andom()*(width-offWidth));
iTop=Math.round(Math.random()*(height-offHeight));
objDiv.style.pixelLeft=iLeft;
objDiv.style.pixelTop=iTop;
//定时开始
//startTimer();
}
//主函数，漂浮游动显示广告
this.floatScroll=function(){
var iRnd;
iRnd=Math.round(Math.random()*100); //此值是为了能使多图显示时产生不同的轨迹
if(objDiv==null)return;
objDiv.style.pixelLeft = iLeft + document.body.scrollLeft;
objDiv.style.pixelTop = iTop + document.body.scrollTop;
if(iRnd>98){leftFlag=!leftFlag;}
iRnd=Math.round(Math.random()*100);
if(iRnd>99){topFlag=!topFlag;}
if(leftFlag){
iLeft=iLeft+leftStep*Math.random();
}else{
iLeft=iLeft-leftStep*Math.random();
}
if(topFlag){
iTop=iTop+topStep*Math.random();
}else{
iTop=iTop-topStep*Math.random();
}
if(iLeft<0){
iLeft=0;
leftFlag=true;
}
else if(iLeft>width-offWidth){
iLeft=width-offWidth;
leftFlag=false;
}
if(iTop<0){
iTop=0;
topFlag=true;
}
else if(iTop>height-offHeight){
iTop=height-offHeight;
topFlag=false;
}
}
//定时移动广告的图片
function startTimer(){
if(objName=="")return;
//alert(objName+".floatScroll();");
//inter=setInterval(objName+".floatScroll()",delay);
}
//显示图片的HTML代码
function showImageHtml(adImgSrc,adHref,adTitle){
var sWidth,sHeight;
if(imageWidth<5){
sWidth="";
}else{
sWidth=" width=''''"+imageWidth+"''''";
}
if(imageHeight<5){
sHeight="";
}else{
sHeight=" height=''''"+imageHeight+"''''";
}
document.write("<div id=''''img"+divID+"'''' style=''''position:absolute;''''>");
document.write("<a href=''''"+adHref+"'''' target=''''_blank'''' title=''''"+adTitle+"''''>");
document.write("<img src=''''"+adImgSrc+"'''' border=''''0''''"+sWidth+sHeight+">");
document.write("</a></div>");
}
//显示Flash文件的HTML代码
function showFlashHtml(adImgSrc,adHref,adTitle){
var sWidth,sHeight;
if(imageWidth<5){
sWidth=" width=''''80''''";
}else{
sWidth=" width=''''"+imageWidth+"''''";
}
if(imageHeight<5){
sHeight=" height=''''80''''";
}else{
sHeight=" height=''''"+imageHeight+"''''";
}
document.write("<div id=''''img"+divID+"'''' style=''''position:absolute;''''>");
document.write("<a href=''''"+adHref+"'''' target=''''_blank'''' title=''''"+adTitle+"''''>");
document.write("<object codebase=''''http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0''''"+sWidth+sHeight+" align=''''middle''''>");
document.write("<param name=''''movie'''' value=''''"+adImgSrc+"''''>");
document.write("<param name=''''quality'''' value=''''high''''>");
document.write("<embed src=''''"+adImgSrc+"''''"+sWidth+sHeight+" quality=''''high'''' pluginspage=''''http://www.macromedia.com/go/getflashplayer'''' type=''''application/x-shockwave-flash''''></embed></object>");
document.write("</a></div>");
}
}
示例代码（包括两种脚本的使用）：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> 漂浮广告显示脚本类演示 </TITLE>
</HEAD>
<BODY>
<!--VBS脚本版的广告显示类示例程序-->
<SCRIPT LANGUAGE="vbscript" src="Advervbs.vbs"></SCRIPT>
<SCRIPT LANGUAGE="vbscript">
Dim Adver,Adver1
Set Adver=New AdverClass
Adver.ObjName="Adver"
Adver.DivID=20
Adver.PrintHtml "img.gif","http://www.chinese.bj.cn/","这是什么"
Set Adver1=New AdverClass
Adver1.ObjName="Adver1"
Adver1.ImgType=1
Adver1.ImageWidth=299
Adver1.ImageHeight=87
Adver1.PrintHtml "http://edu.qq.com/flash/moto-button.swf","http://www.chinese.bj.cn/","这是什么"
</SCRIPT>
<!--JS脚本版的广告显示类示例程序-->
<SCRIPT LANGUAGE="JavaScript" src="AdverClass.js"></SCRIPT>
<SCRIPT LANGUAGE="JavaScript">
var adver=new adverClass();
adver.setObjName("adver");
adver.setDivID(1);
adver.setImageType(1);
adver.setImagePX(299,87);
adver.showAdver("http://edu.qq.com/flash/moto-button.swf","http://www.chinese.bj.cn/","这是什么");
var adver1=new adverClass();
adver1.showAdver("img.gif","http://www.chinese.bj.cn/","这是什么");
setTimer();
function setTimer(){
adver.floatScroll();
adver1.floatScroll();
setTimeout("setTimer()",80);
}
</SCRIPT>
</BODY>
</HTML>
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