function valForm() {	  
			if(!valid_required(document.myform.name.value)) {
				alert("First Name is required")
				return false
			}
			
			if(!valid_required(document.myform.postcode.value)) {
				alert("Post Code is required")
				return false
			}
			
			if(!validEmail(document.myform.email.value)) {
				return false
			}
		
			if(!validPhone(document.myform.telephone.value)) {
				return false
			}
		return true
	}

	function validPhone(aphone) {
		var valid = "0123456789";
		if(aphone=="") {
			alert("Phone number is required.")
			return false
		}
		
		if(aphone.length != 11) {
			alert("Invalid phone number.")
			return false
		}
			
		for (var i=0; i < aphone.length; i++){
			temp = "" + aphone.substring(i, i+1);
			if (valid.indexOf(temp) == "-1") {
				alert("Invalid characters used.")
				return false;
			}
		}
	return true
	}

	function valid_required(field){
		if(field=="") {
			return false;
		}
	return true;
	}


	function validEmail(email){
		if(email=="") {
			alert("Email is required.")
			return false
		}		
		len = email.length		
		if(email.charAt(1)=='@') {
			alert("Invalid Email Please try again!")
			return false
		}
		if(email.charAt(len-2)=='@') {
			alert("Invalid Email Please try again!")
			return false
		}		
		count=0
		dotcount=0
		for (i=0; i< email.length; i++){
			if(email.charAt(i)=='@')
				count++
		}
		if(count !=1){
			 alert("Invalid Email Please try again!")
			 return false
		}		
	return true
	}