function populate()
{	optionTest = true;
	if (!optionTest) return;
	var box = $('comment');
	var number = box.selectedIndex;
    var list = store[number];
	var box2 = $('precisez');
	box2.options.length = 0;
	for(i=0;i<list.length;i+=2)
	{
		box2.options[i/2] = new Option(list[i],list[i+1]);
	 }
	 if(visible[number]=='Vrai')
	 {
	 	$('precisez').style.visibility = "visible";
	 }
	 else
	 {
	 	$('precisez').style.visibility = "hidden";
	 }
}