function form_autojump(formName, fieldName, nextFieldName, fakeMaxLength)
{
	var myForm=document.getElementById(formName);
	var myField=myForm.elements[fieldName];
	myField.nextField=myForm.elements[nextFieldName];
	if (myField.maxLength == null)
	myField.maxLength=fakeMaxLength;
	myField.onkeydown=autojump_keyDown;
	myField.onkeyup=autojump_keyUp;
}
function autojump_keyDown()
{
	this.beforeLength=this.value.length;
	downStrokeField=this;
}
function autojump_keyUp()
{
	if (
		(this == downStrokeField) &&
		(this.value.length > this.beforeLength) &&
		(this.value.length >= this.maxLength)
	)
	this.nextField.focus();
	downStrokeField=null;
}

function formEnterData(obj, defval) {
	if ( obj.value == defval ) {
		obj.value='';
		obj.style.color='#000';
	}
}
function formExitData(obj, defval) {
	if ( obj.value == '' ) {
		obj.value=defval;
		obj.style.color='#808080';
	}
}