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

var lastScrollY=0;

function addLoadEvent(func){
	var oldonload = window.onload; 
         window.onscroll=openLeftDiv;
	if (typeof window.onload != 'function') {
		window.onload = func;
                   
	} else {
		window.onload = function(){
			oldonload();
                       	func();
		}
	}
        openLeftDiv();//问卷调查
}

//问卷调查
function openLeftDiv(){
var diffY;
var percent;		
		
		if (document.documentElement && document.documentElement.scrollTop)
diffY = document.documentElement.scrollTop;
		else if (document.body)
		diffY = document.body.scrollTop;
		percent=.1*(diffY-lastScrollY); 
if(percent>0)percent=Math.ceil(percent); 
else percent=Math.floor(percent); 
		
		
			var floatdiv=document.getElementById("floatdiv");
			floatdiv.style.top=parseInt(floatdiv.style.top)+percent+"px";
			alert(floatdiv.style.top);
			var floatdivr=document.getElementById("floatdivr");
			floatdivr.style.top=parseInt(floatdivr.style.top)+percent+"px";
			
			lastScrollY=lastScrollY+percent; 
		
}
//关闭问卷调查
function closediv(){
		document.getElementById("floatdiv").style.display="none";
		
		}
		function closedivr(){
		
		document.getElementById("floatdivr").style.display="none";
		}
//弹出公告
/*
function openWindow(){
window.open('http://www.lsaic.gov.cn/gonggao.HTM','popup','width=800,scrollbars=yes,height=600,top=0,left=0');

}
*/
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= $(iFocusBtnID).getElementsByTagName('li');
	var iFocusTxs = $(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= $(iFocusBtnID).getElementsByTagName('li');
	var iFocusTxs = $(iFocusTxID).getElementsByTagName('li');
	iFocusBtns[n].className='current';
	iFocusTxs[n].className='current';
}

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

setInterval('autoiFocus()',5000);
var atuokey = false;
function autoiFocus() {
	if(!$('ifocus')) return false;
	if(atuokey) return false;
	var focusBtnList = $('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_detail');
		classCurrent('ifocus_btn','ifocus_detail',1);
	}
	if (currentNum==1&&listLength!=2 ){
		moveElement('ifocus_piclist',0,-450,5);
		classNormal('ifocus_btn','ifocus_detail');
		classCurrent('ifocus_btn','ifocus_detail',2);
	}
	if (currentNum==2&&listLength!=3 ){
		moveElement('ifocus_piclist',0,-675,5);
		classNormal('ifocus_btn','ifocus_detail');
		classCurrent('ifocus_btn','ifocus_detail',3);
	}
	if (currentNum==3 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_detail');
		classCurrent('ifocus_btn','ifocus_detail',0);
	}
	if (currentNum==1&&listLength==2 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_detail');
		classCurrent('ifocus_btn','ifocus_detail',0);
	}
	if (currentNum==2&&listLength==3 ){
		moveElement('ifocus_piclist',0,0,5);
		classNormal('ifocus_btn','ifocus_detail');
		classCurrent('ifocus_btn','ifocus_detail',0);
	}
}
addLoadEvent(iFocusChange);