// All links must in in same folder
function writeHeaderHTML() {

document.writeln("<FORM NAME=activityNav>");
document.writeln("      <SELECT NAME='contents' onChange='javascript:goSelectedPage();return false;'>");
document.writeln("      	<OPTION  VALUE=''>--Choose a Section--");   
document.writeln("      	<OPTION  VALUE='intro'>Introduction");            
document.writeln("          <OPTION  VALUE='brain'>Alcohol's Effect on the Brain");
document.writeln("          <OPTION  VALUE='symptoms'>Alcohol Addiction and Its Causes");
document.writeln("          <OPTION  VALUE='youth'>Alcohol Use Among Young People");
document.writeln("          <OPTION  VALUE='laws'>Laws Regulating Alcohol Use and Abuse");
document.writeln("          <OPTION  VALUE='activity'>Student Activities");
document.writeln("      </SELECT>");
document.writeln("</FORM>");
}