$(document).ready(function(){	
	$("#bebek").click( function () { 
	
	var deger = $(this).val(); 
	var total_deger = $("#total").val() ;
	
	if(document.getElementById("bebek").checked==true){
		var son_total = Number(total_deger) + Number(deger) ;
	 }else{
	 	var son_total = Number(total_deger) - Number(deger) ;
	 }
	 
	  $("#total").val(son_total) ;
    });
	
	$("#lastik_cam").click( function () { 
	
	var deger = $(this).val(); 
	var total_deger = $("#total").val() ;
	
	if(document.getElementById("lastik_cam").checked==true){
		var son_total = Number(total_deger) + Number(deger) ;
	 }else{
	 	var son_total = Number(total_deger) - Number(deger) ;
	 }
	 
	  $("#total").val(son_total) ;
    });
	
	$("#navigasyon").click( function () { 
	
	var deger = $(this).val(); 
	var total_deger = $("#total").val() ;
	
	if(document.getElementById("navigasyon").checked==true){
		var son_total = Number(total_deger) + Number(deger) ;
	 }else{
	 	var son_total = Number(total_deger) - Number(deger) ;
	 }
	 
	  $("#total").val(son_total) ;
    });
	
	$("#eksofor").click( function () { 
	
	var deger = $(this).val(); 
	var total_deger = $("#total").val() ;
	
	if(document.getElementById("eksofor").checked==true){
		var son_total = Number(total_deger) + Number(deger) ;
	 }else{
	 	var son_total = Number(total_deger) - Number(deger) ;
	 }
	 
	  $("#total").val(son_total) ;
    });

});	

function test(){

if(alis_sehir == donus_sehir){
}
}