var isSelected = new Array(150)
function highLight(objId) {
	//alert(objId)
	if (isSelected[objId] != true) {
	 	document.getElementById(objId).className = "pictoHighLight";
	}
}
function lowLight(objId) {
	if (isSelected[objId] != true) {
	 	document.getElementById(objId).className = "pictoLowLight";
	}
}
function selectSG(modele, objId) {
	//alert (modele);
	// raz
	for (i=0; i<3; i++) {
		element = modele+i;
		if ((isSelected[element] == true)) {isSelected[element] = false; lowLight(element); document.getElementById('txt' + element).className = "txtLowLight";}
	}	
	// selection
	highLight(objId);
	isSelected[objId]=true;
	// display
	document.getElementById(modele).src = 'extensions/imgs/' + modele + '/' + objId +'.jpg'
	document.getElementById('txt'+objId).className = "txtHighLight";
}