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名称
左右移动的图片
实例
教程
第一步：拷贝下面的代码到你的html文件的<head>和</head>之间；
<SCRIPT LANGUAGE="JavaScript"> <!--step = 0;obj = new Image();function anim(xp,xk,smer) //smer = direction{ obj.style.left = x; x += step*smer; if (x>=(xk+xp)/2) { if (smer == 1) step--; else step++; } else { if (smer == 1) step++; else step--; } if (x >= xk) { x = xk; smer = -1; } if (x <= xp) { x = xp; smer = 1; }// if (smer > 2) smer = 3; setTimeout('anim('+xp+','+xk+','+smer+')', 50);}function moveLR(objID,movingarea_width,c){ if (navigator.appName=="Netscape") window_width = window.innerWidth; else window_width = document.body.offsetWidth; obj = document.images[objID]; image_width = obj.width; x1 = obj.style.left; x = Number(x1.substring(0,x1.length-2)); // 30px -> 30 if (c == 0) { if (movingarea_width == 0) { right_margin = window_width - image_width; anim(x,right_margin,1); } else { right_margin = x + movingarea_width - image_width; if (movingarea_width < x + image_width) window.alert("No space for moving!"); else anim(x,right_margin,1); } } else { if (movingarea_width == 0) right_margin = window_width - image_width; else { x = Math.round((window_width-movingarea_width)/2); right_margin = Math.round((window_width+movingarea_width)/2)-image_width; } anim(x,right_margin,1); } }//--> </SCRIPT>
第二步：拷贝下面的代码到你的html文件的<body>和</body>之间；
<img src="image1.gif" width=205 height=56 name="picture" style='position: absolute; top: 70px; left: 30px;' BORDER=0> <SCRIPT LANGUAGE="JavaScript"> <!-- setTimeout("moveLR('picture',300,1)",10);//--> </SCRIPT>
说明：可以将image1.gif改为你需要的图片，修改top和left数值调整位置。
