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auto adjust horizontal menu bar

November 1, 2013

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Note: the adjustments happen after the window loads
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  1. window.onload = function(){
  2.     getArrayHorizontalBarLength();
  3. };
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Note: strings with ‘#’ is an id name of an element. the code uses jquery functions
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  1. function getArrayHorizontalBarLength() {
  2.         var widthHorizontalBar = 820;
  3.         var ctr = 0;
  4.         var widthMenus = 0;
  5.         // get the width of the div containing the horizontal menu links
  6.         // and add everything.
  7.         while (ctr < $(‘#navigation_horizontalbar div’).length) {
  8.             widthMenus += $(‘#navigation_horizontalbar div’)[ctr].clientWidth;
  9.             ctr++;
  10.         }
  11.         var totalWidthSoFar = widthMenus + (ctr + 2) * 2;
  12.         var excessPX = widthHorizontalBar – totalWidthSoFar;
  13.         // we start to do the margin from left and right of the menu links
  14.         // in the horizontal bar to have no excess space.
  15.         if (excessPX > 0) {
  16.             var paddingMenu = excessPX / ($(‘#navigation_horizontalbar div’).length) * 2);
  17.             ctr = 0;
  18.             while (ctr < $(‘#navigation_horizontalbar div’).length) {
  19.                 document.getElementById($(‘#navigation_horizontalbar div’)[ctr]).style.paddingRight = paddingMenu;
  20.                 document.getElementById($(‘#navigation_horizontalbar div’)[ctr]).style.paddingLeft = paddingMenu;
  21.                 ctr++;
  22.             }
  23.         }
  24. }

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