//屏蔽ie js错误
function killerrors() 
{ 
    return true; 
}
window.onerror = killerrors;


//分页左右同步高度
function sync()
{
    var left,right
    left=document.getElementById("left_height");
    right=document.getElementById("right_height");
    if (left.offsetHeight<right.offsetHeight)
    {
        left.style.height=right.offsetHeight+15;
    }
    else
    {
        right.style.height=left.offsetHeight-55;
    }
    
}

//标题背景判断
        var nr=document.getElementById("ctl00_ContentPlaceHolder1_Label2");
        var tttype=document.getElementById("tt_top");
        switch (nr.innerHTML)
        {
        
        case "IT服务外包": 
        tttype.className="ct_left3_top";
        document.getElementById("nav02").className='nav_default';
        break;
        
        case "软件开发": 
        tttype.className="ct_left4_top";
        document.getElementById("nav03").className='nav_default';
        break;
        
        case "公司产品": 
        tttype.className="ct_left6_top";
        document.getElementById("nav04").className='nav_default';
        break;
        
        case "综合布线": 
        tttype.className="ct_left8_top";
        document.getElementById("nav05").className='nav_default';
        break;  
        
        case "新闻中心": 
        tttype.className="ct_left5_top";
        document.getElementById("nav06").className='nav_default';
        break;
        
        case "会员专区": 
        tttype.className="ct_left7_top";
        document.getElementById("nav07").className='nav_default';
        break;
        
        case "关于我们": 
        tttype.className="ct_left1_top";
        document.getElementById("nav08").className='nav_default';
        break;

		case "联系我们": 
        tttype.className="ct_left1_top";
        document.getElementById("nav09").className='nav_default';
        break;
        
        default:
        document.getElementById("nav01").className='nav_default';
        
        }
                
//登录窗口
function show_loagin(show)
{
    document.getElementById("wai").style.display=show;
    document.getElementById("mask").style.height=document.body.scrollHeight;
}

//重置登录框
function cz()
{
    document.getElementById("ctl00_TextBox1").value="";
    document.getElementById("ctl00_TextBox2").value="";
    document.getElementById("ctl00_TextBox3").value="";
}

//二级分类高亮
function headpage()
{
	if(!document.getElementsByTagName) return false;
	if(!document.getElementById) return false;
	if(!document.getElementById('subnav')) return false;
	
	var nav1=document.getElementById('subnav');//获取连接外层对象
	var links1=nav1.getElementsByTagName('a');//获取层内a节点
	for (var i=0; i<links1.length; i++)
	{
		var linkurl1=links1[i].getAttribute('href');//获取a标签的href字符串
		var currenturl1=document.location.href;//获取地址栏连接字符串
		if(linkurl1==currenturl1) //完全匹配
		//if(currenturl1.indexOf(linkurl1) != -1) //部分匹配
		{
			links1[i].style.background='url(../images/tb_05.gif) 0px 7px no-repeat';//指定样式
			links1[i].style.color='#FF6A06';
			return true;
		}
	}	
}