<!-- header images script

var how_many_ads = 5;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;

if (ad==1) {
txt="TB1";
alt="Institute of Geophysics and Planetary Physics - Scripps UCSD";
banner= "/images/titleBars/TB1.jpg";
width="680";
height="71";
}
if (ad==2) {
txt="TB2";
alt="Institute of Geophysics and Planetary Physics - Scripps UCSD";
banner= "/images/titleBars/TB2.jpg";
width="680";
height="71";
}
if (ad==3) {
txt="TB3";
alt="Institute of Geophysics and Planetary Physics - Scripps UCSD";
banner= "/images/titleBars/TB3.jpg";
width="680";
height="71";
}
if (ad==4) {
txt="TB4";
alt="Institute of Geophysics and Planetary Physics - Scripps UCSD";
banner= "/images/titleBars/TB4.jpg";
width="680";
height="71";
}
if (ad==5) {
txt="TB5";
alt="Institute of Geophysics and Planetary Physics - Scripps UCSD";
banner= "/images/titleBars/TB5.jpg";
width="680";
height="71";
}

//-->