function newImage(arg) 
{
	if (document.images) 
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() 
{
	if (document.images && (preloadFlag == true)) 
	{
		for (var i=0; i<changeImages.arguments.length; i+=2)
		{
			document[changeImages.arguments[i]].src = "Data/images/"+changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;

function preloadImages() 
{
	if (document.images) 
	{
		Concept_over = newImage("Data/images/Concept_over.gif");
		Programme_over = newImage("Data/images/Programme_over.gif");
		Menu_over = newImage("Data/images/Menu_over.gif");
		Exposants_over = newImage("Data/images/Exposants_over.gif");
		Associations_over = newImage("Data/images/Associations_over.gif");
		Don_over = newImage("Data/images/Don_over.gif");
		Partenaires_over = newImage("Data/images/Partenaires_over.gif");
		Edition_2003_over = newImage("Data/images/Edition_2003_over.gif");
		Edition_2004_over = newImage("Data/images/Edition_2004_over.gif");
		Edition_2005_over = newImage("Data/images/Edition_2005_over.gif");
		Renseignement_over = newImage("Data/images/Renseignement_over.gif");
		LivreDOr_over = newImage("Data/images/LivreDOr_over.gif");
		Contact_over = newImage("Data/images/Contact_over.gif");
		preloadFlag = true;
	}
}

function hex(n)
{
	return '0123456789ABCDEF'.charAt(n>>4)+'0123456789ABCDEF'.charAt(n&15)
}

function bg() {
	string='';
	for(y=256;y>0;y--) 
		string+='<tr><td bgcolor="33'+hex(240-y*.7)+'EE"/></tr>';
	document.write(string);
}

function em(a,b,c,d) {
	mail = a+'@'+b+'.'+c;
	if (d==undefined || d=="") mail2=(mail.split("?"))[0];
	else mail2=d;
	document.write('<a href=\"mailto:' + mail + '\">' + mail2 + '</a>');
}
function emt(a,b,c,d) {
	mail = a+'@'+b+'.'+c;
	if (d==undefined || d=="") mail2=(mail.split("?"))[0];
	else mail2=d;
	document.write('<a href=\"mailto:' + mail + '\" onClick=\"javascript:urchinTracker(\'/mail/' + mail + '\');\">' + mail2 + '</a>');
}