var numVisible = '';

	function toOver(obj){
		if (obj.nodeName)
			obj.firstChild.style.color = '#d63131';
		else {
			var div = document.getElementById(obj);
			imgObj = (div.firstChild.nodeName.toLowerCase() == 'img') ? div.firstChild : div.firstChild.firstChild;
			if (numVisible != obj) imgObj.src =  changeSrc (imgObj.src, '-over.gif');	
		}
	
	}

	function toOut(obj){
		if (obj.nodeName)
			obj.firstChild.style.color = '#000000';
		else {
			var div = document.getElementById(obj);
			imgObj = (div.firstChild.nodeName.toLowerCase() == 'img') ? div.firstChild : div.firstChild.firstChild
			if (numVisible != obj) imgObj.src =  changeSrc (imgObj.src, '-out.gif');		
		}
	}
	
	function show(obj){
		var div = document.getElementById(obj);
		if (div.lastChild.nodeName.toLowerCase() == 'div')
			div.lastChild.style.display = (div.lastChild.style.display.toLowerCase() == 'block') ? 'none' : 'block';
		if ((numVisible =='') || (div.lastChild.nodeName.toLowerCase() != 'div')){
			numVisible = obj;
			imgObj = (div.firstChild.nodeName.toLowerCase() == 'img') ? div.firstChild : div.firstChild.firstChild
			imgObj.src =  changeSrc (imgObj.src, '-over.gif');	
		}
	}
	
	function changeSrc(nom, ext) {
		var newNom = '';
		var tmp = new String(nom).split('-');
		for (var i=0; i < tmp.length - 1; i++) 
			newNom += ((newNom =='') ? '' : '-') + tmp[i];
		return (newNom + ext);
	}