var natvig =
{
	// These are parameters that can be adjusted
	initialDelay: 500, // 4000 Milliseconds to wait before starting animation
	restartDelay: 500, // 4000 Milliseconds pause between repetitions
	numLoops: 20,        // was 3 How many times to loop through the headlines
	frameLength: 50,    // Milliseconds per frame
	pixelsPerFrame: 3,  // was 2 How much to scroll up each frame.
	pauseLength: 1000,  // 4000 Milliseconds to pause between individual headlines
	
	//headlineFile:"http://www.flpan.org/js/natvigtext.js",
	headlineFile:"http://www.flpan.org/js/natvigtext.js",
	defaultText:'<a href="http://www.flpan.org/" target=_blank></a>',
	
	textStyle:'font-family: Helvetica,Arial,sans-serif;font-size: 12px;color: Navy;vertical-align: middle;text-align: center;overflow: hidden;width: 344px;height: 62px;line-height:12px;',
	
	repetitions:0,
	pageText:"",
	viewport:null,
	page:null,
	viewportHeight:0,
	pageHeight:0,
	curpos:0,
	headlines:null,
	checked:false,
	headlineNumber:0,
	paused:false,
	timeoutid:null,
	nocache:"?"+Math.floor((new Date()).getTime()/900000),
	checkCapabilities:function()
	{
		if(!document.getElementById)return false;
		var m=document.getElementById('NVViewport');
		if(m==null||m["offsetHeight"]==null||m["offsetTop"]==null||m["style"]==null||m["innerHTML"]==null||m["getElementsByTagName"]==null||window["setTimeout"]==null)return false;return true;
	},
	headlines:function()
	{
		this.pageText="";
		for(var i=2; i<arguments.length;i++)
		{
			this.pageText+="<div style='padding: 4px 3px 4px 3px;'>"+arguments[i]+"</div>";
		}
		setTimeout("natvig.animate()",this.initialDelay);
	},
	restart:function()
	{
		setTimeout("natvig.animate()",this.restartDelay);
	},
	animate:function()
	{
		if(!this.checked)
		{
			if(!this.checkCapabilities())return;
			this.checked=true;
			this.viewport=document.getElementById('NVViewport');
			this.page=document.getElementById('NVPage');
			this.viewportHeight=this.viewport.offsetHeight;
			this.page.style.position="relative";
		}
		this.curpos=this.viewportHeight;
		this.page.style.top=this.curpos+"px";
		this.page.innerHTML=this.pageText;
		this.pageHeight=this.page.offsetHeight;
		this.headlines=this.page.getElementsByTagName("DIV");
		this.headlineHeights=new Array(this.headlines.length);
		this.headlinePositions=new Array(this.headlines.length);
		for(var i=0; i < this.headlines.length; i++)
		{
			this.headlineHeights[i]=this.headlines[i].offsetHeight;
			this.headlinePositions[i]=this.headlines[i].offsetTop;
		}
		this.headlineNumber=0;
		this.targetPos=-this.headlinePositions[0]+(this.viewportHeight-this.headlineHeights[0])/2;
		natvig.nextFrame();
	},
	nextFrame:function()
	{
		if(this.paused)return;
		this.curpos-=this.pixelsPerFrame;
		if(this.curpos<this.targetPos)this.curpos=this.targetPos;
		this.page.style.top=this.curpos+"px";
		if(this.curpos>this.targetPos)
		{
			this.timeoutid=setTimeout("natvig.nextFrame()",this.frameLength);
		}
		else
		{
			this.headlineNumber++;
			if(this.headlineNumber<this.headlines.length)
			{
				this.targetPos=-this.headlinePositions[this.headlineNumber]+(this.viewportHeight-this.headlineHeights[this.headlineNumber])/2;
				this.timeoutid=setTimeout("natvig.nextFrame()",this.pauseLength);
				return;
			}
			else if(this.headlineNumber==this.headlines.length)
			{
				this.targetPos=-this.pageHeight;this.timeoutid=setTimeout("natvig.nextFrame()",this.pauseLength);
				return;
			}
			else
			{
				this.repetitions++;
				this.page.innerHTML=this.defaultText;
				this.page.style.top="0px";
				if(this.repetitions<this.numLoops)this.restart();
				return;
			}
		}
	},
	pause:function()
	{
		if(this.timeoutid!=null)
		{
			this.paused=true;
			clearTimeout(this.timeoutid);
			this.timeoutid=null;
		}
	},
	resume:function()
	{
		if(this.paused)
		{
			this.paused=false;
			this.nextFrame();
		}
	}
}
document.write('<table width="344" border="2" color="navy">');
document.write('<tr>');
document.write('<td width="344" height="62">');
document.write('<div id="NVViewport" align="center" onmouseover="natvig.pause()" onmouseout="natvig.resume()" style="'+natvig.textStyle+'">');
document.write('<div id="NVPage" style="width:344px; height:62px; color="navy">');
document.write(natvig.defaultText);
document.write('</td>');
document.write('</tr>');
document.write('</table>');
if(natvig.numLoops > 0 && (navigator.appName!="Netscape"||parseInt(navigator.appVersion)>4)&&!(navigator.userAgent.indexOf("Mac")>0&&navigator.userAgent.indexOf("MSIE 5")>0))
	document.write('<script src="'+natvig.headlineFile+natvig.nocache+'"></'+'script>');