Библиотека Javascript. SE@RCHER

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примерразмер кода

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Фото выплывает снизу и автозаменяется</TITLE>
<META http-equiv=Content-Type content="text/html; charset=windows-1251">
<style type="text/css"><!-- 
#divNewsCont {
	position:absolute; 
	left:100px; 
	top:100px; 
	width:300px; 
	height:400px; 
	clip:rect(0px 300px 400px 0px); 
	visibility:hidden; 
	overflow:hidden;
	}

#divNews {
	position:absolute;
	} 
//--></style>
<script type="text/javascript"><!--

function browsercheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new browsercheck()
//Set variables below: 
//0 = Fade in - Fade out
//1 = Slide in - Fade out
//2 = Random 
nWorks = 1

//Set the slide variables below:
nSlidespeed = 5 //in px
nNewsheight =400 //This is how long down it should start the slide.

nBetweendelay = 1000 //Message Delay.
nFont = 'arial,helvetiva' //Font style.
nFontsize = 12 //Font size.
nFadespeed = 100 //Fade time in milliseconds.

//Set the primary colors. First color should be same as background.
//You can have as many colors you want - 
nColor=new Array('#FFFFFF', '#EEEEEE','#CCCCCC','#999999','#666666','#333333','#000000')

//Set the messages and links below:
//use a # for dead links.
nNews=new Array()
//Copy there three lines and change the info and numbers to get more news.
nNews[0]=new Array()
nNews[0]["text"]="<img src=00001.jpg width=100>"
nNews[0]["link"]="http://jdstiles.com/"

nNews[1]=new Array()
nNews[1]["text"]="<img src=00002.jpg width=100>"
nNews[1]["link"]="http://jdstiles.com/javamain.html"

nNews[2]=new Array()
nNews[2]["text"]="<img src=00003.jpg width=100>"
nNews[2]["link"]="http://jdstiles.com/jdstut.html"

nNews[3]=new Array()
nNews[3]["text"]="<img src=00004.jpg width=100>"
nNews[3]["link"]="#"

/********************************************************************************
Object code...Object constructors and functions...
********************************************************************************/
function makeNewsObj(obj,nest,font,size,color,news,fadespeed,betweendelay,slidespeed,works,newsheight){
    nest=(!nest) ? "":'document.'+nest+'.'
   	this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;	
   	this.writeref=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj+".document"):0;
	if(font){this.color=new Array(); this.color=eval(color); this.news=new Array(); this.news=eval(news)
		this.font=font; this.size=size; this.speed=fadespeed; this.delay=betweendelay; this.newsheight=newsheight;
		this.fadeIn=b_fadeIn;this.fadeOut=b_fadeOut; this.newsWrite=b_newsWrite; this.y=1
		this.slideIn=b_slideIn; this.moveIt=b_moveIt; this.slideSpeed=slidespeed; this.works=works
		if(bw.dom || bw.ie4){this.css.fontFamily=this.font; this.css.fontSize=this.size; this.css.color=this.color[0]}
	}
	this.obj = obj + "Object"; 	eval(this.obj + "=this"); return this
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw.ns4||window.opera?"":"px";

function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x+px; this.css.top=this.y+px;}

function b_newsWrite(num,i){
	if (bw.ns4){
		this.writeref.write("<a href=\""+this.news[num]['link']+"\" target=\"myTarget\" style=\"text-decoration:none; font-size:"+this.size+"px\">"
			+"<font face=\""+this.font+"\" color=\""+this.color[i]+"\">"+this.news[num]['text']+"</font></a>")
		this.writeref.close()
	}else this.writeref.innerHTML = '<a id="'+this.obj+'link' +'" target="myTarget"  style="text-decoration:none; font-size:'+this.size+'px; color:'+this.color[i]+'" href="'+this.news[num]['link']+'">'+this.news[num]['text']+'</a>'
}

//Slide in
function b_slideIn(num,i){
	if (this.y>0){
		if (i==0){this.moveIt(0,this.newsheight); this.newsWrite(num,this.color.length-1)}
		this.moveIt(this.x,this.y-this.slideSpeed)
		i ++
		setTimeout(this.obj+".slideIn("+num+","+i+");",50)
	}else setTimeout(this.obj+".fadeOut("+num+","+(this.color.length-1)+")",this.delay)
}
//The fade functions
function b_fadeIn(num,i){
	if (i<this.color.length){
		if (i==0 || bw.ns4) this.newsWrite(num,i)
		else{
			obj = bw.ie4?eval(this.obj+"link"):document.getElementById(this.obj+"link")
			obj.style.color = this.color[i]
		}
		i ++
		setTimeout(this.obj+".fadeIn("+num+","+i+")",this.speed)
	}else setTimeout(this.obj+".fadeOut("+num+","+(this.color.length-1)+")",this.delay)
}

function b_fadeOut(num,i){
	if (i>=0){
		if (i==0 || bw.ns4) this.newsWrite(num,i)	
		else{
			obj = bw.ie4?eval(this.obj+"link"):document.getElementById(this.obj+"link")
			obj.style.color = this.color[i]
		}
		i --
		setTimeout(this.obj+".fadeOut("+num+","+i+")",this.speed)
	}else{
		num ++
		if(num==this.news.length) num=0
		works = !this.works?0:this.works==1?1:Math.round(Math.random())
		if(works==0) setTimeout(this.obj+".fadeIn("+num+",0)",500)
		else if (works==1){this.y=1; setTimeout(this.obj+".slideIn("+num+",0)",500)
		}
	}
}

/********************************************************************************************
The init function. Calls the object constructor and set some properties and starts the fade
*********************************************************************************************/
function fadeInit(){
	oNews = new makeNewsObj('divNews','divNewsCont',nFont,nFontsize,"nColor","nNews",nFadespeed,nBetweendelay,nSlidespeed,nWorks,nNewsheight)
	oNewsCont = new makeNewsObj('divNewsCont')
	works = !oNews.works?0:oNews.works==1?1:Math.round(Math.random())
	if (works==0) oNews.fadeIn(0,0)
	else if (works==1) oNews.slideIn(0,0)
	oNewsCont.css.visibility = "visible"
}

//Calls the init function on pageload. 
if(bw.bw) onload = fadeInit
//--></script>
</head>
<body>
<div id="divNewsCont">
<div id="divNews">Default text, this is the text that 3.x browsers will see You can have lot's of  here in stead. Or you can use a script to write in text only if it's Netscape 4 (you have to do that so that the layer gets some content or the written in text won't show correct. </div>
</div>

</body>
</html>