Planet info

<script language="javascript"> function solar() { var planet=document.solarsystem.planet.value.toLowerCase() if (planet != true) {km="Check spelling ",au="Check spelling",time="Check spelling ",diameter="",moons="Check spelling"} if (planet=="mercury") {km="58",au="0.39",time="0.24",diameter="4,877",moons="0"} if (planet=="venus") {km="108",au="0.72",time="0.62",diameter="12,100",moons="0"} if (planet=="earth") {km="150",au="0.39",time="1.00",diameter="12,753",moons="1"} if (planet=="mars") {km="228",au="1.52",time="1.88",diameter="6,785",moons="2"} if (planet=="jupiter") {km="779",au="5.20",time="11.86",diameter="142,879",moons="16"} if (planet=="saturn") {km="1,427",au="9.54",time="29.46",diameter="120,514",moons="18"} if (planet=="uranus") {km="2.869",au="19.18",time="84.01",diameter="51,166",moons="17"} if (planet=="neptune") {km="4,496",au="30.06",time="164.79",diameter="49,557",moons="8"} if (planet=="pluto") {km="5,899",au="39.44",time="247.7",diameter="2,300",moons="1"} if (planet=="") {km="0",au="0",time="0",diameter="0",moons="0",alert("You wrote nothing")} document.solarsystem.km.value=km + " millions of kms" document.solarsystem.au.value=au + " au" document.solarsystem.time.value=time+" earth years" document.solarsystem.diameter.value=diameter + " kms" document.solarsystem.moons.value=moons + " moon/s" } </script>

<center><h1>Planet info</h1> </center> <div align="left"> <table border="2" width="100%"> <tr> <form name="solarsystem"> <td width="33%">Planet name</td> <td width="33%"><input name="planet" type="text" value=""></td> <td width="34%"><input type="button" value="Info"onClick="solar()"></td> </tr> <tr> <td width="33%">Distance away from the sun</td> <td width="33%"><input name="km" type="text" value=""></td> <td width="34%"><input name="au" type="text" value=""></td> </tr> <tr> <td width="33%"> Time taken to orbit the sun</td> <td width="33%"><input name="time" type="text" value=""></td> <td width="34%"> </td> </tr> <tr> <td width="33%">Diameter of the planet</td> <td width="33%"><input name="diameter" type="text" value=""></td> <td width="34%"> </td> </tr> <tr> <td width="33%"> Moons</td> <td width="33%"><input name="moons" type="text" value=""></td> <td width="34%"> </td> </form> </tr> </table> </div>