if(document.getElementById("Address")) {
			
				
			
			document.getElementById("Information_pack_by_post").onclick = function() {
				
				checkAddressDetails()
				checkPostalMethod()
			
			}
			
			
			
			document.getElementById("Information_pack_by_email").onclick = function() {
				
				checkPostalMethod()
			
			}
			
			
			
		}


function checkAddressDetails() {


	if(document.getElementById("Address").value == "" || document.getElementById("Postcode").value == "") {
		
		
		alert("you have requested an information pack to be sent by post,\nplease provide your postal address AND your postcode.")

		document.getElementById("Address").focus()
					
		return false		

	}	
	
			

	
	
}



function checkPostalMethod() {
	
	
	if(document.getElementById("Information_pack_by_post").checked && document.getElementById("Information_pack_by_email").checked ){
		
		alert("please choose either to receive your info pack\nby email OR post - not both.")
		
	
		return false		
	}	
	
	
	
	
}