//新首页焦点图片轮换——2009.11.12增加focus_变h2_
function addBtn1() {
	if(!$('h2_turn')||!$('h2_pic')||!$('h2_tx')) return;
	var focusList = $('h2_pic').getElementsByTagName('li');
	if(!focusList||focusList.length==0) return;
	var btnBox = document.createElement('div');
	btnBox.setAttribute('id','h2_btn');
	var SpanBox ='';
	for(var p=1; p<=focusList.length; p++ ) {
		var spanList = '<span class="normal">'+p+'</span>';
		SpanBox += spanList;
	}
	btnBox.innerHTML = SpanBox;
	$('h2_turn').appendChild(btnBox);
	$('h2_btn').getElementsByTagName('span')[0].className = 'current';
}

function classNormal1(){
	var focusList = $('h2_pic').getElementsByTagName('li');
	var btnList = $('h2_btn').getElementsByTagName('span');
	var txList = $('h2_tx').getElementsByTagName('li');
	for(var p=0; p<focusList.length; p++) {
		focusList[p].className='normal';
		btnList[p].className='normal';
		txList[p].className='normal';
	}
}

function classCurrent1(n){
	var focusList = $('h2_pic').getElementsByTagName('li');
	var btnList = $('h2_btn').getElementsByTagName('span');
	var txList = $('h2_tx').getElementsByTagName('li');
	focusList[n].className='current';
	btnList[n].className='current';
	txList[n].className='current';
}

var autoKey = false;
function btnTurn1() {
	if(!$('h2_turn')||!$('h2_pic')||!$('h2_tx') || !$('h2_btn')) return;
	$('h2_turn').onmouseover = function(){autoKey = true};
	$('h2_turn').onmouseout = function(){autoKey = false};	
	var focusList = $('h2_pic').getElementsByTagName('li');
	var btnList = $('h2_btn').getElementsByTagName('span');
	var txList = $('h2_tx').getElementsByTagName('li');
	for (var m=0; m<btnList.length; m++){
		btnList[m].onmouseover = function() {
			classNormal1();
			this.className='current';
			var n=this.childNodes[0].nodeValue-1;
			focusList[n].className='current';
			txList[n].className='current';
		}
	}
}

addLoadEvent(addBtn1);
addLoadEvent(btnTurn1);
addLoadEvent(setautoturn1);

function setautoturn1() {
	setInterval('autoTurn1()', 5000);
}

function autoTurn1() {
	if(!$('h2_turn')||!$('h2_pic')||!$('h2_tx')) return;
	if (autoKey) return;
	var focusList = $('h2_pic').getElementsByTagName('li');
	var btnList = $('h2_btn').getElementsByTagName('span');
	var txList = $('h2_tx').getElementsByTagName('li');
	for(var p=0; p<focusList.length; p++) {
		if (focusList[p].className == 'current') {
			var currentNum = p;
		}
	}
	if (currentNum==focusList.length-1 ){
		classNormal1();
		classCurrent1(0);
	} else {
		classNormal1();
		classCurrent1(currentNum+1);
	}

}