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

function menuHover(elementId,tagName){
	var element=document.getElementById(elementId);
	if(!element)return false;
	var items=element.getElementsByTagName('li');
	var subItem;
	for(var i=0;i<items.length;i++){
		items[i].onmouseover=function(){
			this.className='hover';
			subItem=this.getElementsByTagName(tagName)[0];
			if (!subItem) return false;
			subItem.className='hover';
		}
		items[i].onmouseout=function(){
			this.className='';
			subItem=this.getElementsByTagName(tagName)[0];
			if (!subItem) return false;
			subItem.className='';
		}
	}
}

function scrollNews(selector,Entry,time,StartIndex)
{
	var _self=this;
	this.Selector=selector;
	this.Entry=Entry;
	this.time = time;
	this.i=StartIndex||0;
	this.Count=$(this.Selector+" ul li").length;
	$(this.Selector+" ul li").hide();//全部隐藏
	$(this.Selector+" ul li").eq(this.i).show();//第i个显示
	$(this.Selector).bind("mouseenter",function(){
	    	if(_self.sI){clearInterval(_self.sI);}
	}).bind("mouseleave",function(){
			_self.showIndex(_self.i++);
	})
	/*生成激活OL项目*/
	for(var j=0;j<this.Count;j++)
		$(this.Selector+" .activeOL").append('<li><a onclick="'+this.Entry+'.showIndex('+j+');" href="#"><img src="images/crystal.gif"></a></li>');
	$(this.Selector+" ol li a").eq(this.i).addClass("active");
	this.sI=setInterval(this.Entry+".showIndex(null)",this.time);
	
	this.GetSelector=function(){return this.Selector;}
	this.showIndex=function(index)
	{
		this.i++;//显示下一个
		if(this.sI){clearInterval(this.sI);}
		this.sI=setInterval(this.Entry+".showIndex()",this.time);
		if (index!=null)
		{
			this.i=index;
		}
		if(this.i==this.Count)
			this.i=0;
		$(this.Selector+" ul li").hide();
		$(this.Selector+" ul li").eq(this.i).slideDown();
		$(this.Selector+" ol li a").removeClass("active");
		$(this.Selector+" ol li a").eq(this.i).addClass("active");
	}
}
function selectGoUrl(elementId){
	var element=document.getElementById(elementId);
	if (!element) return false;
	element.onchange=function(){
		if (this.value=='') return false;
		var external = window.open(this.value);
		return external.closed;
	}
}

function SelectCategory(){
	var element=document.getElementById('SelectSearch');
	var element2=document.getElementById('SelectSearch2');
	if (element){
		SelectCategory2(element.value);
		element.onchange=function(){
			document.getElementById('SelectSearch2').options.length=0;
			document.getElementById('SelectSearch3').options.length=0;
			SelectCategory2(this.value);
		}
	}
	if (element2){
		element2.onchange=function(){
			document.getElementById('SelectSearch3').options.length=0;
			SelectCategory3(this.value);
		}
	}
}

function SelectCategory2(Id)
{
  var requester;
  try
  {
    requester = new XMLHttpRequest();
  }
  catch (error)
  {
    try
    {
      requester = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (error)
    {
      requester = null;
    }
  }

  if (requester != null)
  {
    requester.onreadystatechange = function()
    {
      if (requester.readyState == 4)
      {
        if (requester.status == 200 || requester.status == 304)
        {
			var lists=requester.responseXML.getElementsByTagName("List");
          var element = document.getElementById('SelectSearch2');
			for (var i = 0; i < lists.length; i++){
			var oOption=document.createElement("option");
			oOption.setAttribute('value',lists[i].getElementsByTagName("CategoryId")[0].firstChild.nodeValue);
			oOption.appendChild(document.createTextNode(lists[i].getElementsByTagName("Name")[0].firstChild.nodeValue));
			element.appendChild(oOption);
			}
			if (element.value==''){
				SelectCategory3(Id);
			}else{
				SelectCategory3(element.value);
			}
        }
        else
        {
          //alert('连接服务器失败！');
       }

      }
      return true;
    };

    requester.open('GET', 'xml/SelectSearch2.asp?id='+Id);
    requester.send(null);
  }
  else
  {
    return false;
  }
  return true;
}

function SelectCategory3(Id)
{
  var requester;
  try
  {
    requester = new XMLHttpRequest();
  }
  catch (error)
  {
    try
    {
      requester = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (error)
    {
      requester = null;
    }
  }

  if (requester != null)
  {
    requester.onreadystatechange = function()
    {
      if (requester.readyState == 4)
      {
        if (requester.status == 200 || requester.status == 304)
        {
			var lists=requester.responseXML.getElementsByTagName("List");
          var element = document.getElementById('SelectSearch3');
			for (var i = 0; i < lists.length; i++)
			{
			var oOption=document.createElement("option");
			oOption.setAttribute('value',lists[i].getElementsByTagName("ProductId")[0].firstChild.nodeValue);
			oOption.appendChild(document.createTextNode(lists[i].getElementsByTagName("Name")[0].firstChild.nodeValue));
			element.appendChild(oOption);
			}
        }
        else
        {
          //alert('连接服务器失败！');
       }

      }
      return true;
    };

    requester.open('GET', 'xml/SelectSearch3.asp?id='+Id);
    requester.send(null);
  }
  else
  {
    return false;
  }
  return true;
}

function SelectSearchForm(){
	var SelectSearchForm=document.getElementById('SelectSearchForm');
	if (!SelectSearchForm) return false;
	SelectSearchForm.onsubmit=function(){
		var external
		var SelectSearch=document.getElementById('SelectSearch');
		var SelectSearch2=document.getElementById('SelectSearch2');
		var SelectSearch3=document.getElementById('SelectSearch3');
		if (SelectSearch3.value!=''){
			var external = window.open('product_info.asp?id='+SelectSearch3.value);
		}else if (SelectSearch2.value!=''){
			var external = window.open('product.asp?id='+SelectSearch2.value);
		}else if (SelectSearch.value!=''){
			var external = window.open('product.asp?id='+SelectSearch.value);
		}
		return external.closed;
	}
}

function SelectProduct(){
	var element=document.getElementById('SelectProduct');
	var element2=document.getElementById('SelectProduct2');
	var element3=document.getElementById('SelectProduct3');
	if (element){
		SelectProduct2(element.value);
		element.onchange=function(){
			document.getElementById('SelectProduct2').options.length=0;
			document.getElementById('SelectProduct3').options.length=0;
			SelectProduct2(this.value);
		}
	}
	if (element2){
		element2.onchange=function(){
			document.getElementById('SelectProduct3').options.length=0;
			SelectProduct3(this.value);
		}
	}
	if (element3){
		element3.onchange=function(){
			if (this.value!=''){
				var external = window.open('product_info.asp?id='+this.value);
				return external.closed;
			}
		}
	}
}

function SelectProduct2(Id)
{
  var requester;
  try
  {
    requester = new XMLHttpRequest();
  }
  catch (error)
  {
    try
    {
      requester = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (error)
    {
      requester = null;
    }
  }

  if (requester != null)
  {
    requester.onreadystatechange = function()
    {
      if (requester.readyState == 4)
      {
        if (requester.status == 200 || requester.status == 304)
        {
			var lists=requester.responseXML.getElementsByTagName("List");
          var element = document.getElementById('SelectProduct2');
          if (lists.length>0){
          	var oOption=document.createElement("option");
			oOption.setAttribute('value',"");
			oOption.appendChild(document.createTextNode('请选择产品'));
			element.appendChild(oOption);
          }
			for (var i = 0; i < lists.length; i++){
			var oOption=document.createElement("option");
			oOption.setAttribute('value',lists[i].getElementsByTagName("CategoryId")[0].firstChild.nodeValue);
			oOption.appendChild(document.createTextNode(lists[i].getElementsByTagName("Name")[0].firstChild.nodeValue));
			element.appendChild(oOption);
			}
			if (element.value==''){
				SelectProduct3(Id);
			}else{
				SelectProduct3(element.value);
			}
        }
        else
        {
          //alert('连接服务器失败！');
       }

      }
      return true;
    };

    requester.open('GET', 'xml/SelectSearch2.asp?id='+Id);
    requester.send(null);
  }
  else
  {
    return false;
  }
  return true;
}

function SelectProduct3(Id)
{
  var requester;
  try
  {
    requester = new XMLHttpRequest();
  }
  catch (error)
  {
    try
    {
      requester = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (error)
    {
      requester = null;
    }
  }

  if (requester != null)
  {
    requester.onreadystatechange = function()
    {
      if (requester.readyState == 4)
      {
        if (requester.status == 200 || requester.status == 304)
        {
			var lists=requester.responseXML.getElementsByTagName("List");
          var element = document.getElementById('SelectProduct3');
          if (lists.length>0){
          	var oOption=document.createElement("option");
			oOption.setAttribute('value',"");
			oOption.appendChild(document.createTextNode('请选择型号'));
			element.appendChild(oOption);
          }
			for (var i = 0; i < lists.length; i++)
			{
			var oOption=document.createElement("option");
			oOption.setAttribute('value',lists[i].getElementsByTagName("ProductId")[0].firstChild.nodeValue);
			oOption.appendChild(document.createTextNode(lists[i].getElementsByTagName("Name")[0].firstChild.nodeValue));
			element.appendChild(oOption);
			}
        }
        else
        {
          //alert('连接服务器失败！');
       }

      }
      return true;
    };

    requester.open('GET', 'xml/SelectSearch3.asp?id='+Id);
    requester.send(null);
  }
  else
  {
    return false;
  }
  return true;
}

document.onclick = function(e)
{
  var target = e ? e.target : window.event.srcElement;

  while (target && !/^(a|body)$/i.test(target.nodeName))
  {
    target = target.parentNode;
  }

  if (target && target.getAttribute('rel')
      && target.rel == 'external')
  {
    var external = window.open(target.href);

    return external.closed;
  }
}

addLoadEvent(SelectCategory);
addLoadEvent(SelectProduct);
addLoadEvent(SelectSearchForm);
addLoadEvent(function(){menuHover('productCat','div')});
addLoadEvent(function(){menuHover('navigationbar','ul')});
addLoadEvent(function(){selectGoUrl('SelectRecommend')});
addLoadEvent(SelectCategory);
function initialize() {
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById('map_canvas'));
var marker = new GMarker(new GLatLng(31.2867698, 121.2338566));
var html = '<div style="width:300px;height:70px">上海华威焊割机械有限公司<br />地址：上海市嘉定区黄渡镇星塔工业园区春归路201号<br />电话：（021）69591999　69597773<br />传真：（021）69597771</div>';
map.setCenter(new GLatLng(31.2867698, 121.2338566), 13);
map.addOverlay(marker);
marker.openInfoWindowHtml(html);
}
}
$(function(){
$('#scrollbar').jScrollPane({scrollbarWidth:6, scrollbarMargin:10,wheelSpeed:300});
});