number_of_sponsors=4;

var sctr=0;
var halt=0;
var isn=new Array();
for (i=0;i<number_of_sponsors;i++){
 isn[i]=new Image();
}
// archivos de BANNERS
isn[0].src="http://www.lbosa.com.ar/images/fotos/adrot/adrot_soja1.jpg";
isn[1].src="http://www.lbosa.com.ar/images/fotos/adrot/adrot_maiz1.jpg";
isn[2].src="http://www.lbosa.com.ar/images/fotos/adrot/adrot_girasol1.jpg";
isn[3].src="http://www.lbosa.com.ar/images/fotos/adrot/adrot_trigo1.jpg";

// URLs de links
var durl=new Array();

durl[0]="http://www.lbosa.com.ar/images/fotos/adrot/adrot.jpg";
durl[1]="http://www.lbosa.com.ar/images/fotos/adrot/adrot.jpg";
durl[2]="http://www.lbosa.com.ar/images/fotos/adrot/adrot.jpg";
durl[3]="http://www.lbosa.com.ar/images/fotos/adrot/adrot.jpg";

function rotateIt(){
    if (halt!=1){
        sctr++;
        if (sctr>number_of_sponsors-1){
            sctr=0;
        }
        document.sponsor.src=isn[sctr].src;
        document.sponsor.alt="Haga click para Ampliar";
        setTimeout("rotateIt()",5000);
    }
}

function doIt(){
   window.open(durl[sctr],'','');
}

function dispIt(){
   parent.window.status=durl[sctr];
 }
function dispnotIt(){
   parent.window.status="";
 }