var lastDiv="";
var lastDivId="";
var currentDiv="";

function ouvrefermeDiv(id, nom){
	currentDiv=id;
	quelDiv=document.getElementById('faq'+id).style;

	if (lastDiv==quelDiv) {

			if (lastDiv.display=='block') {
					lastDiv.display='none';
					document.images['bt'+id].src="images/"+nom+"-over.gif";
			}
	}

	if (lastDiv!=quelDiv){

		if (quelDiv.display=='none') {

			if (lastDivId!="") {
					document.images['bt'+lastDivId].src="images/"+lastDivImg+".gif";
			}

			lastDiv.display='none';
			quelDiv.display='block';
			document.images['bt'+id].src="images/"+nom+"-on.gif";
		}else{
			quelDiv.display='none';
			document.images['bt'+id].src="images/"+nom+"-over.gif";
		}
	}

		if (lastDiv!=quelDiv) {
				lastDiv=quelDiv;
				lastDivId=id;
				lastDivImg=nom;
		}else{
			lastDiv="";
			lastDivId="";
			lastDivImg="";
			currentDiv="";
		}
}

function checkifActive(id, nom, img) {
	if (id != currentDiv)
	{
		document.images[nom].src = "images/" + img;
	}
}

var myimages=new Array()
function preloadimages() {
	
	for (i=0;i<preloadimages.arguments.length;i++){
		myimages[i]=new Image()
		myimages[i].src=preloadimages.arguments[i]
	}
}
function preloadCompany() {
	preloadimages("images/bt-innovation-over.gif","images/bt-innovation-on.gif","images/bt-product-over.gif","images/bt-product-on.gif","images/bt-quality-service-over.gif","images/bt-quality-service-on.gif","images/bt-install-service-over.gif","images/bt-install-service-on.gif");
}

function preloadCompany_fr() {
	preloadimages("images/bt-innovation_fr-over.gif","images/bt-innovation_fr-on.gif","images/bt-product_fr-over.gif","images/bt-product_fr-on.gif","images/bt-quality-service_fr-over.gif","images/bt-quality-service_fr-on.gif","images/bt-install-service_fr-over.gif","images/bt-install-service_fr-on.gif");
}


function preloadCatalogue() {
	preloadimages("images/bt-stadium-speed-over.gif","images/bt-stadium-speed-on.gif","images/bt-theatres-concert-over.gif","images/bt-theatres-concert-on.gif","images/bt-schools-uni-over.gif","images/bt-schools-uni-on.gif","images/bt-placesofworship-over.gif","images/bt-placesofworship-on.gif");
}

function preloadCatalogueFR() {
	preloadimages("images/bt-stadium-speed_fr-over.gif","images/bt-stadium-speed_fr-on.gif","images/bt-theatres-concert_fr-over.gif","images/bt-theatres-concert_fr-on.gif","images/bt-schools-uni_fr-over.gif","images/bt-schools-uni_fr-on.gif","images/bt-placesofworship_fr-over.gif","images/bt-placesofworship_fr-on.gif");
}