function addMembershipAmount(adder)
		{
			window.location='http://www.wpcnet.org/index_full_fix.php?page=get_involved&membership_amount='+adder;
		}
		
		function calc_donate(membership_amount, donation)
		{
			sText = signup_form.donation.value;
					var ValidChars = "0123456789.";
   				var IsNumber=true;
   				var Char;

						for (i = 0; i < sText.length && IsNumber == true; i++) 
      				{ 
      					Char = sText.charAt(i); 
      							if (ValidChars.indexOf(Char) == -1) 
         							{
         								IsNumber = false;
         								alert("You need to enter a number");
         								window.location='http://www.wpcnet.org/index_full_fix.php?page=get_involved&membership_amount='+membership_amount;
         							}
      				}
						
						if(IsNumber == false)
							{
								return false;
							}
						else
							{
								window.location='http://www.wpcnet.org/index_full_fix.php?page=get_involved&membership_amount='+membership_amount+'&donation='+donation;
								return true
								
							}
			
		}
				
				
		
		
			
		
		
		function validForm(passform)
		{
			if(passform.price.value == 0)
				{
				alert("You need to select a membership level")
				passform.price.focus()
				return false
				}
			else
				{
				return true
				}
		}
		
		function validFormNewsletter(passform)
		{
			
			if(passform.county.value=="choose")
				{
					passform.county.focus();
					alert("You need to choose a county");
					return false;
				}
			if(passform.email.value == "")
				{
				alert("You need enter an email. We will never give this out to anyone")
				passform.email.focus()
				return false
				}
			else
				{
				
				var x = passform.email.value;
				var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
				if (filter.test(x)) return true;
				else 
					{
					passform.email.value="";
					passform.email.focus();
					alert ("Enter a valid email address");
					return false;
					}


				
				}
			
		}
		
		function validFormCheckout(passform)
		{
			if(passform.name.value == "")
				{
				alert("You need to enter your name")
				passform.name.focus()
				return false
				}
			if(passform.phone.value == "")
				{
				alert("You need to enter your phone")
				passform.phone.focus()
				return false
				}
			if(passform.email.value == "")
				{
				alert("You need to enter your email. We will never give this out to anybody")
				passform.email.focus()
				return false
				}
			else
				{
				var x = passform.email.value;
				var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
						if (filter.test(x)) 
							{
								document.paypal_form.submit();
								return true
							}
					else 
							{
								alert("That is not a valid email address");
								passform.email.value="";
								passform.email.focus();
								return false
							}
						}
		}
		
		
		function validFormDonate(passform)
		{
			if(passform.price.value == "")
				{
				alert("You need to enter an amount")
				passform.price.focus()
				return false
				}
			else
				{
				sText = passform.price.value;
					var ValidChars = "0123456789.";
   				var IsNumber=true;
   				var Char;

						for (i = 0; i < sText.length && IsNumber == true; i++) 
      				{ 
      					Char = sText.charAt(i); 
      							if (ValidChars.indexOf(Char) == -1) 
         							{
         								IsNumber = false;
         								alert("You need to enter a number");
         								passform.price.value = "";
         								passform.price.focus();
         							}
      				}
						
						if(IsNumber == false)
							{
								return false;
							}
						else
							{
								
								return true
								
							}
				}
		}