var groups=document.searchform01.Period.options.length
var group=new Array(groups)
for (i=0; i<groups; i++)
group[i]=new Array()

group[0][0]=new Option("Select a Service/Period...","#")
group[0][1]=new Option("","")
group[0][2]=new Option("","")
group[0][3]=new Option("","")
group[0][4]=new Option("","")


group[1][0]=new Option("Royal Navy/Marines","Royal Navy/Marines")
group[1][1]=new Option("Regular Army/Militia","Regular Army/Militia")
group[1][2]=new Option("Merchant Navy","Merchant Navy")


group[2][0]=new Option("Royal Navy/Marines","Royal Navy/Marines")
group[2][1]=new Option("Army","Army")
group[2][2]=new Option("Royal Air Force","Royal Air Force")
group[2][3]=new Option("Merchant Navy","Merchant Navy")


group[3][0]=new Option("Royal Navy/Marines","Royal Navy/Marines")
group[3][1]=new Option("Army","Army")
group[3][2]=new Option("Royal Air Force","Royal Air Force")
group[3][3]=new Option("Merchant Navy","Merchant Navy")


group[4][0]=new Option("Royal Navy/Marines","Royal Navy/Marines")
group[4][1]=new Option("Army","Army")
group[4][2]=new Option("Royal Air Force","Royal Air Force")
group[4][3]=new Option("Merchant Navy","Merchant Navy")


group[5][0]=new Option("Show All...","*")

group[6][0]=new Option("Show All...","*")

group[7][0]=new Option("Show All...","*")


var temp=document.searchform01.Force
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
}