var t = n = count = 0;
$(function(){
	count = $("#play_list a").size();
	$("#play_list a:not(:first-child)").hide();
	$("#play_info").html($("#play_list a:first-child").find("img").attr('alt'));
	$("#play_text li:first-child").css({"background":"#00bfff",'color':'#FFFFFF','font-weight':'bold'});
	$("#play_info").click(function(){window.open($("#play_list a:first-child").attr('href'), "_blank")});
	$("#play_text li").click(function() {
		var i = $(this).text() - 1;
		n = i;
		if (i >= count) return;
		$("#play_info").html($("#play_list a").eq(i).find("img").attr('alt'));
		$("#play_info").unbind().click(function(){window.open($("#play_list a").eq(i).attr('href'), "_blank")})
		$("#play_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
		$(this).css({"background":"#00bfff",'color':'#FFFFFF','font-weight':'bold'}).siblings().css({"background":"#000",'color':'#FFFFFF','font-weight':'bold'});
	});
	t = setInterval("showAuto()", 2000);
	$("#play").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 2000);});
})

function showAuto()
{
	n = n >= (count - 1) ? 0 : n + 1;
	$("#play_text li").eq(n).trigger('click');
}

/*
function $(id) { return document.getElementById(id); }

function $(objName) {
if (document.getElementById) {
return eval('document.getElementById("' + objName + '")')
}
else {
return eval("document.all." + objName)
}
*/
function getE(objName)
{
	if (document.getElementById)
	{
		return eval('document.getElementById("' + objName + '")');
	}
	else
	{
		return eval("document.all." + objName)
	}
}

function addLoadEvent(func){
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function(){
			oldonload();
			func();
		}
	}
}

function moveElement(elementID,final_x,final_y,interval) {
  if (!document.getElementById) return false;
  if (!document.getElementById(elementID)) return false;
  var elem = document.getElementById(elementID);
  if (elem.movement) {
    clearTimeout(elem.movement);
  }
  if (!elem.style.left) {
    elem.style.left = "0px";
  }
  if (!elem.style.top) {
    elem.style.top = "0px";
  }
  var xpos = parseInt(elem.style.left);
  var ypos = parseInt(elem.style.top);
  if (xpos == final_x && ypos == final_y) {
		return true;
  }
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/10);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/10);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/10);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/10);
    ypos = ypos - dist;
  }
  elem.style.left = xpos + "px";
  elem.style.top = ypos + "px";
  var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
  elem.movement = setTimeout(repeat,interval);
}

function classNormal(iFocusBtnID,iFocusTxID){
	var iFocusBtns= getE(iFocusBtnID).getElementsByTagName('li');
	var iFocusTxs = getE(iFocusTxID).getElementsByTagName('li');
	for(var i=0; i<iFocusBtns.length; i++) {
		iFocusBtns[i].className='normal';
		iFocusTxs[i].className='normal';
	}
}

function classCurrent(iFocusBtnID,iFocusTxID,n){
	var iFocusBtns= getE(iFocusBtnID).getElementsByTagName('li');
	var iFocusTxs = getE(iFocusTxID).getElementsByTagName('li');
	iFocusBtns[n].className='current';
	iFocusTxs[n].className='current';
}

function iFocusChange() {
	if(!getE('ifocus')) return false;
	getE('ifocus').onmouseover = function(){atuokey = true};
	getE('ifocus').onmouseout = function(){atuokey = false};
	var iFocusBtns = getE('ifocus_btn').getElementsByTagName('li');
	var listLength = iFocusBtns.length;
	iFocusBtns[0].onmouseover = function() {
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',0);
	}
	if (listLength>=2) {
		iFocusBtns[1].onmouseover = function() {
			moveElement('ifocus_piclist',0,-225,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',1);
		}
	}
	if (listLength>=3) {
		iFocusBtns[2].onmouseover = function() {
			moveElement('ifocus_piclist',0,-450,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',2);
		}
	}
	if (listLength>=4) {
		iFocusBtns[3].onmouseover = function() {
			moveElement('ifocus_piclist',0,-675,5);
			classNormal('ifocus_btn','ifocus_tx');
			classCurrent('ifocus_btn','ifocus_tx',3);
		}
	}
}

setInterval('autoiFocus()',5000);
var atuokey = false;
function autoiFocus() {
	if(!getE('ifocus')) return false;
	if(atuokey) return false;
	var focusBtnList = getE('ifocus_btn').getElementsByTagName('li');
	var listLength = focusBtnList.length;
	for(var i=0; i<listLength; i++) {
		if (focusBtnList[i].className == 'current') var currentNum = i;
	}
	if (currentNum==0&&listLength!=1 ){
		moveElement('ifocus_piclist',0,-225,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',1);
	}
	if (currentNum==1&&listLength!=2 ){
		moveElement('ifocus_piclist',0,-450,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',2);
	}
	if (currentNum==2&&listLength!=3 ){
		moveElement('ifocus_piclist',0,-675,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',3);
	}
	if (currentNum==3 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',0);
	}
	if (currentNum==1&&listLength==2 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',0);
	}
	if (currentNum==2&&listLength==3 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_tx');
		classCurrent('ifocus_btn','ifocus_tx',0);
	}
}
addLoadEvent(iFocusChange);