/pwpf_hr/prb_h_ge.10_0f_sm.gif "PRBLTY of ZR  >= .10" valid  00Z 01/01/1970"  
    /pwpf_hr/prb_h_ge.25_0f_sm.gif "PRBLTY of ZR  >= .25" valid  00Z 01/01/1970"  
    /pwpf_hr/prb_h_ge.50_0f_sm.gif "PRBLTY of ZR  >= .50" valid  00Z 01/01/1970"  
    /pwpf_hr/prb_h_ge1.0_0f_sm.gif "PRBLTY of ZR  >= 1.00" valid  00Z 01/01/1970"