if (document.images) {
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  pr_r2_c11_f1 = new Image(65 ,25); pr_r2_c11_f1.src = "images/pr_r2_c11.gif";
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  pr_r7_c21_f1 = new Image(88 ,14); pr_r7_c21_f1.src = "images/pr_r7_c21.gif";
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  pr_r8_c20_f1 = new Image(77 ,24); pr_r8_c20_f1.src = "images/pr_r8_c20.gif";
  pr_r8_c21_f2 = new Image(88 ,24); pr_r8_c21_f2.src = "images/pr_r8_c21_f2.gif";
  pr_r8_c21_f1 = new Image(88 ,24); pr_r8_c21_f1.src = "images/pr_r8_c21.gif";
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  pr_r9_c2_f1 = new Image(32 ,25); pr_r9_c2_f1.src = "images/pr_r9_c2.gif";
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  pr_r9_c9_f1 = new Image(253 ,25); pr_r9_c9_f1.src = "images/pr_r9_c9.gif";
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  pr_r11_c2_f1 = new Image(59 ,16); pr_r11_c2_f1.src = "images/pr_r11_c2.gif";
  pr_r11_c20_f2 = new Image(77 ,16); pr_r11_c20_f2.src = "images/pr_r11_c20_f2.gif";
  pr_r11_c20_f1 = new Image(77 ,16); pr_r11_c20_f1.src = "images/pr_r11_c20.gif";
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  pr_r11_c21_f1 = new Image(88 ,16); pr_r11_c21_f1.src = "images/pr_r11_c21.gif";
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  pr_r13_c2_f1 = new Image(88 ,15); pr_r13_c2_f1.src = "images/pr_r13_c2.gif";
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  pr_r15_c2_f1 = new Image(88 ,15); pr_r15_c2_f1.src = "images/pr_r15_c2.gif";
  pr_r17_c2_f2 = new Image(88 ,15); pr_r17_c2_f2.src = "images/pr_r17_c2_f2.gif";
  pr_r17_c2_f1 = new Image(88 ,15); pr_r17_c2_f1.src = "images/pr_r17_c2.gif";
  pr_r19_c2_f2 = new Image(88 ,16); pr_r19_c2_f2.src = "images/pr_r19_c2_f2.gif";
  pr_r19_c2_f1 = new Image(88 ,16); pr_r19_c2_f1.src = "images/pr_r19_c2.gif";
  pr_r21_c2_f2 = new Image(88 ,16); pr_r21_c2_f2.src = "images/pr_r21_c2_f2.gif";
  pr_r21_c2_f1 = new Image(88 ,16); pr_r21_c2_f1.src = "images/pr_r21_c2.gif";
  pr_r23_c2_f2 = new Image(88 ,17); pr_r23_c2_f2.src = "images/pr_r23_c2_f2.gif";
  pr_r23_c2_f1 = new Image(88 ,17); pr_r23_c2_f1.src = "images/pr_r23_c2.gif";
  pr_r25_c2_f2 = new Image(88 ,17); pr_r25_c2_f2.src = "images/pr_r25_c2_f2.gif";
  pr_r25_c2_f1 = new Image(88 ,17); pr_r25_c2_f1.src = "images/pr_r25_c2.gif";
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  pr_r27_c2_f1 = new Image(88 ,17); pr_r27_c2_f1.src = "images/pr_r27_c2.gif";
  pr_r29_c2_f2 = new Image(88 ,17); pr_r29_c2_f2.src = "images/pr_r29_c2_f2.gif";
  pr_r29_c2_f1 = new Image(88 ,17); pr_r29_c2_f1.src = "images/pr_r29_c2.gif";
  pr_r31_c2_f2 = new Image(88 ,16); pr_r31_c2_f2.src = "images/pr_r31_c2_f2.gif";
  pr_r31_c2_f1 = new Image(88 ,16); pr_r31_c2_f1.src = "images/pr_r31_c2.gif";
  pr_r33_c2_f2 = new Image(88 ,19); pr_r33_c2_f2.src = "images/pr_r33_c2_f2.gif";
  pr_r33_c2_f1 = new Image(88 ,19); pr_r33_c2_f1.src = "images/pr_r33_c2.gif";
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  pr_r35_c2_f1 = new Image(88 ,28); pr_r35_c2_f1.src = "images/pr_r35_c2.gif";
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  pr_r37_c2_f1 = new Image(88 ,27); pr_r37_c2_f1.src = "images/pr_r37_c2.gif";
  pr_r39_c2_f2 = new Image(88 ,24); pr_r39_c2_f2.src = "images/pr_r39_c2_f2.gif";
  pr_r39_c2_f1 = new Image(88 ,24); pr_r39_c2_f1.src = "images/pr_r39_c2.gif";
  pr_r41_c2_f2 = new Image(88 ,25); pr_r41_c2_f2.src = "images/pr_r41_c2_f2.gif";
  pr_r41_c2_f1 = new Image(88 ,25); pr_r41_c2_f1.src = "images/pr_r41_c2.gif";
  pr_r43_c2_f2 = new Image(88 ,27); pr_r43_c2_f2.src = "images/pr_r43_c2_f2.gif";
  pr_r43_c2_f1 = new Image(88 ,27); pr_r43_c2_f1.src = "images/pr_r43_c2.gif";
  pr_r45_c2_f2 = new Image(88 ,28); pr_r45_c2_f2.src = "images/pr_r45_c2_f2.gif";
  pr_r45_c2_f1 = new Image(88 ,28); pr_r45_c2_f1.src = "images/pr_r45_c2.gif";
  pr_r47_c2_f2 = new Image(88 ,14); pr_r47_c2_f2.src = "images/pr_r47_c2_f2.gif";
  pr_r47_c2_f1 = new Image(88 ,14); pr_r47_c2_f1.src = "images/pr_r47_c2.gif";
  }