JS script function
writeText(txt) fn
document.getElementById("desc").innerHTML=txt;
img src ="planets.gif" width ="145" height ="126" alt="Planets" usemap="#planetmap"
map name="planetmap"
area shape ="rect" coords ="0,0,82,126"
onmouseover="writeText('The Sun and the gas giant planets like Jupiter are by far the largest objects in our Solar System.')"
href ="sun.htm" target ="_blank" alt="Sun"
area shape ="circle" coords ="90,58,3"
onmouseover="writeText('The planet Mercury is very difficult to study from the Earth because it is always so close to the Sun.')"
href ="mercur.htm" target ="_blank" alt="Mercury"
area shape ="circle" coords ="124,58,8"
onmouseover="writeText('Until the 1960s, Venus was often considered a twin sister to the Earth because Venus is the nearest planet to us, and because the two planets seem to share many characteristics.')"
href ="venus.htm" target ="_blank" alt="Venus"
map tag end
p id="desc"
Mouse over the sun and the planets and see the different descriptions.
writeText(txt) fn
document.getElementById("desc").innerHTML=txt;
img src ="planets.gif" width ="145" height ="126" alt="Planets" usemap="#planetmap"
map name="planetmap"
area shape ="rect" coords ="0,0,82,126"
onmouseover="writeText('The Sun and the gas giant planets like Jupiter are by far the largest objects in our Solar System.')"
href ="sun.htm" target ="_blank" alt="Sun"
area shape ="circle" coords ="90,58,3"
onmouseover="writeText('The planet Mercury is very difficult to study from the Earth because it is always so close to the Sun.')"
href ="mercur.htm" target ="_blank" alt="Mercury"
area shape ="circle" coords ="124,58,8"
onmouseover="writeText('Until the 1960s, Venus was often considered a twin sister to the Earth because Venus is the nearest planet to us, and because the two planets seem to share many characteristics.')"
href ="venus.htm" target ="_blank" alt="Venus"
map tag end
p id="desc"
Mouse over the sun and the planets and see the different descriptions.