var img_rnd = new Array ("rcs/1.gif", "rcs/2.gif", "rcs/3.gif", "rcs/4.gif", "rcs/5.gif", "rcs/6.gif", "rcs/7.gif", "rcs/8.gif", "rcs/9.gif", "rcs/10.gif", "rcs/11.gif", "rcs/12.gif", "rcs/13.gif", "rcs/14.gif", "rcs/15.gif");
var img_rnd2 = new Array ("rcs/1.jpg", "rcs/2.jpg", "rcs/3.jpg", "rcs/4.jpg", "rcs/5.jpg", "rcs/6.jpg", "rcs/7.jpg", "rcs/8.jpg", "rcs/9.jpg", "rcs/10.jpg", "rcs/11.jpg", "rcs/12.jpg", "rcs/13.jpg", "rcs/14.jpg", "rcs/15.jpg");
var p = Math.round(14*Math.random());

var e = Math.round(14*Math.random());

var r = Math.round(9*Math.random());
 
 if (r < 5) {
document.write('<a href="catalogo_01.htm" title="Cat&aacute;logo de pintura"><img src="' + img_rnd[p] + '" width="310" height="100" usemap="" border="0"></a>');
} else {
document.write('<a href="escultura_01.htm" title="Cat&aacute;logo de escultura"><img src="' + img_rnd2[e] + '" width="310" height="100" usemap="" border="0"></a>');
}