remove clear() and cleanse()
make sure the following is in the head section
<script src=hwsupportn7.js></script>
<script src="reflist.js"></script>
<script src="numberconvert.js"></script>

add the word "to" to the phrase about
getting the answer

Insert the following in the onLoad
"timer(0),whatbrowser(),cleanse()"

<input type=button value="New Problem" onClick="startit()"><br>
<input type="text" name=theans size=8>Enter your answer here<br>
<input type="button" value="Check Answer" onClick=answer(this.form.theans.value)>
<input type="button" value="Show Answer" onClick=showanswer()><br>

notes:
convert mass needs look at sig figs
debroglie needs to be converted to use numberconvert.js
problem with the combined stoichiometry page-locking up
heat transfer word problems need data added to question
hydrogen spectrum needs conversion to numberconvert