// JavaScript Document
function changeContent(id)
{
    if(id == 1)
    {        
        document.getElementById('td1').style.backgroundImage = "url('images/main_r5_c3.jpg')";    
        document.getElementById('td2').style.backgroundImage = "url('images/main_r5_c6.jpg')";
        document.getElementById('DataList1').style.display = '';
        document.getElementById('DataList2').style.display = 'none';
    }
    else if(id==2)
    {
        document.getElementById('td1').style.backgroundImage = "url(images/main_r5_c31.jpg)";   //°µÍ¼
        document.getElementById('td2').style.backgroundImage = "url(images/main_r5_c61.jpg)";      //ÁÁͼ
        document.getElementById('DataList1').style.display = 'none';
        document.getElementById('DataList2').style.display = '';
    }
}