function isNumeric(theObject) {
	if (theObject.value == "") { return true; }
	if (theObject == null)     { return true; }
	if (isNaN(theObject.value)) { return true; }
   	return false;
}
function isBlank(theObject) {
	if (theObject.value == "") { return true; }
	if (theObject == null)     { return true; }
}
function isEmail(theObject){
	with(theObject){
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
		lastpos=value.length-1;
		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2){
			return true;
		}
		else{
			return false;
		}
	}
}
function isSelected(theObject){
	if (theObject.options[theObject.selectedIndex].value) { return false; }
	return true;
}
function isChecked(theObject){
	for (i=0; i<theObject.length; i++) {
		if (theObject[i].checked) { return false; }
	}
	return true;
}
function isDateSlash(theObject){
	with(theObject){
		slash1=value.indexOf("/");
		slash2=value.lastIndexOf("/");
		if (slash1!=2 || slash2!=5 || value.length!=10){
			return true;
		}
		else{
			return false;
		}
	}
}
function isLength(theObject, theLength){
	if (theObject.value.length > theLength) { return true; }
	return false;
}