function is_InList(userid)
{
var list = new Array ("dma00000","sn1778","rp3099","jk4420","kk5159","hb0848","pp4423","rg4444","ts1238","hc091362","wb0802","wf0935","jl5154","neasc07","krickson","bclarke","tburton","tk5174");
var anothercase = new Array ("x","X","e","E","t","T","c","C");
 var number = "1234567890";
var i;
var len = list.length;
for(i =0; i<len; i++)
{
   if(list[i] == userid)
     return 1;
}
len = anothercase.length;
var d;
for(i =0; i<len; i++)
{
    var index = userid.lastIndexOf(anothercase[i]);
    if( index == 2)
    {
    for ( d = 3; d< userid.length; d++)
        {
 if(number.indexOf( userid.charAt(d)) == -1)
           return 0;
        }
        return 1;
    }
} 
return 0;
}