var com='"You are probably a business. You could be based anywhere in the world!"';
var org='"You are a non-commercial organisation. Could be based anywhere!"';
var net='"You are an Internet service provider. You could be located anywhere in the world!"';
var biz='"You are a business. You could be based anywhere!"';
var info='"You are a resource such as an educational site or a business support site. You could be based anywhere"';
var couk='"You are a UK business"';
var orguk='"You are a non-commercial organisation based in the UK"';
var meuk='"You are an individual based in the UK"';

function doHelp()
   {
   if(document.getElementById)
	 {
	 var types=document.getElementById('extension');
	 var help=document.getElementById('help');
	 var set=types.options[types.selectedIndex].value;
     if(set=='com'){help.firstChild.nodeValue=com;}
	 else if(set=='org'){help.firstChild.nodeValue=org;}
	 else if(set=='net'){help.firstChild.nodeValue=net;}
	 else if(set=='biz'){help.firstChild.nodeValue=biz;}
	 else if(set=='info'){help.firstChild.nodeValue=info;}
	 else if(set=='org.uk'){help.firstChild.nodeValue=orguk;}
	 else if(set=='me.uk'){help.firstChild.nodeValue=meuk;}
	 else {help.firstChild.nodeValue=couk;}	 
	 }
   /* else default text appears */	 
   }