/*幻灯*/
var n=0;
var showNum = document.getElementById("num");
function Mea(value){
	n=value;
	setBg(value);
	plays(value);
	cons(value);
	}
function setBg(value){
	for(var i=0;i<4;i++)
   if(value==i){
		showNum.getElementsByTagName("td")[i].className='bigon';
		} 
	else{	
		showNum.getElementsByTagName("td")[i].className='bigoff';
		}  
	} 
function plays(value){
	try
	{
		with (fc)
		{
			filters[0].Apply();
			for(i=0;i<4;i++)i==value?children[i].style.display="block":children[i].style.display="none"; 
			filters[0].play(); 
		}
	}
	catch(e)
	{
		var divlist = document.getElementById("fc").getElementsByTagName("div");
		for(i=0;i<4;i++)
		{
			i==value?divlist[i].style.display="block":divlist[i].style.display="none";
		}
	}

	
}
function cons(value){
	try
	{
		with (con)
		{
				for(i=0;i<4;i++)i==value?children[i].style.display="block":children[i].style.display="none"; 		
		}
	}
	catch(e)
	{
		var divlist = document.getElementById("con").getElementsByTagName("div");
		for(i=0;i<4;i++)
		{
			i==value?divlist[i].style.display="block":divlist[i].style.display="none";
		}		
	}
}

function clearAuto(){clearInterval(autoStart)}
function setAuto(){autoStart=setInterval("auto(n)", 5000)}
function auto(){
	n++;
	if(n>3)n=0;
	Mea(n);
} 
function sub(){
	n--;
	if(n<0)n=3;
	Mea(n);
} 
setAuto(); 


//查询（2009.12.29）
function clearTag(obj)
{
    try
{
    if(obj == null) obj = Search_Form;
    }
    catch(e)
    {
    obj = form1
    }
    if(obj.tags.value == "请输入要搜索的关键词")
    {
        obj.tags.value = "";
    }
}
function JudgeTagText(obj)
{
    try
{
    if(obj == null) obj = Search_Form;
    }
    catch(e)
    {
    obj = form1
    }
    if(obj.tags.value == "")
    obj.tags.value = "请输入要搜索的关键词";
}
//过时方法（wxh 2010-5-7 ）
function dsdodsearch(obj)
{
    try
    {
        if(obj == null) obj = form1;
    }
    catch(e){}
    if(obj.tags == null)
    obj.tags = document.getElementById("tags");
    if(obj.columntype == null)
    obj.columntype = document.getElementById("columntype");
    if(obj.tags.value.length<2||obj.tags.value.length>20||obj.tags.value=='请输入要搜索的关键词')
    {
         obj.tags.value = ' ';
         obj.tags.focus();
         alert('搜索最小长度不得少于2字符。');
         return false;
    }
    if(obj.tags.value=='')
    {
         alert('请填写关键字');
         return false;
    }
    if(obj.columntype.value == "0") //dealer
    {
        window.location.href='http://www.dsdod.com/searchlistdealer.shtml?key='+escape(obj.tags.value);
        return;
    }
    if(obj.columntype.value == "1") //qbar
    {
        window.location.href='http://www.dsdod.com/searchlistqbar.shtml?key='+escape(obj.tags.value);
        return;
    }
    else //news
    {
        window.location.href='http://www.dsdod.com/searchlist.shtml?key='+escape(obj.tags.value);
        return;
    }
}
//2010-5-7
function searchdsdod(obj)
{
    try
    {
        if(obj == null) obj = form1;
    }catch(e){}   
    if(obj.tags == null)  obj.tags = document.getElementById("tags");
    var objType = document.getElementsByName("searchRadio");
    var ojbRadValue;
    if(objType!=null)
    {
        var i;
        for(i=0;i<objType.length;i++)
        {
            if(objType[i].checked)
            {
                ojbRadValue = objType[i].value;
            }
        }
     }
    if(obj.tags.value.length<2||obj.tags.value.length>20||obj.tags.value=='请输入要搜索的关键词')
    {
         obj.tags.focus();
         alert('搜索最小长度不得少于2字符。');
         obj.tags.value = '';
         return false;
    }
    if(obj.tags.value=='')
    {
         alert('请填写关键字');
         return false;
    }
    switch(ojbRadValue)
    {
        case "0":
            window.location.href='http://www.dsdod.com/searchlistdealer.shtml?key='+escape(obj.tags.value);
        break;
        case "1":
            window.location.href='http://www.dsdod.com/searchlistqbar.shtml?key='+escape(obj.tags.value);
        break;
        case "2":
            window.location.href='http://www.dsdod.com/searchlist.shtml?key='+escape(obj.tags.value);
        break;
        case "3":
            window.location.href='http://www.dsdod.com/Product/ProductSearchList.aspx?proName='+escape(obj.tags.value);
        break;
        default:
            window.location.href='http://www.dsdod.com/searchlist.shtml?key='+escape(obj.tags.value);
        break;
    }
}
//新闻滚动
window.onload = function() {
    try
    {
        var speed=50;    //滚动速度值，值越大速度越慢
        demo2Mews.innerHTML = demo1Mews.innerHTML    //克隆demo2Mews为demo1Mews
        function Marquee1(){
            if(demo2Mews.offsetTop-demoNews.scrollTop<=0)    //当滚动至demo1Mews与demo2Mews交界时
                demoNews.scrollTop-=demo1Mews.offsetHeight    //demoNews跳到最顶端
            else{
                demoNews.scrollTop++
            }
        }
        var MyMarNews = setInterval(Marquee1,speed);        //设置定时器
        demoNews.onmouseover = function(){clearInterval(MyMarNews)}    //鼠标经过时清除定时器达到滚动停止的目的
        demoNews.onmouseout = function(){MyMarNews = setInterval(Marquee1,speed)}    //鼠标移开时重设定时器
    }catch(err){}
}