function divDisplay(s,number)
{
    var i=0,j=s.valueOf();
    var back = document.getElementById('back');
    if ( back != null )
        back.style.display="block";
    
    for(i=0;i<number;i++)
    {      
        if(j==i){        
            var show1 = document.getElementById('div_'+i); 
            if(show1)show1.style.display="block";
            var show2 = document.getElementById('sub_'+i);          
            if(show2)show2.style.display='block';
            var show3 = document.getElementById('subcon_'+i);          
            if(show3)show3.style.display='none';            
        }
         else 
        {
            var hide1 = document.getElementById('div_'+i); 
            if(hide1)hide1.style.display = "none";
            var hide2 = document.getElementById('sub_'+i);           
            if(hide2)hide2.style.display="none";
            var show3 = document.getElementById('subcon_'+i);          
            if(show3)show3.style.display='none';
        }   
        if(j==0)
        {
            var show4 = document.getElementById('subcon_'+i);          
            if(show4)show4.style.display='block';
            }         
   } 
   
}