function expandcollapse (postid) { 
   whichpost = document.getElementById(postid);    
   if (whichpost.className=="postshown") { 
      whichpost.className="posthidden"; 
   } 
   else { 
      whichpost.className="postshown"; 
   } 
}

var groups=document.isc.example.options.length
var group=new Array(groups)
for (i=0; i<groups; i++)
group[i]=new Array()

group[0][0]=new Option("---Kies fitness methode---"," ");

group[1][0]=new Option("Kies 1 van onze site`s"," ");
group[1][1]=new Option("fitnessshowroom.nl","47");
group[1][2]=new Option("fitnesssport.nl","46");
group[1][3]=new Option

group[2][0]=new Option("Kies 1 van onze site`s");
group[2][1]=new Option("thuistrainer.nl");
group[2][2]=new Option ("hometrainershowroom.nl");


var temp=document.isc.stage2


function redirect(x){
for (m=temp.options.length-1;m>0;m--)
temp.options[m]=null
for (i=0;i<group[x].length;i++){
temp.options[i]=new Option(group[x][i].text,group[x][i].value)
}
temp.options[0].selected=true
redirect1(0)
}

var secondGroups=document.isc.stage2.options.length
var secondGroup=new Array(groups)
for (i=0; i<groups; i++)  {
secondGroup[i]=new Array(group[i].length)
for (j=0; j<group[i].length; j++)  {
secondGroup[i][j]=new Array()  }}

secondGroup[0][0][0]=new Option("---Kies productgroep---"," ");
secondGroup[1][0][0]=new Option("---Kies productgroep---"," ");
secondGroup[1][1][0]=new Option("Kies product groep"," ");
secondGroup[1][1][1]=new Option("Cardiofitness","http://www.fitnessshowroom.nl/cardiofitness.htm");
secondGroup[1][1][2]=new Option("Krachtsport","http://www.fitnessshowroom.nl/krachtsport.htm");
secondGroup[1][1][3]=new Option

secondGroup[1][2][0]=new Option("Kies produktgroep"," ");
secondGroup[1][2][1]=new Option("Hometrainers","http://www.fitnesssport.nl/hometrainers.htm");
secondGroup[1][2][2]=new Option("Loopbanden","http://www.fitnesssport.nl/loopbanden.htm");
secondGroup[1][2][3]=new Option("Crosstrainers","http://www.fitnesssport.nl/crosstrainers.htm");
secondGroup[1][2][4]=new Option("Roeiers","http://www.fitnesssport.nl/roeiers.htm");
secondGroup[1][2][5]=new Option("Steppers","http://www.fitnesssport.nl/steppers.htm");
secondGroup[1][2][6]=new Option("Hartslagmeters","http://www.fitnesssport.nl/hartslagmeters.htm");
secondGroup[1][2][7]=new Option("Figuurtrainers","http://www.fitnesssport.nl/figuurtrainers.htm");
secondGroup[1][2][8]=new Option("Krachtsport","http://www.fitnesssport.nl/krachtsport.htm");
secondGroup[1][2][9]=new Option("Halters","http://www.fitnesssport.nl/halters.htm");
secondGroup[1][2][10]=new Option("Fitness algemeen","http://www.fitnesssport.nl/algemeen.htm");
secondGroup[1][2][11]=new Option
secondGroup[1][2][12]=new Option

secondGroup[1][3][0]=new Option("Kies produktgroep"," ");
secondGroup[1][3][1]=new Option();
secondGroup[1][3][2]=new Option();

secondGroup[2][0][0]=new Option("Kies produktgroep"," ");
secondGroup[2][1][0]=new Option("Kies produktgroep"," ");
secondGroup[2][1][1]=new Option("Algemeen","http://www.thuistrainer.nl/algemeen.htm");
secondGroup[2][1][2]=new Option("Hometrainers","http://www.thuistrainer.nl/hometrainers.htm");
secondGroup[2][1][3]=new Option("Steppers","http://www.thuistrainer.nl/steppers.htm");
secondGroup[2][1][4]=new Option("Roeiers","http://www.thuistrainer.nl/roeiers.htm");
secondGroup[2][1][5]=new Option("Loopbanden","http://www.thuistrainer.nl/loopbanden.htm");
secondGroup[2][1][6]=new Option("Crosstrainers","http://www.thuistrainer.nl/crosstrainers.htm");
secondGroup[2][1][7]=new Option("Krachtsport","http://www.thuistrainer.nl/krachtsport.htm");
secondGroup[2][1][8]=new Option("Algemeen","http://www.thuistrainer.nl/algemeen.htm");

secondGroup[2][2][0]=new Option("Kies apparaat"," ");
secondGroup[2][2][1]=new Option("Hometrainer","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][2]=new Option("Looptrainer","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][3]=new Option("Crosstrainer","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][4]=new Option("Hometrainers","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][5]=new Option("Steppers","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][6]=new Option("Roeitrainer","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][7]=new Option("Loopbanden","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][8]=new Option("Halters en Gewicht","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][9]=new Option("Krachtsport","http://www.hometrainershowroom.nl/shop");
secondGroup[2][2][10]=new Option("Homegym","http://www.hometrainershowroom.nl/shop");

var temp1=document.isc.stage3
function redirect1(y){
for (m=temp1.options.length-1;m>0;m--)
temp1.options[m]=null
for (i=0;i<secondGroup[document.isc.example.options.selectedIndex][y].length;i++){
temp1.options[i]=new Option(secondGroup[document.isc.example.options.selectedIndex][y][i].text,secondGroup[document.isc.example.options.selectedIndex][y][i].value)
}
temp1.options[0].selected=true
}

function redirect2(z){
window.location=temp1[z].value
}