What is my dog mixed with?

my dog is golden , has a curled tail , blue eyes , and her ears stick up a little

The web link below has photos of all dog breeds plus many cross breed photos A to Z at the bottom of the page:

http://www.dogbreedinfo.com/abc.htm

my frog is the pretiest

The best and cheapest way is too comepair pictures.
However is you really wanna know, they is a way to do a DNA sample.
I am not sure how, you would have to ask around and it might be costly.