网页特效代码，又一种简单的网站新闻频道图片切换特效

<STYLE type=text/css> /* 数字按钮框样式 */ #imgTitle {FILTER:ALPHA(opacity=70);position:relative;left:0px;text-align:left;overflow: hidden;} #imgTitle_up {left:0px;text-align: left; height:1px; width:inherit; } #imgTitle_down {left:0px;text-align: right; width:inherit; } /* 图片框样式 */ .imgClass {border: 0px solid #000;} /* 图片文字框样式 */ #txtFrom {text-align: center;vertical-align: middle; color:#333333} /* 数字按钮样式 */ .button {text-decoration: none; float:left; height:12px; line-height:12px; padding-left:7px; padding-right:6px;background: #7B7B63;margin: 0px;font: bold 9px sans-serif; border-left:#fff 1px solid;} a.button, a.button:link, a.button:visited {font-family: sans-serif;text-decoration: none;color:#FFFFFF;background-color: #000000;} a.button:hover {font-family: sans-serif;text-decoration: none;color:#fff;background:#fff; } .buttonDiv {background: #000000;height: 1px;width: 21px;float: left;text-align: center; vertical-align: middle;} /*渐变*/ .trans { width:88px; height:12px; overflow:hidden} </STYLE> <SCRIPT language=JavaScript type=text/javascript> var imgWidth=165; //图片宽 var imgHeight=200; //图片高 var textFromHeight=21; //焦点字框高度 (单位为px) var textStyle="bt_link"; //焦点字class style (不是连接class) var textLinkStyle="FONT"; //焦点字连接class style var buttonLineOn="#ce0609"; //button下划线on的颜色 var buttonLineOff="#000"; //button下划线off的颜色 var TimeOut=5000; //每张图切换时间 (单位毫秒); var imgUrl=new Array(); var imgLink=new Array(); var imgtext=new Array(); var imgAlt=new Array(); var adNum=0; var theTimer=0; var tt=1; //焦点字框高度样式表 开始 document.write('<style type="text/css">'); document.write('#focuseFrom{width:'+(imgWidth+2)+';margin: 0px; padding:0px;height:'+(imgHeight+textFromHeight)+'px; overflow:hidden;}'); document.write('#txtFrom{height:'+textFromHeight+'px;line-height:'+textFromHeight+'px;width:'+imgWidth+'px;overflow:hidden;}'); document.write('#imgTitle{width:'+imgWidth+';top:-'+(textFromHeight+12)+'px;height:18px}'); document.write('</style>'); document.write('<div id="focuseFrom">'); //焦点字框高度样式表 结束 tt=1; imgUrl[tt] ='http://www.knowsky.com/img/200406301.jpg'; imgtext[tt]='&nbsp;07/08羊绒衫设计预测'; imgLink[tt]='http://www.knowsky.com'; imgAlt[tt]='07/08羊绒衫设计预测'; tt=2; imgUrl[tt] ='http://www.knowsky.com/img/200406302.jpg'; imgtext[tt]='&nbsp;羊绒衫的色彩艺术'; imgLink[tt]='http://www.knowsky.com'; imgAlt[tt]='羊绒衫的色彩艺术'; tt=3; imgUrl[tt] ='http://www.knowsky.com/img/200406303.jpg'; imgtext[tt]='&nbsp;羊绒衫的新美学主义'; imgLink[tt]='http://www.knowsky.com'; imgAlt[tt]='羊绒衫的新美学主义'; tt=4; imgUrl[tt] ='http://www.knowsky.com/img/200406304.jpg'; imgtext[tt]='&nbsp;07/08秋冬女装羊绒衫'; imgLink[tt]='http://www.knowsky.com'; imgAlt[tt]='07/08秋冬女装羊绒衫趋势'; var intPage =0; for (var i=1;i<=imgUrl.length;i++) { if (imgUrl[i]!="!!!") { intPage++; } } function changeimg(n) { adNum=n; window.clearInterval(theTimer); adNum=adNum-1; nextAd(); } function goUrl(){ window.open(imgLink[adNum],'_blank'); } //NetScape开始 if (navigator.appName == "Netscape") { document.write('<style type="text/css">'); document.write('.buttonDiv{height:4px;width:21px;}'); document.write('</style>'); function nextAd(){ if(adNum<(intPage-1))adNum++; else adNum=1; theTimer=setTimeout("nextAd()", TimeOut); document.images.imgInit.src=imgUrl[adNum]; document.images.imgInit.alt=imgAlt[adNum]; document.getElementById('focustext').innerHTML=imgtext[adNum]; document.getElementById('link'+adNum).style.background=buttonLineOn; document.getElementById('imgLink').href=imgLink[adNum]; for (var i=1;i<=intPage;i++) { if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;} } } document.write('<a id="imgLink" href="'+imgLink[1]+'" target=_blank class="p1"><img src="imgUrl[1]" name="imgInit" border=1 alt="'+imgAlt[1]+'" class="imgClass"></a><div id="txtFrom"><span id="focustext" class="'+textStyle+'">'+imgtext[1]+'</span></div>') document.write('<div id="imgTitle">'); document.write('<div id="imgTitle_down">'); //数字按钮代码开始 for(var i=1;i<intPage;i++){document.write('<a href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'">'+i+'</a>');} //数字按钮代码结束 document.write('</div>'); document.write('</div>'); document.write('</div>'); nextAd(); } //NetScape结束 //IE开始 else { var count=0; for (i=1;i<intPage;i++) { if( (imgUrl[i]!="") && (imgLink[i]!="")&&(imgtext[i]!="")&&(imgAlt[i]!="") ) { count++; } else { break; } } function playTran(){ if (document.all) document.images.imgInit.filters.BlendTrans.play(); } var key=0; function nextAd(){ if(adNum<count)adNum++ ; else adNum=1; if( key==0 ){ key=1; } else if (document.all){ //imgInit.filters.revealTrans.Transition=6; document.images.imgInit.filters.BlendTrans.apply(); playTran(); } document.images.imgInit.src= imgUrl[adNum]; document.images.imgInit.alt=imgAlt[adNum]; document.getElementById('link'+adNum).style.background=buttonLineOn; for (var i=1;i<=count;i++) { if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;} } focustext.innerHTML=imgtext[adNum]; //links_ie_font.links=imglink[adNum]; theTimer=setTimeout("nextAd()", TimeOut); } document.write('<a target=_self href="javascript:goUrl()"><img style="FILTER: BlendTrans ( duration=1 );" src="javascript:nextAd()" border=0 vspace="0" name=imgInit class="imgClass"></a>'); document.write('<div id="txtFrom"><a target=_self href="javascript:goUrl()"><span id="focustext" class="'+textStyle+'"></span></a></div>'); document.write('<div id="imgTitle">'); document.write(' <div id="imgTitle_down"> <a class="trans"" style="float:left"><img src="http://www.knowsky.com/upfiles/20070726/20070726203802_3.gif" border=0></a>'); //数字按钮代码开始 for(var i=1;i<intPage;i++){document.write('<a id="link'+i+'" href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'" onFocus="this.blur()">'+i+'</a>');} //数字按钮代码结束 document.write('</div>'); document.write('</div>'); document.write('</div>'); changeimg(1); } //IE结束 </SCRIPT>