById('ENTR').style.visibility = 'hidden';
		document.getElementById('FAQ').style.visibility = 'hidden';
	}

}


//langChange

function langChange(idLang, sec)
{
	if (idLang == 1) {document.location.href = '/uk/'+sec;}
	if (idLang == 4) {document.location.href = '/ar/'+sec;}
	if (idLang == 2) {document.location.href = '/nl/'+sec;}
	if (idLang == 3) {document.location.href = '/pt/'+sec;}
}


// Texte + et -
if (idcss == null) {var idcss =1;}

function cssplus(idcss)
{
	idcss++;
	if (idcss < 0) {idcss = 0;}
	if (idcss > 3) {idcss = 3;}
	setActiveStyleSheet('css'+idcss);
}

function cssmoins(idcss)
{
	idcss--;
	if (idcss < 0) {idcss = 0;}
	if (idcss > 3) {idcss = 3;}
	setActiveStyleSheet('css'+idcss);
}