function montre(id)
{
	if (document.getElementById)
	{
		document.getElementById(id).style.display="block";
	}
	else if (document.all)
	{
		document.all[id].style.display="block";
	}
	else if (document.layers)
	{
		document.layers[id].display="block";
	}
}

function cache(id)
{
	if (document.getElementById)
	{
		document.getElementById(id).style.display="none";
	}
	else if (document.all)
	{
		document.all[id].style.display="none";
	}
	else if (document.layers)
	{
		document.layers[id].display="none";
	}
}

function verifChamps(num,id)
{
	var etoile=document.getElementById(id);
	if(num.value=='')
	{	
		etoile.className="ChampsON";
	}
	else
	{
		etoile.className="ChampsOFF";
	}
}

function validationChamps(champs1,champs2,champs3)
{
	var bool=true;
	if(champs1.value=='')
	{
		verifChamps(champs1,'nom');
		bool=false;
	}
	if(champs2.value=='')
	{
		verifChamps(champs2,'prenom');
		bool=false;
	}
	if(champs3.value=='')
	{
		verifChamps(champs3,'courriel');
		bool=false;
	}
	else
	{
		var bool2=valideEmail(champs3);
		if(bool2==false && bool==true)
		{bool=false;}
	}
	return bool;
}

function valideEmail(champsEmail)
{
	var bool=false;
	var adresse=champsEmail.value;

	var place = adresse.indexOf("@");

	var point = adresse.lastIndexOf(".");
	
	if ((adresse.length >2)&&(place>-1)&&(point > place))
	{
		bool=true;
	}

	if(bool==false)
	{
		var courrielInvalide=document.getElementById("courrielValide");
		courrielInvalide.className="ChampsON";
	}
	return bool;
}
		
function validate(arrayChamps,arrayBalise)
{				   
	var x;
	var boolean=true;			  
	for(x in arrayChamps)
	{					
		var balise=document.getElementById(arrayBalise[x]);
		if(arrayChamps[x].value=='')
		{									   
		balise.className="ChampsON";
		boolean=false;
		}
		else
		{
			balise.className="ChampsOFF";
		}
	}
			  
	if(boolean==false){document.getElementById('avertissement').className="ChampsON";}
	return boolean;
}