var tot_banners = 20;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % tot_banners;
ad +=1;


if (ad==9) {	
url="emp/almagrama.htm";	
banner="ads/167x96_almagrama.gif";	
}	
if (ad==10) {	
url="emp/asha.htm";	
banner="ads/167x96_asha.gif";	
}	
if (ad==11) {	
url="emp/asociacion_zen.htm";	
banner="ads/167x96_asociacion_zen.gif";	
}	
if (ad==12) {	
url="emp/atala.htm";	
banner="ads/167x96_atala.gif";	
}	
if (ad==13) {	
url="emp/brahma_kumaris.htm";	
banner="ads/167x96_brahma_kumaris.gif";	
}	
if (ad==14) {	
url="emp/ecovital.htm";	
banner="ads/167x96_ecovital.gif";	
}	
if (ad==15) {	
url="emp/el_almirez_de_sento.htm";	
banner="ads/167x96_el_almirez_de_sento.gif";	
}	
if (ad==16) {	
url="emp/el_crisol.htm";	
banner="ads/167x96_el_crisol.gif";	
}	
if (ad==17) {	
url="emp/eva_lunella.htm";	
banner="ads/167x96_eva_lunella.gif";	
}	
if (ad==18) {	
url="emp/la_botiga_de_la_iaia.htm";	
banner="ads/167x96_la_botiga_de_la_iaia.gif";	
}	
if (ad==19) {	
url="emp/laser_master.htm";	
banner="ads/167x96_laser_master.gif";	
}	
if (ad==20) {	
url="emp/oasis.htm";	
banner="ads/167x96_oasis.gif";	
}	
if (ad==1) {	
url="emp/rebirthing.htm";	
banner="ads/167x96_rebirthing.gif";	
}	
if (ad==2) {	
url="emp/tabastop.htm";	
banner="ads/167x96_tabastop.gif";	
}	
if (ad==3) {	
url="emp/veronica_atala.htm";	
banner="ads/167x96_veronica_atala.gif";	
}	
if (ad==4) {	
url="emp/adshu.htm";	
banner="ads/167x96_adshu.gif";	
}	
if (ad==5) {	
url="emp/biomenu.htm";	
banner="ads/167x96_biomenu.gif";	
}	
if (ad==6) {	
url="http://www.edyhouse.es";	
banner="ads/167x96_edyhouse.gif";	
}	
if (ad==7) {	
url="emp/luna_y_econat.htm";	
banner="ads/167x96_luna_y_econat.gif";	
}	
if (ad==8) {	
url="emp/asha.htm";	
banner="ads/167x96_myriam_valls.gif";	
}	
	


	 
document.write('<a href=\"' + url + '\" target=\"_top\">');
document.write('<img src=\"' + banner + '\" border="1"><br>');