function apparaitre(obj,nb,pre,der){
	var id = obj.id;
	for(var i = pre; i <= der; i++){
		if(i!=nb){
			document.getElementById('picto'+i).style.opacity="0.2";
			document.getElementById('picto'+i).style.filter='alpha\(opacity=20\)'; 
		}
	}
}
function retour(obj,pre,der){
	var id = obj.id;
	for(var i = pre; i <= der; i++){
		document.getElementById('picto'+i).style.opacity="1";
		document.getElementById('picto'+i).style.filter='alpha\(opacity=100\)';
	}
}

function apparaitreL(obj)
{	
	
	var id = obj.id;
	
	if(id!='logo1')
	{
		document.getElementById('logo1').style.opacity="0.2";
		document.getElementById('logo1').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo2')
	{
		document.getElementById('logo2').style.opacity="0.2";
		document.getElementById('logo2').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo3')
	{
		document.getElementById('logo3').style.opacity="0.2";
		document.getElementById('logo3').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo4')
	{
		document.getElementById('logo4').style.opacity="0.2";
		document.getElementById('logo4').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo5')
	{
		document.getElementById('logo5').style.opacity="0.2";
		document.getElementById('logo5').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo6')
	{
		document.getElementById('logo6').style.opacity="0.2";
		document.getElementById('logo6').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo7')
	{
		document.getElementById('logo7').style.opacity="0.2";
		document.getElementById('logo7').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo8')
	{
		document.getElementById('logo8').style.opacity="0.2";
		document.getElementById('logo8').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo9')
	{
		document.getElementById('logo9').style.opacity="0.2";
		document.getElementById('logo9').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo10')
	{
		document.getElementById('logo10').style.opacity="0.2";
		document.getElementById('logo10').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo11')
	{
		document.getElementById('logo11').style.opacity="0.2";
		document.getElementById('logo11').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo12')
	{
		document.getElementById('logo12').style.opacity="0.2";
		document.getElementById('logo12').style.filter='alpha\(opacity=20\)'; 
	}
	
	if(id!='logo15')
	{
		document.getElementById('logo15').style.opacity="0.2";
		document.getElementById('logo15').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo16')
	{
		document.getElementById('logo16').style.opacity="0.2";
		document.getElementById('logo16').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo17')
	{
		document.getElementById('logo17').style.opacity="0.2";
		document.getElementById('logo17').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo18')
	{
		document.getElementById('logo18').style.opacity="0.2";
		document.getElementById('logo18').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo19')
	{
		document.getElementById('logo19').style.opacity="0.2";
		document.getElementById('logo19').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo20')
	{
		document.getElementById('logo20').style.opacity="0.2";
		document.getElementById('logo20').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo21')
	{
		document.getElementById('logo21').style.opacity="0.2";
		document.getElementById('logo21').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo22')
	{
		document.getElementById('logo22').style.opacity="0.2";
		document.getElementById('logo22').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo23')
	{
		document.getElementById('logo23').style.opacity="0.2";
		document.getElementById('logo23').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo24')
	{
		document.getElementById('logo24').style.opacity="0.2";
		document.getElementById('logo24').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo25')
	{
		document.getElementById('logo25').style.opacity="0.2";
		document.getElementById('logo25').style.filter='alpha\(opacity=20\)'; 
	}

}
function retourL(obj){
	var id = obj.id;
	
		document.getElementById('logo1').style.opacity="1";
		document.getElementById('logo1').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo2').style.opacity="1";
		document.getElementById('logo2').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo3').style.opacity="1";
		document.getElementById('logo3').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo4').style.opacity="1";
		document.getElementById('logo4').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo5').style.opacity="1";
		document.getElementById('logo5').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo6').style.opacity="1";
		document.getElementById('logo6').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo7').style.opacity="1";
		document.getElementById('logo7').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo8').style.opacity="1";
		document.getElementById('logo8').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo9').style.opacity="1";
		document.getElementById('logo9').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo10').style.opacity="1";
		document.getElementById('logo10').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo11').style.opacity="1";
		document.getElementById('logo11').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo12').style.opacity="1";
		document.getElementById('logo12').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo15').style.opacity="1";
		document.getElementById('logo15').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo16').style.opacity="1";
		document.getElementById('logo16').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo17').style.opacity="1";
		document.getElementById('logo17').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo18').style.opacity="1";
		document.getElementById('logo18').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo19').style.opacity="1";
		document.getElementById('logo19').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo20').style.opacity="1";
		document.getElementById('logo20').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo21').style.opacity="1";
		document.getElementById('logo21').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo22').style.opacity="1";
		document.getElementById('logo22').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo23').style.opacity="1";
		document.getElementById('logo23').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo24').style.opacity="1";
		document.getElementById('logo24').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('logo25').style.opacity="1";
		document.getElementById('logo25').style.filter='alpha\(opacity=100\)';
		
}


function apparaitreL2(obj){
	var id = obj.id;
	
	if(id!='logo13')
	{
		document.getElementById('logo13').style.opacity="0.2";
		document.getElementById('logo13').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='logo14')
	{
		document.getElementById('logo14').style.opacity="0.2";
		document.getElementById('logo14').style.filter='alpha\(opacity=20\)'; 
	}
}
function retourL2(obj){
	var id = obj.id;
	
		document.getElementById('logo13').style.opacity="1";
		document.getElementById('logo13').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('logo14').style.opacity="1";
		document.getElementById('logo14').style.filter='alpha\(opacity=100\)'; 
}

function apparaitreR(obj){
	var id = obj.id;
	
	if(id!='recette1')
	{
		document.getElementById('recette1').style.opacity="0.2";
		document.getElementById('recette1').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='recette2')
	{
		document.getElementById('recette2').style.opacity="0.2";
		document.getElementById('recette2').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='recette3')
	{
		document.getElementById('recette3').style.opacity="0.2";
		document.getElementById('recette3').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='recette4')
	{
		document.getElementById('recette4').style.opacity="0.2";
		document.getElementById('recette4').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='recette5')
	{
		document.getElementById('recette5').style.opacity="0.2";
		document.getElementById('recette5').style.filter='alpha\(opacity=20\)'; 
	}
	if(id!='recette6')
	{
		document.getElementById('recette6').style.opacity="0.2";
		document.getElementById('recette6').style.filter='alpha\(opacity=20\)'; 
	}
}

function retourR(obj){
	var id = obj.id;
	
		document.getElementById('recette1').style.opacity="1";
		document.getElementById('recette1').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('recette2').style.opacity="1";
		document.getElementById('recette2').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('recette3').style.opacity="1";
		document.getElementById('recette3').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('recette4').style.opacity="1";
		document.getElementById('recette4').style.filter='alpha\(opacity=100\)'; 
		
		document.getElementById('recette5').style.opacity="1";
		document.getElementById('recette5').style.filter='alpha\(opacity=100\)'; 

		document.getElementById('recette6').style.opacity="1";
		document.getElementById('recette6').style.filter='alpha\(opacity=100\)'; 
}