使浏览者自己选择回退的页面数

<STYLE type=text/css>BODY { MARGIN: 25px 25px 25px } #all TD { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体" } INPUT { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体" } SELECT { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体" } P { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体" } TEXTAREA { FONT-SIZE: 12px; LINE-HEIGHT: 15px; FONT-FAMILY: "Verdana", "Arial","新宋体", "宋体" } #all A:active { COLOR: #7d070c } #all A:visited { COLOR: #7d070c } #all A:hover { COLOR: #336699 } #all A:link { COLOR: #7d070c } </STYLE> <script language="JavaScript1.2"> //1) 设置显示的内容 var scroller_msg='欢迎你的光临' //2) 设置多长时间后才显示滚动的内容 var dismissafter=0 var initialvisible=0 if (document.all) document.write('<marquee id="curscroll" style="position:absolute;width:150px;border:1px solid black;font-size:14px;background-color:white;visibility:hidden">'+scroller_msg+'</marquee>') function followcursor(){ //move cursor function for IE if (initialvisible==0){ curscroll.style.visibility="visible" initialvisible=1 } curscroll.style.left=document.body.scrollLeft+event.clientX+10 curscroll.style.top=document.body.scrollTop+event.clientY+10 } function dismissmessage(){ curscroll.style.visibility="hidden" } if (document.all){ document.onmousemove=followcursor document.ondblclick=dismissmessage if (dismissafter!=0) setTimeout("dismissmessage()",dismissafter*1000) } //--> </script>