function addLoadEvent1(func){
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function(){
			oldonload();
			func();
		}
	}
}
function addBtn1() {
	if(!$('focus_turn1')||!$('focus_pic1')||!$('focus_tx1')) return;
	var focusList = $('focus_pic1').getElementsByTagName('li');
	if(!focusList||focusList.length==0) return;
	var btnBox = document.createElement('div');
	btnBox.setAttribute('id','focus_btn1');
	var SpanBox ='';
	for(var i=1; i<=focusList.length; i++ ) {
		var spanList = '<span class="normal">'+i+'</span>';
		SpanBox += spanList;
	}
	btnBox.innerHTML = SpanBox;
	$('focus_turn1').appendChild(btnBox);
	$('focus_btn1').getElementsByTagName('span')[0].className = 'current';	
}

function classNormal1(){
	var focusList = $('focus_pic1').getElementsByTagName('li');
	var btnList = $('focus_btn1').getElementsByTagName('span');
	var txList = $('focus_tx1').getElementsByTagName('li');
	for(var i=0; i<focusList.length; i++) {
		focusList[i].className='normal';
		btnList[i].className='normal';
		txList[i].className='normal';
	}
}

function classCurrent1(n){
	var focusList = $('focus_pic1').getElementsByTagName('li');
	var btnList = $('focus_btn1').getElementsByTagName('span');
	var txList = $('focus_tx1').getElementsByTagName('li');
	focusList[n].className='current';
	btnList[n].className='current';
	txList[n].className='current';
}

var autoKey = false;
function btnTurn1() {
	if(!$('focus_turn1')||!$('focus_pic1')||!$('focus_tx1') || !$('focus_btn1')) return;
	$('focus_turn1').onmouseover = function(){autoKey = true};
	$('focus_turn1').onmouseout = function(){autoKey = false};	
	var focusList = $('focus_pic1').getElementsByTagName('li');
	var btnList = $('focus_btn1').getElementsByTagName('span');
	var txList = $('focus_tx1').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';
		}
	}
	
}
addLoadEvent1(addBtn1);
addLoadEvent1(btnTurn1);
addLoadEvent1(setautoturn1);

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

function autoTurn1() {
	if(!$('focus_turn1')||!$('focus_pic1')||!$('focus_tx1')) return;
	if (autoKey) return;
	var focusList = $('focus_pic1').getElementsByTagName('li');
	var btnList = $('focus_btn1').getElementsByTagName('span');
	var txList = $('focus_tx1').getElementsByTagName('li');
	for(var i=0; i<focusList.length; i++) {
		if (focusList[i].className == 'current') {
			var currentNum = i;
		}
	}
	if (currentNum==focusList.length-1 ){
		classNormal1();
		classCurrent1(0);
	} else {
		classNormal1();
		classCurrent1(currentNum+1);
	}

}