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   1  var maxHeight = 550;
   2  var maxListHeight = 120;
   3  
   4  function init() {
   5      if (document.getElementById("singleimage")) single();
   6      /*else if (document.getElementById("pictures")) list();*/
   7  }
   8  
   9  function list() {
  10      imageDivs = document.getElementsByName("listimage");
  11      for (i=0; i < imageDivs.length; i++) {
  12          currentHeight = imageDivs[i].offsetHeight;
  13          currentWidth = imageDivs[i].offsetWidth;
  14  
  15          if (currentHeight > maxListHeight) {
  16              ratio = maxListHeight / currentHeight;
  17              imageDivs[i].style.width = (currentWidth*ratio) + 'px';
  18              imageDivs[i].style.height = (currentHeight*ratio) + 'px';
  19              imageDivs[i].firstChild.style.height = '100%';
  20              imageDivs[i].firstChild.style.width = '100%';
  21          }
  22      }
  23  }
  24  
  25  function single() {
  26      var imageDiv = document.getElementById("singleimage");
  27  
  28      if (imageDiv) {
  29          currentHeight = imageDiv.offsetHeight;
  30          currentWidth  = imageDiv.offsetWidth;
  31  
  32          if (currentHeight > maxHeight) {
  33              ratio = maxHeight / currentHeight;
  34              imageDiv.style.width = (currentWidth*ratio) + 'px';
  35              imageDiv.style.height = (currentHeight*ratio) + 'px';
  36  
  37          }
  38      }
  39  }
  40  
  41  window.onload = init;