function toggle(to_hide,pict,body,hidden,showed,title_hidden,title_showed)
{
	if (!title_hidden || title_hidden=="undefined" || title_hidden.length==0){
		title_hidden="Cliquez ici pour afficher la colonne";
	}
	if (!title_showed || title_showed=="undefined" || title_showed.length==0){
		title_showed="Cliquez ici pour masquer la colonne";
	}
	if (document.getElementById(to_hide).style.display==''){
		document.getElementById(to_hide).style.display='none';
		document.getElementById(pict).src=hidden;
		document.getElementById(pict).title=title_hidden;
		if (document.getElementById(to_hide).width){
			document.getElementById(body).width=document.getElementById(body).width+document.getElementById(to_hide).width;
		}	
	}

	else{
		document.getElementById(to_hide).style.display='';
		document.getElementById(pict).src=showed;
		if (document.getElementById(to_hide).width){
			document.getElementById(body).width=document.getElementById(body).width-document.getElementById(to_hide).width;
		}
		document.getElementById(pict).title=title_showed;
	}
	return true;
}
function init_hide(){
	var prefix='submenu_';
	var i=1;
	var element;
	while (element=document.getElementById(prefix+i)){
		element.style.display='none';
		i++;
	}
}
window.onload=init_hide