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文字大小动态变化

作者:佚名来源:不详发布时间:2008-5-24 10:17:32

<SCRIPT language=JavaScript><!-- Beginvar speed = 20;var cycledelay = 1000;var maxsize = 48;var x = 0;var y = 0;var themessage, size;var esize = "";function initArray() {this.length = initArray.arguments.length;for (var i = 0; i < this.length; i++) {this[i] = initArray.arguments[i];   }}var themessage2 = new initArray("欢迎光临","网页特效","特效预览","代码拷贝");if(navigator.appName == "Netscape")document.write('<layer id="wds"></layer><br>');if (navigator.appVersion.indexOf("MSIE") != -1)document.write('<span id="wds"></span><br>');function upwords(){themessage = themessage2[y];if (x < maxsize) {x++;setTimeout("upwords()",speed);}else setTimeout("downwords()",cycledelay);if(navigator.appName == "Netscape") {size = "<font point-size='"+x+"pt'>";document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);document.wds.document.close();}if (navigator.appVersion.indexOf("MSIE") != -1){wds.innerHTML = "<center>"+themessage+"</center>";wds.style.fontSize=x+'px'   }}function downwords(){if (x > 1) {x--;setTimeout("downwords()",speed);}else {setTimeout("upwords()",cycledelay);y++;if (y > themessage2.length - 1) y = 0;}if(navigator.appName == "Netscape") {size = "<font point-size='"+x+"pt'>";document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);document.wds.document.close();}if (navigator.appVersion.indexOf("MSIE") != -1){wds.innerHTML = "<center>"+themessage+"</center>";wds.style.fontSize=x+'px'   }}setTimeout("upwords()",speed);//  End --></SCRIPT>

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