var nbimage= 30;
var width;
var height;
var url;
var alte;

function amusicales()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "images/vignette_amusicales_dj.jpg";
alte = "Image 1";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "images/vignette_amusicales_jazz.jpg";
alte = "Image 2";
}
if (numimage > 20)
{
gotosite = "";
url = "images/vignette_amusicales_piano.jpg";
alte = "Image 3";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}


function avisuelles()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "images/vignette_avisuelles_magicien.jpg";
alte = "Image 1";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "images/vignette_avisuelles_danseurs.jpg";
alte = "Image 2";
}
if (numimage > 20)
{
gotosite = "";
url = "images/vignette_avisuelles_silhouettiste.jpg";
alte = "Image 3";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}


function decolumiere()
{
numimage= Math.round(Math.random()*(nbimage-1)+1);
if (numimage <= 10)
{
gotosite = "";
url = "images/vignette_deco_ambre.jpg";
alte = "Image 1";
}
if (numimage > 10 && numimage <= 20)
{
gotosite = "";
url = "images/vignette_deco_centre.jpg";
alte = "Image 2";
}
if (numimage > 20)
{
gotosite = "";
url = "images/vignette_deco_lumiere.jpg";
alte = "Image 3";
}
if(gotosite != "")
	{
	document.write ('<A HREF="' + gotosite + '">');	
	}
document.write('<IMG SRC="' + url + '" ALT="' + alte + '" BORDER=0>')
if(gotosite != "")
	{
	document.write('</A>')
	}
}