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淡蓝色感应鼠标显示二级菜单的CSS导航菜单

2015-03-24 17:13 405 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>带缓冲效果可用滚动条控制左右滚动的菜单丨河北橡胶地板|日本纳豆</title>
<style>
ul{margin:0;padding:0;list-style:none;width:100000px}
li{margin:0;padding:0;width:100px;height:100px;display:block;float:left;margin-right:5px;background:#009900}
#img_bag{width:640px;height:100px;background:#FF9900;margin:0 auto;}
#img_bag a{float:left;width:20px;display:block;height:20px;font-weight:bold;}
#img_bag #img{width:600px;height:100px;background:#ccc;overflow:hidden;float:left}
#scrollBar{width:600px;height:20px;background:#FF0000;margin:0 auto;position:relative}
#scroll{width:30px;height:20px;background:#000;cursor:pointer;position:absolute;}
</style>
</head>
<body>
<div id="img_bag">
<a href="javascript:void(0)" onmousedown="moveLeft()"><<</a>
<div id="img">
<ul>
<li><a href="http://#/">网页特效</a></li>
<li><a href="http://#/">七彩影视</a></li>
<li><a href="http://#//">生活常识</a></li>
<li><a href="http://#/">珊珊影视</a></li>
<li><a href="http://#/">链接平台</a></li>
<li><a href="http://#/">月付主机</a></li> <li><a href="http://#/">七彩动漫</a></li> </ul> </div> <a href="javascript:void(0)" onmousedown="moveRight()">>></a> </div> <div style="clear:both;"></div> <div id="scrollBar"> <div id="scroll" style="left:0"></div> </div> <script> function $(obj){return document.getElementById(obj)} var maxWidth=$("img").getElementsByTagName("ul")[0].getElementsByTagName("li").length*105; var isScroll=false; var modiLeft; $("scroll").onmousedown=function(evt){ isScroll=true; evt=(evt)?evt:((window.event)?window.event:null); if(evt.offsetX){ modiLeft=parseInt(evt.offsetX) } else{modiLeft=parseInt(evt.layerX)} } document.onmouseup=function(){ isScroll=false; } document.onmousemove=function(evt){ evt=(evt)?evt:((window.event)?window.event:null); if(evt&&isScroll){ $("scroll").style.left=parseInt(evt.clientX)-parseInt($("scrollBar").offsetLeft)-modiLeft+"px"; if(parseInt($("scroll").style.left)<0){$("scroll").style.left=0+"px"} if(parseInt($("scroll").style.left)>570){$("scroll").style.left=570+"px"} $("img").scrollLeft=parseInt($("scroll").style.left)*((maxWidth-600)/570);  } } var targetx = 200;//一次滚动距离 var dx; var a=null; function moveLeft(){ var le=parseInt($("img").scrollLeft); if(le>200){ targetx=parseInt($("img").scrollLeft)-200; } else{targetx=parseInt($("img").scrollLeft)-le-1} scLeft(); } function scLeft(){ dx=parseInt($("img").scrollLeft)-targetx; $("img").scrollLeft-=dx*.3; $("scroll").style.left=parseInt($("img").scrollLeft)*(570/(maxWidth-600))+"px"; if(parseInt($("scroll").style.left)<0){$("scroll").style.left=0+"px"} if(parseInt($("scroll").style.left)>570){$("scroll").style.left=570+"px"} clearScroll=setTimeout(scLeft,50); if(dx*.3<1){clearTimeout(clearScroll)} } function moveRight(){ var le=parseInt($("img").scrollLeft)+200; var maxL=maxWidth-600; if(le<maxL){ targetx=parseInt($("img").scrollLeft)+200; } else{targetx=maxL} scRight(); } function scRight(){ dx=targetx-parseInt($("img").scrollLeft); $("img").scrollLeft+=dx*.3; $("scroll").style.left=parseInt($("img").scrollLeft)*(573/(maxWidth-600))+"px"; if(parseInt($("scroll").style.left)<0){$("scroll").style.left=0+"px"} if(parseInt($("scroll").style.left)>=570){$("scroll").style.left=570+"px"} a=setTimeout(scRight,50); if(dx*.3<1){clearTimeout(a)} } </script> </body> </html>
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