function checkForm()
{
var Quantity = document.getElementById("feQuantity");
var Q1=document.getElementById("Q1");
var Q2=document.getElementById("Q2");
var Q3=document.getElementById("Q3");
var Q4=document.getElementById("Q4");
var P1=document.getElementById("P1");
var P2=document.getElementById("P2");
var P3=document.getElementById("P3");
var P4=document.getElementById("P4");
var Special= document.getElementById("Special");
var PromoPrice= document.getElementById("PromoPrice");
var levelSession= document.getElementById("levelSession");

if ((!IsNumeric(Quantity.value)) || Quantity.value == '') {
	alert('Please enter a numeric value in the quantity field');
	Quantity.value = Q1.value;
	document.getElementById("feQuantity").focus()
	return false;
	}
	else if(parseInt(Quantity.value) < parseInt(Q1.value)) {
	alert('To order this item, you need to order a minimum quantity of ' + Q1.value + '.\n Please ensure that you order at least this many, or choose a different item.');
	document.getElementById("feQuantity").focus()
	return false;
	}
	
	if(PromoPrice.value == ''){
		if(levelSession.value == '3'){
	    	document.getElementById("lastPrice").value = document.getElementById("P4").value;
		}
		else{
 		if(parseInt(Quantity.value) >= parseInt(Q4.value)){
	    	document.getElementById("lastPrice").value = document.getElementById("P4").value;
		}
		else if(parseInt(Quantity.value) >= parseInt(Q3.value)){
	         document.getElementById("lastPrice").value = document.getElementById("P3").value;
		}
		else if(parseInt(Quantity.value) >= parseInt(Q2.value)){
	         document.getElementById("lastPrice").value = document.getElementById("P2").value;
		}
		else {
	         document.getElementById("lastPrice").value = document.getElementById("P1").value;
		}
		}
	}
	else{
	   document.getElementById("lastPrice").value = document.getElementById("PromoPrice").value;
	   P1.value = document.getElementById("PromoPrice").value;
	   P2.value = document.getElementById("PromoPrice").value;
	   P3.value = document.getElementById("PromoPrice").value;
	   P4.value = document.getElementById("PromoPrice").value;
	}
	return true;
}
function OrderSample()
{
var Quantity = document.getElementById("feQuantity");
var Q1=document.getElementById("Q1");
var Q2=document.getElementById("Q2");
var Q3=document.getElementById("Q3");
var Q4=document.getElementById("Q4");
var P1=document.getElementById("P1");
var P2=document.getElementById("P2");
var P3=document.getElementById("P3");
var P4=document.getElementById("P4");
var Name=document.getElementById("Name");
var PromoPrice= document.getElementById("PromoPrice");
var Special= document.getElementById("Special");
var levelSession= document.getElementById("levelSession");


	Quantity.value = 1;
	Q1.value = 1;
	Q2.value = 1;
	Q3.value = 1;
	Q4.value = 1;
	Name.value=document.getElementById("Name").value+' (Sample)';

	
	if(PromoPrice.value == ''){
	         document.getElementById("lastPrice").value = document.getElementById("P1").value;
			 P1.value = document.getElementById("P1").value;
			 P2.value = document.getElementById("P1").value;
			 P3.value = document.getElementById("P1").value;
			 P4.value = document.getElementById("P1").value;
	}
	else{
	   document.getElementById("lastPrice").value = document.getElementById("PromoPrice").value;
		P1.value = document.getElementById("PromoPrice").value;
		P2.value = document.getElementById("PromoPrice").value;
		P3.value = document.getElementById("PromoPrice").value;
		P4.value = document.getElementById("PromoPrice").value;
	}
	return true;
}