// JavaScript Document
function checkCallbackForm()
{
	firstname = document.getElementById("fname");
	surname = document.getElementById("sname");
	telephone = document.getElementById("telephone");
	etelephone = document.getElementById("etelephone");
	moreinfo = document.getElementById("moreinfo");
	var isNum = new RegExp("^[0-9]+$");
	
	if (firstname.value == ''||firstname.value ==null){
		alert("Please enter your firstname");
		firstname.focus();
		return false;		
	}  
	if (surname.value ==''||surname.value == null){
		alert("Please enter your surname");
		surname.focus();
		return false;
	}
	if (telephone.value == ''||telephone.value == null){
		alert("Please enter the telephone number you wish to be contacted at");
		telephone.focus();
		return false;
	}
	
	if (!telephone.value.match(isNum)){
		alert("Please enter numbers only for the telephone number");
		telephone.focus();
		return false;
	}
	
	if (telephone.value.length > 20 ){
		alert("The telephone number entered is too long");
		telephone.focus();
		return false;
	}
	
	if (etelephone.value == ''||etelephone.value == null){
		alert("Please enter the best contact telephone number you wish to be contacted at");
		etelephone.focus();
		return false;
	}
	if (!etelephone.value.match(isNum)){
		alert("Please enter numbers only for the best contact telephone number");
		etelephone.focus();
		return false;
	}
	
	if (etelephone.value.length > 20 ){
		alert("The best contact telephone number entered is too long");
		etelephone.focus();
		return false;
	}
	
	if (moreinfo.value.length > 200 ){
		alert("The note entered is too long");
		moreinfo.focus();
		return false;
	}
	
		return true;
}