[Javascript] 右边贴底浮动广告代码模板

这个广告也是比较典型的一个浮动广告，因为如果能找准右下角的位置，那么页面上任何一个位置你也都能找到了。

而这里我自己比较喜欢的是那个 magic_locus 函数，

它能使得你的动作步伐更加优美，通过一个很简单的公式就能达到在页面上凌波微步的效果，

而不是像某些网站那样很生硬地移动。

不多说了，直接看代码──

/***7 *右边贴底浮动广告代码-RBM (Right Bottom Move) *Created by Moky @ 2006/12/14; */RBM_sImageName= "$imagename$";RBM_sClickUrl= "$clickurl$";RBM_sImageUrl= "$imageurl$";RBM_iImageWidth= parseInt("$width$");if (isNaN(RBM_iImageWidth)) RBM_iImageWidth = 80;RBM_iImageHeight= parseInt("$height$");if (isNaN(RBM_iImageHeight)) RBM_iImageHeight = 80;RBM_iRight = 10;RBM_iBottom = 10;RBM_iMinTop = 335;/* avoid conflicts with double images */RBM_iTimeout = 50;/*---- common codes begin ----*/var __bs__ = navigator.userAgent.indexOf("MSIE") > 0 ?"MSIE" : navigator.userAgent.indexOf("Safari") > 0 ?"Safari" : "others";var __dt__ = (document.documentElement.clientHeight > 0) &&(__bs__ == "MSIE" || document.body.clientHeight > document.documentElement.clientHeight) ?"W3C" : "undefined";function MK_pageY() {if (__bs__ == "MSIE") {if (__dt__ == "W3C")return document.documentElement.scrollTop;elsereturn document.body.scrollTop;} else {return window.pageYOffset;}}function MK_pageX() {if (__bs__ == "MSIE") {if (__dt__ == "W3C")return document.documentElement.scrollLeft;elsereturn document.body.scrollLeft;} else {return window.pageXOffset;}}function MK_pageH() {if (__bs__ == "Safari")return window.innerHeight;else if (__dt__ == "W3C")return document.documentElement.clientHeight;elsereturn document.body.clientHeight;}function MK_pageW() {if (__bs__ == "Safari")return window.innerWidth;else if (__dt__ == "W3C")return document.documentElement.clientWidth;elsereturn document.body.clientWidth;}function MK_posY(o, v) {if (!o || !o.style) return ;if (v) {o.style.top = parseInt(v) + "px";} else {return o.style.top;}}function MK_posX(o, v) {if (!o || !o.style) return ;if (v) {o.style.left = parseInt(v) + "px";} else {return o.style.left;}}function MK_makeAdFodderHTML(sImageUrl, sImageName, iWidth, iHeight) {var _src = sImageUrl == "" ? sImageName : sImageUrl;return (!_src.match(//.swf$/gi)? '<img src="$src$" mce_src="$src$" height="$height$" width="$width$" border="0" />' :'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' +' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0"' +' height="$height$" width="$width$">/n' +'<param name="movie" value="$src$" />/n' +'<param name="quality" value="high" />/n' +'<param name="wmode" value="opaque" />/n' +'<embed height="$height$" width="$width$"' +' src="$src$" mce_src="$src$" quality="high" wmode="opaque"' +' type="application/x-shockwave-flash" pluginspace="http://www.macromedia.com/go/getflashplayer">' +'</embed>' +'</object>').replace(//$src/$/gi, _src).replace(//$height/$/gi, iHeight).replace(//$width/$/gi, iWidth);}function atoi(s) {var r = parseInt(s);return isNaN(r) ? 0 : r;}function magic_locus(x1, x2, n) {x1 = atoi(x1);x2 = atoi(x2);n = atoi(n);var d = Math.abs(x1 - x2);if (d < n) return magic_locus(x1, x2, d / 2);return n <= 1 ? x1 : (x1 + (n-1) * x2) / n ;}/*---- common codes end ----*/function RBM_Load() {var style_class ;/*try {if (__bs__ == "MSIE")document.styleSheets[0].addRule('.div_floating_ad', 'position:absolute');elsedocument.styleSheets[0].insertRule('.div_floating_ad {position:absolute}', document.styleSheets[0].cssRules.length);style_class = 'class="div_floating_ad"';} catch(e) {*/style_class = 'style="position: absolute; "';/*}*/var _temp = '<div id="RBM_Div" ' + style_class + '>' +'<a href="$js_ad_click$" mce_href="$js_ad_click$" target="_blank">$js_ad_content$</a>' +'</div>';var _con = MK_makeAdFodderHTML(RBM_sImageUrl, RBM_sImageName, RBM_iImageWidth, RBM_iImageHeight);var _str = _temp.replace(//$js_ad_click/$/gi, RBM_sClickUrl).replace(//$js_ad_content/$/gi, _con);document.writeln(_str);setInterval("RBM_Move();", RBM_iTimeout);}function RBM_Move() {try {var _div = document.getElementById('RBM_Div');var _left = MK_pageX() + MK_pageW() - RBM_iRight - RBM_iImageWidth;var _top = MK_pageY() + MK_pageH() - RBM_iBottom - RBM_iImageHeight;/*-- magic locus begin, add by moky @ 2006/12/29 --*/_top = magic_locus(_top, MK_posY(_div), 4);var max_y = MK_pageY() + MK_pageH();if (_top > max_y) _top = max_y;/*-- magic locus end, add by moky @ 2006/12/29 --*/if (_top < RBM_iMinTop) _top = RBM_iMinTop;MK_posY(_div, _top);MK_posX(_div, _left);} catch(e) {}}/* start */RBM_Load();