$('form').submit(function(){
		var firstname = document.getElementById('firstname').value;
		var lastname = document.getElementById('lastname').value;
		var email = document.getElementById('email').value;
		var enquiry = document.getElementById('message').value;
		var message ="";
		
		if(firstname != "" && lastname != ""){
			var pattern = /\W/
			//Checks for non-alphanumeric characters
			if(pattern.test(firstname) && pattern.test(lastname)){
				message += "Non alpanumeric characters no allowed in names.\n";
			}
		}else{
			message += "Please enter your first and last name.\n";
		}
		
		//Email validation
		if(email != ""){
			apos=email.indexOf("@");
			dotpos=email.lastIndexOf(".");
			if (apos<1||dotpos-apos<2)
				{
					message += "Please check your email address.\n";
				}
		}else{
			message += "Please enter your email address.\n";
		}
		
		if(enquiry == ""){
			message += "Enquiry cannot be blank.\n";
		}
		
		if(message != ""){
			alert(message);
			return false;
		}else{
			return true;
		}
});