function showObj(flag)
{
    var objID0="supply";
    var objID1="demand";
    var objID0="cooper"; 
    var objID="supply";
    var obj_navID="supply_nav"; 
    var obj_moreID="supply_more"; 
    
    for(var i=0;i<3;i++)
    {     
            if(i==0)
            {
                 objID="demand";
                 obj_navID="demand_nav";
                 obj_moreID="demand_more"
            }  
            if(i==1)
            {
                 objID="supply";
                 obj_navID="supply_nav";
                 obj_moreID="supply_more"
            }
            if(i==2)
            {
                 objID="cooper";
                 obj_navID="cooper_nav";
                 obj_moreID="cooper_more"
            }
           document.getElementById(objID).style.display="none";
           document.getElementById(obj_moreID).style.display="none"; 
           document.getElementById(obj_navID).className="t_normal";
    } 
    if(flag==0)
    {
         objID="supply";
         obj_navID="supply_nav";
         obj_moreID="supply_more"
    }  
    if(flag==1)
    {
         objID="demand";
         obj_navID="demand_nav";
         obj_moreID="demand_more"
    }
    if(flag==2)
    {
         objID="cooper";
         obj_navID="cooper_nav";
         obj_moreID="cooper_more"
    }
    document.getElementById(objID).style.display="block";
    document.getElementById(obj_moreID).style.display=""; 
    document.getElementById(obj_navID).className="t_nav";
}
   function showObj2(flag)
{
    var objID0="supply2";
    var objID1="demand2";
    var objID0="cooper2"; 
    var objID="supply2";
    var obj_navID="supply_nav2"; 
    var obj_moreID="supply_more2"; 
    
    for(var i=0;i<3;i++)
    {     
            if(i==0)
            {
                 objID="supply2";
                 obj_navID="supply_nav2";
                 obj_moreID="supply_more2"
            }  
            if(i==1)
            {
                 objID="demand2";
                 obj_navID="demand_nav2";
                 obj_moreID="demand_more2"
            }
            if(i==2)
            {
                 objID="cooper2";
                 obj_navID="cooper_nav2";
                 obj_moreID="cooper_more2"
            }
           document.getElementById(objID).style.display="none";
           document.getElementById(obj_moreID).style.display="none"; 
           document.getElementById(obj_navID).className="t_normal";
    } 
    if(flag==0)
    {
         objID="supply2";
         obj_navID="supply_nav2";
         obj_moreID="supply_more2"
    }  
    if(flag==1)
    {
         objID="demand2";
         obj_navID="demand_nav2";
         obj_moreID="demand_more2"
    }
    if(flag==2)
    {
         objID="cooper2";
         obj_navID="cooper_nav2";
         obj_moreID="cooper_more2"
    } 
    document.getElementById(objID).style.display="block";
    document.getElementById(obj_moreID).style.display=""; 
    document.getElementById(obj_navID).className="t_nav";
}