fstream errors

In file included from main.cpp:20:
functions.h: In member function `void Template::Top() const':
functions.h:39: no matching function for call to `std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(std::string&)'
/usr/include/c++/3.2.2/iosfwd:86: candidates are: std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(const std::basic_ifstream<char,
   std::char_traits<char> >&)
/usr/include/c++/3.2.2/fstream:351:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream(const char*, std::_Ios_Openmode =
   std::ios_base::in) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/include/c++/3.2.2/fstream:338:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream() [with _CharT = char, _Traits =
   std::char_traits<char>]
functions.h: In member function `void Template::Bottom() const':
functions.h:47: no matching function for call to `std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(std::string&)'
/usr/include/c++/3.2.2/iosfwd:86: candidates are: std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(const std::basic_ifstream<char,
   std::char_traits<char> >&)
/usr/include/c++/3.2.2/fstream:351:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream(const char*, std::_Ios_Openmode =
   std::ios_base::in) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/include/c++/3.2.2/fstream:338:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream() [with _CharT = char, _Traits =
   std::char_traits<char>]
functions.h: In member function `void Template::Middle() const':
functions.h:55: no matching function for call to `std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(std::string&)'
/usr/include/c++/3.2.2/iosfwd:86: candidates are: std::basic_ifstream<char,
   std::char_traits<char> >::basic_ifstream(const std::basic_ifstream<char,
   std::char_traits<char> >&)
/usr/include/c++/3.2.2/fstream:351:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream(const char*, std::_Ios_Openmode =
   std::ios_base::in) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/include/c++/3.2.2/fstream:338:                 std::basic_ifstream<_CharT,
   _Traits>::basic_ifstream() [with _CharT = char, _Traits =
   std::char_traits<char>]

#ifndef functions_h
#define functions_h

int doUpdate();
int parse(const std::string& x);
int topBox();
int bottomBox();
std::string templatepath = "home/projectlinux/templates";

class Template
{
public:
  //constructors
  Template(){}
  ~Template(){}
  
  //accessors
  
  // methods
  void Top()const {
  	std::string temp;
        std::string topBit = "/home/projectlinux/public_html/templates/top.inc";
	std::ifstream ifs(topBit);
	while (!ifs.eof()) {
	std::getline(ifs, temp);
	std::cout << temp; } 
	}
  void Bottom()const{
  	std::string temp;
	std::string bottomBit = "/home/projectlinux/public_html/templates/bottom.inc";  
   	std::ifstream ifs(bottomBit);
	while (!ifs.eof()) {
	std::getline(ifs, temp);
	std::cout << temp; }
  }
  void Middle()const{
  	std::string temp;
  	std::string sourceBit = "/home/projectlinux/public_html/news.inc";
	std::ifstream ifs(sourceBit);
	while (!ifs.eof()) {
	topBox();
	std::getline(ifs, temp);
	std::cout << temp;
	bottomBox();
	}
	}
};

int topBox() {

std::string temp;
std::string place = "/" + templatepath + "/topbox.inc";
std::ifstream ifs(place.c_str());
	while (!ifs.eof()) {
	std::getline(ifs, temp);
	std::cout << temp; } 
	}
	
int bottomBox() {

std::string temp;
std::string place = "/" + templatepath + "/bottombox.inc";
std::ifstream ifs(place.c_str());
	while (!ifs.eof()) {
	std::getline(ifs, temp);
	std::cout << temp; } 
	}  
  
#endif