$(document).ready(function(){
	//global vars  
	var form = $("#contact_us");  
	var name = $("#name"); 
	var email = $("#email");
	var company = $("#company");
	var address = $("#address");
	var city = $("#city");
	var state = $("#state");
	var zip = $("#zip");
	var phone = $("#phone");
	var area = $("#area");
	var message = $("#message_input");
	var tip = $('span#messagetip');
	
	//On blur  
	name.blur(validateName);  
	email.blur(validateEmail);
	//On key press  
	name.keyup(validateName); 

	//On Submitting  
	form.submit(function(){  
	    if(validateName() & validateEmail())  
	        return true  
	    else  
	        return false;  
	});
	
	function validateName(){ 
	    if(name.val().length < 4){  
	        name.addClass("error");  
	        tip.text("Name must contain more than 3 letters!");  
	        tip.addClass("errormessage");  
	        return false;  
	    } else {
		 	name.removeClass("error");
			tip.removeClass("errormessage"); 
			tip.text("");
	        return true;  
	    }  
	}
	function validateEmail(){
		//testing regular expression
		var a = $("#email").val();
		var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;
	
		if(filter.test(a)){
			email.removeClass("error");
			tip.removeClass("errormessage"); 
			tip.text("");
			return true;
		} else {
			email.addClass("error");
			tip.text("Please type a valid e-mail");
			tip.addClass("errormessage");
			return false;
		}
	}
	
});