Javascript函数仅在刷新后运行（f5）

背景：我为目前正在开发的一个婚礼摄影网站购买了一个模板。我有一个关于html和css的一般知识库。我从来没有真正使用过javascript，因为我大部分时间都在编写c。您可以访问以下网站：

可在此处找到该网站的完整工作版本：

错误：当您打开网站时，它工作正常，并通过javascript（jQuery（document））提取所有正确的图像。但是，如果您转到另一个页面，则在按ctrl/r/f5之前，似乎不会加载任何javascript。如果返回主页，则除非按“刷新”，否则此操作也将不起作用

我的研究：所以我花了好几个小时在谷歌搜索，是的，甚至第2页！有些人在使用on.load函数，有些人在使用后台工作程序函数？再说一次，我对c#充满信心，而不是javascript！我将粘贴下面的代码提供它不是太长！我不太确定应该把正确的代码放在哪里，所以如果有人能在正确的方向上帮助我，我将非常感激：）谢谢

我还注意到，在java脚本中，右键单击已被禁用，但是，一旦页面刷新以加载图像，您就可以右键单击页面

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