function showMenu(id)
{
	$("#head_li"+id).show();
	$("#headeronmouse"+id).addClass("headeronmouse");
}

function hideMenu(id)
{
	$("#head_li"+id).hide();
	$("#headeronmouse"+id).removeClass("headeronmouse");
}

function show_head_li(id)
{
	document.getElementById("head_li"+id).style.display="block";
        document.getElementById("headeronmouse"+id).className="headeronmouse";
}
function hide_head_li(id)
{
	document.getElementById("head_li"+id).style.display="none";
        document.getElementById("headeronmouse"+id).className="";

}


function show_massage_hide()
{
	if ($("#name").val() == "") {
		alert("请填写姓名");
		return false;
	}
	if ($("#phone").val() == "") {
		alert("请填写电话");
		return false;
	}
	var msg = $("#message").val();
	var url = "index.php?option=com_intro&task=submitContactUwork";
	$.ajax({
		url: url, type: 'POST', data: msg, timeout: 5000, 
		success: function(result) {
			if (result) {
				//alert(result);
			} else {
				alert("网络延迟，发送失败。");
			}
		}
	});
	$("#name").val('');
	$("#phone").val('');
	$("#message").val('');
	document.getElementById("massage_hide").style.display="block";
}
function hide_massage_hide()
{
	document.getElementById("massage_hide").style.display="none";

}


function img001_on()
{
	document.getElementById("img001").style.display="block";
}
function img001_off()
{
	document.getElementById("img001").style.display="none";
}
function img002_on()
{
	document.getElementById("img002").style.display="block";
}
function img002_off()
{
	document.getElementById("img002").style.display="none";
}
function img003_on()
{
	document.getElementById("img003").style.display="block";
}
function img003_off()
{
	document.getElementById("img003").style.display="none";
}

function show_head_li(id)
{
	document.getElementById("head_li"+id).style.display="block";
        document.getElementById("headeronmouse"+id).className="headeronmouse";
}

function hide_head_li(id)
{
	document.getElementById("head_li"+id).style.display="none";
        document.getElementById("headeronmouse"+id).className="";

}

function change_litle_icons(id)
{
	document.getElementById("litle_icons"+id).innerHTML='<img src="images/3.gif" onclick="change_litle_icons2('+id+')" />';
	document.getElementById("tab1_ul"+id).style.display="none";

}
function change_litle_icons2(id)
{
	document.getElementById("litle_icons"+id).innerHTML='<img src="images/1.gif" onclick="change_litle_icons('+id+')" />';
	document.getElementById("tab1_ul"+id).style.display="block";
}

/**右侧**/

function show_list(id)
{
	if(document.getElementById("list"+id).style.display=="block")
	{
		document.getElementById("list"+id).style.display="none";
		document.getElementById("span_img"+id).innerHTML='<img src="images/1.png">';
	}else
	{
		document.getElementById("list"+id).style.display="block";
		document.getElementById("span_img"+id).innerHTML='<img src="images/3.png">';
	}
}


function show_li(id)
{
	if(document.getElementById("list_li"+id).style.display=="block")
	{
		document.getElementById("list_li"+id).style.display="none";
		document.getElementById("span_img_img"+id).innerHTML='<img src="images/33.gif">';
	}else
	{
		document.getElementById("list_li"+id).style.display="block";
		document.getElementById("span_img_img"+id).innerHTML='<img src="images/11.gif">';
	}
}

/**首页图片切换**/
function $$(id) { return document.getElementById(id);}
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 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;
	for(var i=0;i<listLength;i++){
			iFocusBtns[i].index=i;
			iFocusBtns[i].onmouseover = function() {
			moveElement('ifocus_piclist',0,-(this.index*395),3);
			classCurrent('ifocus_btn',this.index);
			}
		}
}
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!=listLength-1){
		moveElement('ifocus_piclist',0,-((currentNum+1-0)*395),3);
		classCurrent('ifocus_btn',currentNum+1-0);
	}
	else{
		moveElement('ifocus_piclist',0,0,3);
		classCurrent('ifocus_btn',0);
	}
	
}

function classCurrent(iFocusBtnID,n){
	var iFocusBtns= $$(iFocusBtnID).getElementsByTagName('li');	
	for(var i=0; i<iFocusBtns.length; i++) {
		if (i==n){
			iFocusBtns[n].className='current';
			document.getElementById("ifocus").style.background="url(images/00"+(i+1)+"_01.png) repeat-x";
		}
		else
			iFocusBtns[i].className='normal';		
	}
}
addLoadEvent(iFocusChange);