javascript漂浮广告制作

<script language="JavaScript" type="text/JavaScript">

file://可设置漂浮图片是否为FLASH以及显示大小

var brOK=false;

var mie=false;

var vmin=2;

var vmax=5;

var vr=1;

var timer1;

var chinazads;

var isflash=0; file://是否为FLASH文件的漂浮 1=是 0=否

var pic="http://www.yj-studio.com/html/link/yj-studio.gif"; file://图片的地址

var alt="支持本站，请点击广告赞助商"; file://鼠标放在图片上时显示的提示文字

var url="http://x163x.go.nease.net"; file://图片链接的地址

var flashurl="/AI/EQIFA.swf"; file://FLASH文件的路径

var Wimg=80; file://图像的宽度

var Himg=80; file://图像的高度

function movechip(chipname)

{

if(brOK)

{

eval("chip="+chipname);

if(!mie)

{

pageX=window.pageXOffset;

pageW=window.innerWidth;

pageY=window.pageYOffset;

pageH=window.innerHeight;

}

else

{

pageX=window.document.body.scrollLeft-100; file://100数值修改，应该图片的大小加上浏览器边框，这样就能折回

pageW=window.document.body.offsetWidth-8;

pageY=window.document.body.scrollTop;

pageH=window.document.body.offsetHeight;

}

chip.xx=chip.xx+chip.vx;

chip.yy=chip.yy+chip.vy;

chip.vx+=vr*(Math.random()-0.5);

chip.vy+=vr*(Math.random()-0.5);

if(chip.vx>(vmax+vmin)) chip.vx=(vmax+vmin)*2-chip.vx;

if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;

if(chip.vy>(vmax+vmin)) chip.vy=(vmax+vmin)*2-chip.vy;

if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;

if(chip.xx<=pageX)

{

chip.xx=pageX;

chip.vx=vmin+vmax*Math.random();

}

if(chip.xx>=pageX+pageW-chip.w)

{

chip.xx=pageX+pageW-chip.w;

chip.vx=-vmin-vmax*Math.random();

}

if(chip.xx>=680)

{

chip.xx=chip.xx-20;

chip.vx=-vmin-vmax*Math.random();

}

if(chip.yy<=pageY)

{

chip.yy=pageY;

chip.vy=vmin+vmax*Math.random();

}

if(chip.yy>=pageY+pageH-chip.h)

{

chip.yy=pageY+pageH-chip.h;

chip.vy=-vmin-vmax*Math.random();

}

if(!mie)

{

eval('document.'+chip.named+'.top ='+chip.yy);

eval('document.'+chip.named+'.left='+chip.xx);

}

else

{

eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);

eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);

}

chip.timer1=setTimeout("movechip('"+chip.named+"')",80);

}

}

function stopme(chipname)

{

if(brOK)

{

eval("chip="+chipname);

if(chip.timer1!=null)

{

clearTimeout(chip.timer1)

}

}

}

function chinazads()

{

if(navigator.appName.indexOf("Internet Explorer")!=-1)

{

if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();mie=true;

}

if(navigator.appName.indexOf("Netscape")!=-1)

{

if(parseInt(navigator.appVersion.substring(0,1))>=4) brOK=navigator.javaEnabled();

}

chinazads.named="chinazads";

chinazads.vx=vmin+vmax*Math.random();

chinazads.vy=vmin+vmax*Math.random();

chinazads.w=1;

chinazads.h=1;

chinazads.xx=0;

chinazads.yy=0;

chinazads.timer1=null;

movechip("chinazads");

}

document.write('<div id="chinazads" style="height:49px;left:178px;position:absolute;top:1237px;width:70px; z-index:1000">');

if (isflash>0)

{

document.write("<EMBED src='" + flashurl + "' quality=high WIDTH='" + Wimg + "' HEIGHT='" + Himg + "' TYPE='application/x-shockwave-flash'></EMBED>");

}

else

{

document.write("<a href='" + url + "' target=_blank onmouseover=stopme('chinazads'); onmouseout=movechip('chinazads');>");

document.write("<img src='" + pic + "' alt='" + alt + "' border=0 width='" + Wimg + "' height='" + Himg + "'></a>");

}

document.write("</div>");

chinazads();

</script>