// 9.25.10-Asia added the following reg expression function to ensure that numeric characters are entered' into the 'AuctionID' text field... 
function ValidUnitNumber(input){
    if ( input.toString().length!=0 )
    {
        if (isNaN(input)==true)
        //var tomatch=/[0-9]/  //regular expression: user must enter at least 5 numbers in length, between 0-9
        //if (tomatch.test(input))
        {
          return false;
        }
          else
        {
          return true;
        }
        }
        return false;
        }