function switchLang(lang)
{
	location.href = (lang == 'en') ? window.location.href.replace("_f.", "_e."): window.location.href.replace("_e.", "_f.");
	return false;
}

// rollOvers pour les images
// Application : class="roll"
window.addEvent('domready', function() {
	//preload images
	var aPreLoad = new Array();
	var aPreLoadi = 0;
	
	//do rollover
	$$('img.roll').each(function(el){
		//let's preload
		aPreLoad[aPreLoadi] = new Image();
		aPreLoad[aPreLoadi].src = el.src.replace('_off.', '_on.');
		aPreLoadi++;
	
		el.addEvent('mouseover',function(){
			this.setAttribute('src',this.src.replace('_off.', '_on.'));
		});
	
		el.addEvent('mouseout',function(){
			this.setAttribute('src',this.src.replace('_on.','_off.'));
		});
	});
	
});