使用flex动态地将变量添加到URL

In my Flex application I am able to read the variables using something like /flexapp.html?name=josh with no problems. However, this is because I go into the URL and type in the variables by hand. Is there anyway in the code to dynamically append the variable part "?name=josh" ? For example, like retrieving the url and then adding that and then pointing to it?In my Flex application I am able to read the va