function formValidator(frm){
	for (var i = 0; i < frm.elements.length; i++){
		var el = frm.elements[i];
		if(el.required){
			if(el.type=='select-one'&&el.selectedIndex==0){
				alert('The "' + el.control_name + '" field requires a selection.');
				el.focus();
				return false;
			}else if(isEmpty(el)){
				alert('The "' + el.control_name + '" field requires an entry.');
				el.focus();
				return false;
			}
		}
		
		if(el.numeric){
			if(!isNumeric(el)){
				alert('The "' + el.control_name + '" entry must be a number.');
				el.focus();
				return false;
			}
		}
		
		if(el.valid_email){
			if(!isValidEmail(el.value)){
				alert('The "' + el.control_name + '" field requires a valid email address.');
				el.focus();
				return false;
			}
		}
		
		if(el.min_length){
			if(!isLongEnough(el.value,el.min_length)){
				alert('The "' + el.control_name + '" field requires a minimum of ' + el.min_length + ' characters.');
				el.focus();
				return false;
			}
		}
		
		if(el.equal_val){
			if(el.value != el.equal_val){
				alert('The field values are not equal.');
				return false;
			}
		}
	}
}

function isEmpty(elmnt){
	val = elmnt.value.toString();
	if(val == 'undefined' || val == '' || val == '0' || val == 'null'){
		return true;
	}
	return false;
}

function isLongEnough(elmnt,l){
	if(elmnt.length < l){
		return false;
	}
	return true;
}

function isNumeric(elmnt){
	var errCount = 0;
	var numdecs = 0;
	var val = elmnt.value;
	for(var j = 0; j < val.length; j++){
		var c = val.charAt(j);
		if((c >= 0 && c <= 9) || c=='.' || (j==0 && c == '-')){
			if(c=='.') { numdecs++; }
		}else{
			errCount++;
			break;
		}
	}
	if(errCount > 0 || numdecs > 1){
		return false;
	}
	return true;
}

function isValidEmail(em){
	var tst = true;
	if(em.length < 6){ tst = false; }
	if(em.indexOf(' ') != -1){ tst = false; }
	if(em.indexOf('@') < 1){ tst = false; }
	if(em.indexOf('.') < 1){ tst = false; }
	if(em.lastIndexOf('.') < em.indexOf('@')){ tst = false; }
	if(em.lastIndexOf('@') != em.indexOf('@')){ tst = false; }
	if(em.lastIndexOf('.') < em.indexOf('@')+2){ tst = false; }
	return tst;
}