function changeGrande(img,imgG) {
	document.getElementById('imgG').src = img;
	document.getElementById('lienG').href = imgG;
}

function afficheLigne(id){	
	var sms = getElementsByClassName('ligneCachee','tr');
	for(var i=0; i<sms.length; i++){
		sms[i].style.display = "none";
	}
	var ligne = document.getElementById(id);
	if(navigator.appName=='Microsoft Internet Explorer')
		ligne.style.display = 'inline'; 
	else 
		ligne.style.display = 'table-row';
}

function afficheDiv(){	
	var div = document.getElementById('infosTech');
	if(div.style.display == "block") div.style.display = "none"; else div.style.display = "block";
}