Hide user id and password from addressbar

 Hi     I am using Oracle report builder 10g. when i run report through hyperlink as given below it show complete path in addressbar include user id and password which is security voilation. please help me how can we hide user id and password from address bar
Path :=  SRW.SET_HYPERLINK('http:// 192.100.0. 1:8889/rep orts/rwser vlet?& repo rt=c:\CITY _MAS.jsp&d esformat=h tmlcss&des type=cache & userid=xy z/xyz@hell o&p_STATE= '||:STATE_ CODE);