Hola
Sería algo así
Código ASP:
Ver originalDim Arr()
for each campo in Request.Form
valCampos = valCampos & Request.Form(campo)
next
division = Split(valCampos, ",")
for i = 0 to UBound(division)
redim preserve Arr(i+1)
Arr(i) = division(i)
next
Select campo FROM tabla WHERE campo = " & Join(Arr, " or campo = ")
Suerte