/* divers sripts pour affichage */
var dom = (document.getElementById)? true:false;
var ns4 = (document.layers)? true:false;
var ie4 = (document.all)? true:false;
var dd_mode='';
function onoffdisplay(calque, valimage){
	
	if (ie4) {
		if (document.all[calque].style.display=='block') {
			document.all[calque].style.display='none';
			document.images[valimage].src='/images/plus.gif';
		}
		else {
			document.all[calque].style.display='block';
			document.images[valimage].src='/images/minus.gif';
		}
	}else	if (dom) {
		if (document.getElementById(calque).style.display=='block') {
			document.getElementById(calque).style.display='none';
			document.images[valimage].src ='/images/plus.gif';
		}
		else {
			document.getElementById(calque).style.display='block';
			document.images[valimage].src ='/images/minus.gif';
		}
	}else	if (ns4) {
		if (document.layers[calque].visibility=='show') {
			document.layers[calque].visibility='hide';
			document.images[valimage].src ='/images/plus.gif';
		}
		else {
			document.layers[calque].visibility='show';
			document.images[valimage].src ='/images/minus.gif';
		}
	}
}


function onoffmenudisplay(calque){
	
	if (ie4) {
		if (document.all[calque].style.display=='block') {
			document.all[calque].style.display='none';
		}
		else {
			document.all[calque].style.display='block';
		}
	}else	if (dom) {
		if (document.getElementById(calque).style.display=='block') {
			document.getElementById(calque).style.display='none';
		}
		else {
			document.getElementById(calque).style.display='block';
		}
	}else	if (ns4) {
		if (document.layers[calque].visibility=='show') {
			document.layers[calque].visibility='hide';
		}
		else {
			document.layers[calque].visibility='show';
		}
	}
}

function change_image(valimage, url_image){
	//document.images[valimage].src='/images/plus.gif';
	document.images[valimage].src=url_image;
}

function activation_onglet(onglet_on, onglet_off) {
	if (ie4) {
		document.all[onglet_on].style.display='block';
		document.all[onglet_off].style.display='none';
	}else	if (dom) {
		
		document.getElementById(onglet_on).style.display='block';
		document.getElementById(onglet_off).style.display='none';
		
	}else	if (ns4) {
	
		document.layers[onglet_on].visibility='show';
		document.layers[onglet_off].visibility='hide';
		
	}
	
}