1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <title>可展开和收起的在线客服代码</title> 6 <style type="text/css"> 7 img{border:0;} 8 ul,li{padding:0;margin:0;} 9 .QQbox {z-index:99;right:0;width:128px;height:128px;position:absolute;} 10 .QQbox .press{right:0;width:36px;cursor:pointer;position:absolute;height:128px;} 11 .QQbox .Qlist{left:0;width:131px;position:absolute;height:128px;background:url(http://js.alixixi.com/images/floatServiceBj.gif) no-repeat left center;} 12 .QQbox .Qlist ul{padding:43px 0 0 21px;} 13 .QQbox .Qlist li{height:26px;margin-bottom:11px;_margin-bottom:7px; list-style-type:none;} 14 </style> 15 <script type="text/javascript"> 16 window.onload = window.onresize = window.onscroll = function () 17 { 18 var oBox = document.getElementById("divQQbox"); 19 var oLine = document.getElementById("divOnline"); 20 var oMenu = document.getElementById("divMenu"); 21 var iScrollTop = document.documentElement.scrollTop || document.body.scrollTop; 22 setTimeout(function () 23 { 24 clearInterval(oBox.timer); 25 var iTop = (document.documentElement.clientHeight - oBox.offsetHeight)/2 + iScrollTop; 26 oBox.timer = setInterval(function () 27 { 28 var iSpeed = (iTop - oBox.offsetTop) / 8; 29 iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed); 30 oBox.offsetTop == iTop ? clearInterval(oBox.timer) : (oBox.style.top = oBox.offsetTop + iSpeed + "px"); 31 }, 30) 32 }, 100) 33 34 oBox.onmouseover = function () 35 { 36 this.style.width = 131 + "px"; 37 oLine.style.display = "block"; 38 oMenu.style.display = "none"; 39 }; 40 oBox.onmouseout = function () 41 { 42 this.style.width = ''; 43 oLine.style.display = "none"; 44 oMenu.style.display = "block"; 45 }; 46 }; 47 </script> 48 </head> 49 <body style="height:2000px;"> 50 <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /> 51 <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /> 52 <!--在线客服 begin --> 53 <div class="QQbox" id="divQQbox" > 54 <div class="Qlist" id="divOnline" style="display:none;"> 55 <ul> 56 <li><a href="#"><img src="http://js.alixixi.com/images/floatServiceWeb.gif" alt="网页方式"></a></li> 57 <li><a href="#"><img src="http://js.alixixi.com/images/floatServiceQq.gif" alt="QQ方式"></a></li> 58 </ul> 59 </div> 60 <div id="divMenu"><img src="http://js.alixixi.com/images/floatService.gif" class="press" alt="在线客服"></div> 61 </div> 62 63 </body> 64 </html>