// JavaScript Document
function formValidator(){
	
	var name = document.getElementById('name');
	var email = document.getElementById('email');
	var message = document.getElementById('message');
	
	if(isAlphabet(name, "Please enter only letters for your name^^")){
		
		if( emailValidation(email, "Please enter a Valid email^^") ){
			
				if(notEmpty(message, "Please enter your message, thanks^^")){
					
					return true;
					
					} // end 3rd if
			
			} // end 2nd if
		
		}// end 1st if
	
	return false;
	
	} // end function
	
	
function isAlphabet(elem, helperMsg){
	
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		
		return true;
		
		}else{
			
			alert(helperMsg);
			elem.focus();
			return false;
			
			}//end if-else
	
	}//end function
	
	
function emailValidation( elem, helperMsg ){
	
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-Z0-9]{2,4}$/;
	if( elem.value.match(emailExp) ){
		
		return true;
		
		}else{} // end if-else
	
		alert(helperMsg);
		elem.focus();
		return false;
	
	}//end function
	
	function notEmpty( elem, helperMsg ){
		
		if( elem.value.length == 0 ){
			
			alert(helperMsg);
			elem.focus();
			return false;
			
			}else{
				
				return true;
				
				}
		
		} // end function