自编jQuery插件第八个

 对联特效

var	o={
		adLeftSrc : "",
		adRightSrc:"",
		adLeftFlash:"",
		adLeftHref:"",
		adLeftWidth:194,
		adLeftHeight:339,
		adRightFlash:"",
		adRightHref:"",
		adRightWidth:194,
		adRightHeight:339,
		marginTop:85,
		marginLeft:3,
		navUserAgent:navigator.userAgent
}
$.extend({		//关闭对联
			unloadAd:function (){
				$("#adRightFloat,#adLeftFloat").css({visibility:'hidden'});
			},//对联随滚动条下滑
			moveAd:function () {
				this.judgeAd();	setTimeout("$.moveAd();",80);
			},
			judgeAd:function (){
				if (o.navUserAgent.indexOf("Firefox") >= 0 ||o.navUserAgent.indexOf("Opera") >= 0) {
					if (o.adLeftSrc != ""){
						$("#adLeftFloat").css({top:(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) + ((document.body.clientHeight > document.documentElement.clientHeight)?document.documentElement.clientHeight:document.body.clientHeight) - o.adLeftHeight - o.marginTop + 'px'});}
					if (o.adRightSrc != ""){
						$("#adRightFloat").css({top:(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) + ((document.body.clientHeight > document.documentElement.clientHeight)?document.documentElement.clientHeight:document.body.clientHeight) - o.adRightHeight - o.marginTop + 'px',left:((document.body.clientWidth > document.documentElement.clientWidth)?document.body.clientWidth:document.documentElement.clientWidth) - o.adRightWidth - o.marginLeft + 'px'});
					}
				}
				else{
					if (o.adLeftSrc != "") {$("#adLeftFloat").css({top:(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) + (document.documentElement.clientHeight == 0?document.body.clientHeight:document.documentElement.clientHeight) - o.adLeftHeight - o.marginTop + 'px'});}
					if (o.adRightSrc != "") {
						$("#adRightFloat").css({top:(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) + (document.documentElement.clientHeight==0?document.body.clientHeight:document.documentElement.clientHeight) - o.adRightHeight - o.marginTop + 'px',left:(document.documentElement.clientWidth == 0?document.body.clientWidth:document.documentElement.clientWidth-o.adRightWidth-o.marginLeft) + 'px'});
					}
				}
				if(o.adLeftSrc != ""){$("#adLeftFloat").css({left:o.marginLeft + 'px'});}
			},//页面两侧弹出对联
			loadAd : function(options){
				var defaults={
						leftSrc:"",
						rightSrc:"",
						leftFlash:"",
						leftHref:"",
						leftWidth:0,
						leftHeight:0,
						rightFlash:"",
						rightHref:"",
						rightWidth:0,
						rightHeight:0,
						marginTop:0,
						marginLeft:0
					};
              	var opts = $.extend(defaults, options);
						o.adLeftSrc=opts.leftSrc;
						o.adRightSrc=opts.rightSrc;
						o.adLeftFlash=opts.leftFlash;
						o.adLeftHref=opts.leftHref;
						o.adLeftWidth=opts.leftWidth;
						o.adLeftHeight=opts.leftHeight;
						o.adRightFlash=opts.rightFlash;
						o.adRightHref=opts.rightHref;
						o.adRightWidth=opts.rightWidth;
						o.adRightHeight=opts.rightHeight;
						o.marginTop=opts.marginTop;
						o.marginLeft=opts.marginLeft;
				
				if(o.adLeftSrc != ""){
					if (o.adLeftFlash == "flash") {
						document.write("<div id=\"adLeftFloat\" style=\"position: absolute;width:" + o.adLeftWidth + ";\"><a href=\"" +o.adLeftHref +"\"><embed src=\"" + o.adLeftSrc + "\" quality=\"high\"  width=\"" + o.adLeftWidth + "\" height=\"" + o.adLeftHeight + "\" type=\"application/x-shockwave-flash\"></embed></a></div>");
					}
					else{
						document.write("<div id=\"adLeftFloat\" style=\"position: absolute;width:" + o.adLeftWidth + ";\"><a href=\"" + o.adLeftHref +"\"><img src=\"" + o.adLeftSrc + "\"  width=\"" + o.adLeftWidth + "\" height=\"" + o.adLeftHeight + "\"  border=\"0\" \></a><a href=# onclick=\"$.unloadAd(); \">关闭</a></div>");
					}
				}
				if(o.adRightSrc != ""){
					if (o.adRightFlash == "flash") {
						document.write("<div id=\"adRightFloat\" style=\"position: absolute;width:" + o.adRightWidth + ";\"><a href=\"" + o.adRightHref +"\"><embed src=\"" + o.adRightSrc + "\" quality=\"high\"  width=\"" +o.adRightWidth + "\" height=\"" +o.adRightHeight + "\" type=\"application/x-shockwave-flash\"></a></embed></div>");
					}
					else{
						document.write("<div id=\"adRightFloat\" style=\"position: absolute;width:" + o.adRightWidth + ";\"><a href=\"" + o.adRightHref +"\"><img src=\"" + o.adRightSrc + "\"   width=\"" + o.adRightWidth + "\" height=\"" + o.adRightHeight + "\"  border=\"0\"  \></a><a href=# onclick=\"$.unloadAd(); \">关闭</a></div>");
					}
				}
				this.moveAd();
			}
});

 

对联Js代码调用如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script language="JavaScript" type="text/javascript" src="jquery-1.6.js"></script>
<script language="JavaScript" type="text/javascript" src="jQPI_008.js"></script>
</head>

<body>
<div style="height:2000px; width:100%; background-color:#999999"></div>
<script>
$.loadAd({						
		leftWidth:194,
		leftHeight:339,
		rightWidth:194,
		rightHeight:339,
		marginTop:85,
		marginLeft:3,
		leftSrc:"y2.jpg",
		rightSrc:"y1.jpg"
});
</script>
</body>
</html>