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Oct 6th, 2016
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  1. <script type='text/javascript'>//<![CDATA[
  2. (function(a) {
  3. a.fn.lazyload=function(b){var c={threshold:
  4.  
  5. 0,failurelimit:0,event:"scroll",effect:"show",container:window;
  6. };
  7. if(b) {
  8. a.extend(c,b);
  9. }
  10. var d=this;if("scroll"==c.event) {
  11. a(c.container).bind("scroll",function(b){var e=0;d.each(function(){if
  12. (a.abovethetop(this,c)||a.leftofbegin(this,c)){
  13. }
  14. else if(!a.belowthefold(this,c)&&!a.rightoffold(this,c)) {
  15. a(this).trigger("appear");
  16. }
  17. else {
  18. if(e++>c.failurelimit){return false;
  19. }}});
  20. var f=a.grep(d,function(a) {
  21. return!a.loaded;
  22. });
  23. d=a(f);
  24. })}
  25. this.each(function() {
  26. var b=this;if(undefined==a(b).attr("original")){a(b).attr("original",a(b).attr("src"));
  27. }
  28. if("scroll"!=c.event||undefined==a(b).attr("src")||c.placeholder==a(b).attr("src")||
  29. a.abovethetop(b,c)||a.leftofbegin(b,c)||a.belowthefold(b,c)||a.rightoffold(b,c)) {
  30. if(c.placeholder){a(b).attr("src",c.placeholder);
  31. }
  32. else {
  33. a(b).removeAttr("src");
  34. }
  35. b.loaded=false;
  36. }
  37. else {
  38. b.loaded=true;
  39. }
  40. a(b).one("appear",function() {
  41. if(!this.loaded){a("<img />").bind("load",function(){a(b).hide().attr("src",a(b).attr
  42. ("original"))[c.effect](c.effectspeed);b.loaded=true;
  43. }).attr("src",a(b).attr("original"));
  44. }});
  45. if("scroll"!=c.event) {
  46. a(b).bind(c.event,function(c){if(!b.loaded){a(b).trigger("appear");
  47. }})}});
  48. a(c.container).trigger(c.event);return this;
  49. };
  50. a.belowthefold=function(b,c) {
  51. if(c.container===undefined||c.container===window){var d=a(window).height()+a
  52. (window).scrollTop();
  53. }
  54. else {
  55. var d=a(c.container).offset().top+a(c.container).height();
  56. }
  57. return d<=a(b).offset().top-c.threshold;
  58. };
  59. a.rightoffold=function(b,c) {
  60. if(c.container===undefined||c.container===window){var d=a(window).width()+a
  61. (window).scrollLeft();
  62. }
  63. else {
  64. var d=a(c.container).offset().left+a(c.container).width();
  65. }
  66. return d<=a(b).offset().left-c.threshold;
  67. };
  68. a.abovethetop=function(b,c) {
  69. if(c.container===undefined||c.container===window){var d=a(window).scrollTop();
  70. }
  71. else {
  72. var d=a(c.container).offset().top;
  73. }
  74. return d>=a(b).offset().top+c.threshold+a(b).height();
  75. };
  76. a.leftofbegin=function(b,c) {
  77. if(c.container===undefined||c.container===window){var d=a(window).scrollLeft();
  78. }
  79. else {
  80. var d=a(c.container).offset().left;
  81. }
  82. return d>=a(b).offset().left+c.threshold+a(b).width();
  83. };
  84. a.extend(a.expr[":"], {
  85. "below-the-fold"
  86. :"$.belowthefold(a, {threshold : 0, container: window})","above-the-fold": "!
  87. $.belowthefold(a, {threshold : 0, container: window})","right-of-fold":"$.rightoffold
  88. (a, {threshold : 0, container: window})","left-of-fold":"!$.rightoffold(a, {threshold :
  89. 0, container: window})";
  90. })})(jQuery);$(function() {
  91. $("img").lazyload({placeholder:
  92. "http://i22.servimg.com/u/f22/15/42/72/40/grey10.gif",effect:"fadeIn",threshold:"-50";
  93. })})//]]></script>
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