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 = 3723; be.value = 8041; ce.value = (7 * 3723) + 8041; de.value = "e0566402cc261fe3710b61345e22ce44"; }