$(document).ready(function(){
		
		$("input#send").click(function() {
				//first_name validation

				var result = checkValidation ()
				return result;
								
		}
		);
		
}
);

function reseterrors ()
{
		$("input").css({backgroundColor:"#ffffff"});
		$("textarea").css({backgroundColor:"#ffffff"});
		
		$("span#first_name_error").html("");
		$("span#last_name_error").html("");
		$("span#email_error").html("");
		$("span#message_error").html("");
}

function checkValidation () {
		
		var firstName = $("input#first_name").val();
		var lastName = $("input#last_name").val();
		var email = $("input#email").val();
		var message = $("textarea#message").val();
		
		reseterrors ();
		
		
		
		
		var valid = true;
		
				
		if (firstName == "") 
		{
				$("input#first_name").css({backgroundColor:"#f49696"});
				valid = false;
				$("span#first_name_error").html("*required");
		}

		if (lastName == "") 
		{
				$("input#last_name").css({backgroundColor:"#f49696"});
				valid = false;
				$("span#last_name_error").html("*required");				
		}
		
		if (message == "") 
		{
				$("textarea#message").css({backgroundColor:"#f49696"});
				valid = false;
				$("span#message_error").html("*required");				
		}
		
		var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		 if(email == "")
		 { 
		 		$("input#email").css({backgroundColor:"#f49696"});
		 		valid = false;
		 		$("span#email_error").html("*required");
		 }else
		 {
		 		if(reg.test(email) == false)
		 		{ 
		 				$("input#email").css({backgroundColor:"#f49696"});
		 				valid = false;
		 				$("span#email_error").html("wrong format");
		 		}
		 }
		 
		 return valid;
		
}