var errfound_search_form = false;
function stripSpaces(item) {
    while (item.substring(0,1) == ' ') item = item.substring(1);
    while (item.substring(item.length-1,item.length) == ' ') item = item.substring(0,item.length-1);
	return item;
}
function error_search_form(elem, text) 
{
	if (errfound_search_form) return;
	window.alert(text);
	elem.select();
	elem.focus();
	errfound_search_form = true;
}
function Validate_Tools() 
{
	errfound_search_form = false;
	if (stripSpaces(document.search_form.criteria.value).length < 3)
		error_search_form(document.search_form.criteria, "Vous avez oublié de saisir le mot-clef recherché ou celui-ci est trop court (3 caractères minimum).");
	if (!errfound_search_form) document.search_form.submit();
	else return false;
}
function rollIn(imgName) 
{
   if (document.images && (flag == true)) 
		document[imgName].src = eval(imgName + "_on.src");
}
function rollOut(imgName) 
{
   if (document.images)
		document[imgName].src = eval(imgName + "_off.src");
}