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

group[0][0]=new Option("---Select Style-----"," ");

group[1][0]=new Option("3 Tab CT20","http://www.mclean-roofing.com/certainteedCT20-shingle-colors.htm");
group[1][1]=new Option("3 Tab XT30","http://www.mclean-roofing.com/certainteedXT30-shingle-colors.htm");
group[1][2]=new Option("Architectural Landmark","http://www.mclean-roofing.com/certainteedlandmark-shingle-colors.htm");
group[1][3]=new Option("Architectural Independence","http://www.mclean-roofing.com/certainteedindependence-shingle-colors.htm");
group[1][4]=new Option("Designer Grand Manor","http://www.mclean-roofing.com/certainteedgrandmanor-shingle-colors.htm");
group[1][5]=new Option("Designer Presidential Shake TL","http://www.mclean-roofing.com/certainteedpresidentialshake-shingle-colors.htm");
group[1][6]=new Option("Designer Centennial Slate","http://www.mclean-roofing.com/certainteedcentennialslate-shingle-colors.htm");

group[2][0]=new Option("Royal Sovereign 25","http://www.mclean-roofing.com/gafRoyalSovereign25-shingle-colors.htm");

group[3][0]=new Option("Raised Profile 30","http://www.mclean-roofing.com/elkraisedprofile-shingle-colors.htm");

var temp=document.doublecombo.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}
function go(){
location=temp.options[temp.selectedIndex].value}