// JavaScript Document
	/************************************************************************************************************
	(C) www.dhtmlgoodies.com, October 2005
	
	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.	
	
	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.
	
	Thank you!
	
	www.dhtmlgoodies.com
	Alf Magne Kalleland
	
	************************************************************************************************************/	

	var tickerSteps = 2;	
	var tickerSpeed = 12;
	var tickerMaxWidth = 700;
	
	var tickerStopOnMouseOver = true;	
	
	/* 以下の変数は変更不可 */
	var tickerObj;
	var tickerTextObj;
	var tickerTmpStep;
	var tickerTextObjects = new Array();
	var tickerHiddenSpans = new Array();
	
	var tickerIndex = 0;
	
	function marqueeMove()
	{
		var leftPos = tickerTextObj.offsetLeft;
		leftPos = leftPos - tickerTmpStep;
		var rightEdge = leftPos + tickerHiddenSpans[tickerIndex].offsetLeft;
		if(rightEdge<0){
			leftPos = document.documentElement.offsetWidth;
			tickerTextObj.style.display='none';
			tickerIndex++;
			if(tickerIndex>=tickerTextObjects.length)tickerIndex = 0;
			tickerTextObj = tickerTextObjects[tickerIndex];
			tickerTextObj.style.display='block';
			tickerTextObj.style.left = tickerMaxWidth + 'px';
		}
		tickerTextObj.style.left = leftPos + 'px';
		
	}
	
	function stopMarqueeMove()
	{
		if(tickerStopOnMouseOver)tickerTmpStep = 0;		
	}
	function resumeMarqueeMove()
	{
		tickerTmpStep = tickerSteps;
	}
	function initTicker()
	{
		tickerObj = document.getElementById('ticker_base');
		
		var spans = tickerObj.getElementsByTagName('P');
		for(var no=0;no<spans.length;no++){
			if(spans[no].className=='headline'){
				if(!tickerTextObj){
					tickerTextObj = spans[no]; 
					spans[no].style.display='block';
				}else spans[no].style.display='none';
				tickerTextObjects.push(spans[no]);
				var hiddenSpan = document.createElement('SPAN');
				hiddenSpan.innerHTML = '&nbsp;';
				spans[no].appendChild(hiddenSpan);
				tickerHiddenSpans.push(hiddenSpan);
				
			}
		}
		
		tickerObj.style.display='block';
		//tickerTextObj.style.left = document.documentElement.offsetWidth + 'px';
		tickerObj.onmouseover = stopMarqueeMove;
		tickerObj.onmouseout = resumeMarqueeMove;		
		tickerTmpStep = tickerSteps;
		tickerTextObj.style.display='block';
		tickerTextObj.style.left = tickerMaxWidth + 'px';
		
		setInterval('marqueeMove()',tickerSpeed);
	}
	//window.onload = initTicker;
	addEvent(window,"load",initTicker);