Confirm JavaScript

I have Web form generated from CRM web Application. this form is to collected the leads and send them to CRM system I want to prompt the user using JavaScript to confirm or review the data . but my problem the form will still send the data even if the user click “cancel”. thank you for your help

	$('input[name$="save"]').click(function () {
			  var answer = confirm('Are you sure you want to send the lead?');
                if (answer==true ) {
				if(answer == false)
					alert("Please review!");

It seems that you are using jQuery, this should help you .

thnaks for Help