<html> <head> <title>Untitled Document</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <script language="JavaScript"> <!-- var scrollcount=0; var dragy; var scrollarrowtop; function initdrag() { scrollcount=1; dragy=event.clientY; document.body.setCapture(); } function startdrag() { if (scrollcount==1) { window.scrollBy(0,dragy-event.clientY); document.body.style.cursor=‘hand‘; dragy=event.clientY; } } function enddrag() { document.body.style.cursor=‘‘; scrollcount=0; document.body.releaseCapture(); } // --> </script> <link rel="stylesheet" href="images/test.css" type="text/css"> </head> <body bgcolor="#FFFFFF" text="#000000" onselectstart="return false;" onmousedown="initdrag()" onmousemove="startdrag()" onmouseup="enddrag()" scroll=yes> <p>111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> <p>6</p> <p>7</p> <p>8</p> <p>9</p> <p>0</p> <p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> <p>6</p> <p>7</p> <p>8</p> <p>9</p> <p>0</p> </body> </html>
原文：http://www.cnblogs.com/dashuai01/p/4954980.html