<!--//
	function Decrease(theFieldName){
		var theField = getObjectName(theFieldName);
		if(isNaN(theField.value)) return false;
		if(Number(theField.value)>0) {
			theField.value = Number(theField.value)-1;
		}
	}
	function Increase(theField){
		theField = getObjectName(theField);
		if(isNaN(theField.value)) return false;
		theField.value = Number(theField.value)+1;
	}
	function ValidateNumber(theInput){
		if(isNaN(theInput.value)) {
			alert('Please enter a number');
			theInput.value='';
			theInput.focus();
		}
	}
	function ValidateForm(theForm){
		if(theForm.TotalGuests.value.length<=0) {
			alert('Please enter the total number of guests');
			theForm.TotalGuests.focus();
			return false;
		}
		if(Number(theForm.TotalGuests.value)<4) {
			alert('Our Party Planner is designed for parties of 4 or more guests.');
			theForm.TotalGuests.select();
			return false;
		}
		if(NotEnoughDrinkers(theForm)){
			theForm.TotalGuests.select();
			return false;
		}
		return true;
	}
	function NotEnoughDrinkers(theForm) {
		if(Number(theForm.TotalGuests.value) <= Number(theForm.Drivers.value)+Number(theForm.NonDrinkers.value)){
			alert('Non drinkers cannot exceed the total number of guests.');
			return true;
		} else {
			return false;
		}
	}
//-->