hai i am new to jasper report.. so please help me ?

i have created two jasper files. namely xxx.japser,yyy.jasper. in xxx.jasper i have hyper link to yyy.jasper. when i am clicking hyperlink in xxx.jasper doesn't opening yyy.jasper file.. i don't know why? i had tried several options still i couldn't fine the solution for this..please some one help me.. :roll: thanks in advance..