/* 
just add  

 onKeyUp="autoTab(this,'next field Name Here');" maxlength="" 

to your input to auto tab to the next field
*/
/*
form cannot have a "name" field in it in order for this script to run properly
*/
function autoTab(t,n){
	f = t.form.name;
	l = t.value.length;
	if (l == t.getAttribute("maxlength")){
		dest = "document." + f + "." + n + ".focus();";
		destination = eval(dest);
	}
}