var nomImgtext		= "actualites_,compagnies_,espacepro_,programmation_,infospratiques_,handicap_,contact_,logo_chalon_home_,galeriephotovideo_";
var nomImg			= nomImgtext.split(",");
var nomImgon		= new Array();
var nomImgout		= new Array();
var pathImage		= "/img/menu_2009/";
var extensionON	= "1.jpg";
var extensionOFF	= "0.jpg";
for (i in nomImg)
{
	nomImgon[i]		= new Image();
	nomImgout[i]	= new Image();
}


function on(num)
{
	if (document.images) 
	{
		document.images[nomImg[num]].src = nomImgon[num].src;
	}
}

function out(num)
{
	if (document.images) 
	{
		document.images[nomImg[num]].src = nomImgout[num].src;
	}
}

function roll(name,source)
{
	if (document.images) 
	{
		eval("document.images."+name+".src = '"+source+"' ;");
	}
}

function precharge()
{	
	if (document.images)
	{
		// chargement des images nomImg
		for (i in nomImg)
		{
			nomImgon[i].src		= pathImage+nomImg[i]+extensionON;
			nomImgout[i].src	= pathImage+nomImg[i]+extensionOFF;
		}
	}
}