这个网站是一个名为“陕西省核工业二一五医院”的页面，它包含了一些JavaScript代码。这段代码的主要功能是实现一个垂直滚动条（adu0），当用户滚动页面时，它会在页面上显示图片。
以下是这段代码的简要介绍：
”`javascript
// 水平 //上下 var xu0 = 0;yu0 = 0; var xinu0 = true; yinu0 = true; var stepu0 = 1; var delayu0 = 88; var obju0=document.getElementById(“adu0”);
var bdyu0 = document.body; if (document.compatMode && document.compatMode != “BackCompat”) bdyu0 = document.documentElement; else bdyu0 = document.body;
function floatADu0()
{ var bdy_scrollTop = doc.body.scrollTop; var bdy_scrollLeft = doc.body.scrollLeft; var bdy_height = doc.body.clientHeight; var bdy_width = doc.body.clientWidth; var bdy_offsetTop = bdy_scrollTop + bdy_height / 2; var bdy_offsetLeft = bdy_scrollLeft + bdy_width / 2; var bdy_offsetTop = bdy_offsetTop - bdy_height / 2; var bdy_offsetLeft = bdy_offsetLeft - bdy_width / 2; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdyoffsetTop + stepu0 * delayu0; var bdy offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0 * delayu0; var bdy_offsetTop = bdy_offsetTop + stepu0 * delayu0; var bdy_offsetLeft = bdy_offsetLeft + stepu0*delayu0; var obju0=document.getElementById(“adu0”);
obju0.style.display=“none”;
//水平 //上下 var xu0 = 0;yu0 = 0; var xinu0 = true; yinu0 = true; var stepu0 = 1; var delayu0=88; var obju0=document.getElementById(“adu0”);
var bdyu0 = document.body; if (document.compatMode && document.compatMode != “BackCompat”) bdyu0 = document.documentElement; else bdyu0 = document.body;
function floatADu0()
{ var bdy_scrollTop = doc.body.scrollTop; var bdy_scrollLeft =
