function dynChecksum(dynKey) { ae = document.getElementById(dynKey + "a"); be = document.getElementById(dynKey + "b"); ce = document.getElementById(dynKey + "c"); de = document.getElementById(dynKey + "d"); ae.value = 1816; be.value = 7543; ce.value = (7 * 1816) + 7543; de.value = "561ee79d0ca9096bf234fff2d69aabb4"; }