图片响应鼠标变换
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脚本说明: 第一步:把如下代码加入<body><center><script language=javascript src="../js/shang.js"></script> 区域中 <center> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin var rand1 = 0; var useRand = 0; images = new Array; images[1] = new Image(); images[1].src = "image/114.gif"; images[2] = new Image(); images[2].src = "image/logo.gif"; images[3] = new Image(); images[3].src = "image/114.gif"; images[4] = new Image(); images[4].src = "image/logo.gif"; function swapPic() { var imgnum = images.length - 1; do { var randnum = Math.random(); rand1 = Math.round((imgnum - 1) * randnum) + 1; } while (rand1 == useRand); useRand = rand1; document.randimg.src = images[useRand].src; } // End --> </script> <a onClick="swapPic();"><img name="randimg" src="image1.gif"></a><br> <font face="Verdana" size="-2">click image to change</font> </center> 第二步:把<body><center><script language=javascript src="../js/shang.js"></script> 区域中内容改为: <body bgcolor="#fef4d9" OnLoad="swapPic()">
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