set up for dealing with employees expenses

[tereque]

hi everybody,

I am managing accounting for our small company and need to find a good 
way to manage expenses done by employees. Can bee that in first moment 
an employee would use his own cash to do a payment (so it needs to be 
shown as a liability I guess).
Later this money is being reimbursed to the employee, so this expense 
done has to be shown as went out from somewhere (lets say company cash) 
to an expenses account

how would I setup accounts for this (in order to be doing the less work 
possible in showing this transactions)
I would prefer that in the end the (liabitlty) account of the employes 
cash (that has been used temporarily) is being left out

thanks ...Bela