function oggle(divName) {

		var zeDisplay = $(divName).getStyle("display");
	
		if(zeDisplay=='none') {
			$(divName).setStyles({'display':'block'});
		} else {
			$(divName).setStyles({'display':'none'});
		}
	}


	var tablogin = new Array;

	tablogin['idPresse'] = 'Identifiant';
	tablogin['passePresse'] = 'Mot de passe';

	tablogin['idProd'] = 'Identifiant';
	tablogin['passeProd'] = 'Mot de passe';

	function check_log(divName) {

		valeur = $(divName).value;

		if(valeur=='') {
			$(divName).value = tablogin[divName];
		}
	}


	function makeScrollbar(content,scrollbar,handle,horizontal,ignoreMouse){
		var scroll_infos = content.getScrollSize();
		var infos = content.getSize();
		var toStep = (scroll_infos.y - infos.y);

		var slider = new Slider(scrollbar, handle, {	
			range: [0, toStep],
			snap: false,
			offset: 0,
			wheel: true,
			steps: toStep,
			mode: 'vertical',
			onChange: function(step){
				// Scrolls the content element in x or y direction.
				var x = (horizontal?step:0);
				var y = (horizontal?0:step);

				content.scrollTo(x,y);
			}
		}).set(0);
		if( !(ignoreMouse) ){
			// Scroll the content element when the mousewheel is used within the 
			// content or the scrollbar element.
			$$(content, scrollbar).addEvent('mousewheel', function(e){	
				e = new Event(e).stop();
				var step = slider.step - e.wheel * 30;	
				slider.set(step);					
			});
		}
		// Stops the handle dragging process when the mouse leaves the document body.
		$(document.body).addEvent('mouseleave',function(){slider.drag.stop()});
	}


	document.addEvent('domready', function(){
		if( $('newsTxt')) {				
		makeScrollbar( $('newsTxt'), $('scrollbar'), $('handle') );
		}
	});