var Primex  = new Array(5)
Primex[1]= 250
Primex[2]= 500
Primex[3]= 750
Primex[4]= 1000
Primex[5]= 1250

function Goforitman() 
{
var a = parseInt(document.subs.years.value)

	if (a>0) 
	{
		document.subs.Baton.disabled=false;
		document.subs.Price.value='$'+ Primex[parseInt(a)]; //'$'+mp+' CDN'
	}

else {
  document.subs.Price.value='';
  document.subs.Baton.disabled=true;
}
}