javascript雙向放大縮小廣告代碼

<meta http-equiv="imagetoolbar" content="no"><br /><style type="text/css"> html { overflow: hidden; } body { background: #222; width: 100%; height: 100%; cursor: crosshair; } .spanSlide { position: absolute; background: #000; font-size: 1px; overflow: hidden; } .imgSlide { position: absolute; left: 5%; top: 5%; width: 90%; height: 90%; overflow: hidden; } .txtSlide { position: absolute; top: 5%; left: 50px; width:100%; color:#FFF; font-family: arial, helvetica, verdana, sans-serif; font-weight: bold; font-size:96px; letter-spacing:12px; filter: alpha(opacity=70); -moz-opacity:0.7; opacity:0.7; } </style><p>280px;background:#fff">-size:0.9em">Loading...-240px;overflow:hidden"> <p>