This info was for wine stains, but can work for grape juice or koolaid.
lot the spill with paper towels or a clean cloth.
Combine 1 teaspoon carpet shampoo (or dish soap, like Dawn) and 1 cup hydrogen peroxide in a small bowl. Soak a clean sponge in the mixture, squeeze it halfway dry, then gently blot the stain. Continue until the stain lifts.
Sponge the stained area with warm water.
Blot dry with a clean cloth or paper towels.
Read more: How to Remove Red Wine Stains From a Carpet | eHow.com http://www.ehow.com/how_2526_remove-red-wine.html#ixzz11DPAM200
at 11:22 AM on Oct. 2, 2010