function sf(champ) {
	document.getElementById(champ).focus();
}

function cache_div(nom_div) {
	document.getElementById(nom_div).style.display="none";
}

function montre_div(nom_div) {
	document.getElementById(nom_div).style.display="block";
}

function changetext(whichcontent,wichdiv) {
	document.getElementById(wichdiv).value = whichcontent;
}