function $(ID){
	if(document.getElementById){
		return document.getElementById(ID);
	}else if(document.all){
    return document.all[ID];
	}
}
function RO (oid, s) {
	if (oid != btn_active) {
		var o, t, cn, ext, f;
		o = $(oid);
		cn = o.childNodes;
		t = cn[0].src;
		ext = t.substring(t.length -4, t.length);
		if (s==1) {
			t = t.substring(0, t.length -4);
			f = t + "-on" + ext;
		} else {
			t = t.substring(0, t.length -7);
			f = t + ext;
		}
			cn[0].src = f;
	}
}
function set_background (DFBG) {
	if (DFBG) {
		var i = "gesdom-marguerite.jpg";
	} else {
		var t = btn_active;
		var i = (t.substring(4, t.length)) + ".jpg";
	}
	document.writeln("\n<style type=\"text/css\">\n");
	document.writeln("#lctable {background:#FFFFFF url('res/pics/bg_" + i + "') top left no-repeat;}\n");
	document.writeln("</style>\n");
}
function set_active_menu () {
	var o, t, cn, ext, f;
	o = $(btn_active);
	if ($(btn_active)) {
		cn = o.childNodes;
		t = cn[0].src;
		if (t.substring(t.length -11, t.length) != '-active.jpg') {
			ext = t.substring(t.length -4, t.length);
			t = t.substring(0, t.length -4);
			f = t + "-active" + ext;
			cn[0].src = f;
		}
	}
}
function preloadPics () {
  var d=document;if(d.images){if(!d.MMp)d.MMp=new Array();
  var i,j=d.MMp.length,a=preloadPics.arguments;for(i=0;i<a.length;i++)
  if(a[i].indexOf("#")!=0){d.MMp[j]=new Image;d.MMp[j++].src='pics/'+a[i];}}
}
function chFrm (n) {
	var d = Array('coordonnees','company','material','message','validation');
	for (var i=1; i < 4; i++) document.getElementById(d[i]).style.display = 'none';
	if (n==1) var s = Array(0,3,4);
	if (n==2) var s = Array(0,3,4);
	if (n==3) var s = Array(0,1,2,3,4);
	if (n==4) var s = Array(0,3,4);
	for (var i=0; i < s.length; i++) {
		document.getElementById(d[(s[i])]).style.display = 'block';
		document.getElementById('nb_' + d[(s[i])]).innerHTML = (2 + i);
	}
}