If you're building the URL inside Flash
inside quotes is literal: "
http://www.somesite.com?var1="
outside quotes is Flash variables: +var1+
plus more literal: "&var2="
plus flash variable: +var 2
So building an URL to pass
var url = "
http://www.somesite.com?var1="+var1+"&var2="+var 2
getURL(url, ...)
Jorge