function checkMaster(master_id,obj)
{
var check_value=obj.value;
master_check_id=document.getElementById(‘master_chk_’+master_id);

if(master_check_id.checked!=true)
{
master_check_id.checked=true;
}
/*
if(check_value>0)
{
if($(obj).next().val()==’0’)
{
$(obj).next().val(1);
}
}
else
{
$(obj).next().val(‘0’);
}
*/
var checked_sizes=$(‘input[rel=”‘+master_id+'”]’).filter(“:checked”).length;
if(check_value<=0 || checked_sizes<=0)
{
master_check_id.checked=false;
}

}
function checkSize(size_id_name,check_value)
{

var size_id=document.getElementById(size_id_name);
check_value=parseInt(check_value);
if(check_value<=0)
{
size_id.checked=false;
}
else
{
size_id.checked=true;
}

var this_rel=$(size_id).attr('rel');
checkMaster(this_rel,size_id);

}