var rand;var banner;var direccion; var alt;
rand=Math.floor(1*Math.random()+1);
mostrado = false;

switch(rand) {
   case 1: document.write("<object width=\"468\" height=\"60\" type=\"application/x-shockwave-flash\" id=\"flashContent\" name=\"flashContent\" data=\"http://www.almalasersmedica.es/banner_accent_ultra.swf\"><param name=\"scale\" value=\"noScale\"><param name=\"salign\" value=\"lt\"><param name=\"quality\" value=\"best\"><param name=\"allowscriptaccess\" value=\"always\"></object>"); mostrado = true; break;
}

if(!mostrado)
	document.write("<a href='"+direccion+"'><img src='"+banner+"' border=0></a>");