#include <iostream.h>

class node
{
public:
	node();
	~node();
	node * addTail(node * an);
	node * addChTail(node * an);
	virtual void Print()=0;
	int settab(int at)
	{
	 tabulacje = at;
	 return 0;
	}
	void wcinaj();
public:
	node * pnext;
	node * pfchild;
protected:
	int tabulacje;
};



class node_a:public node{
public:
void Print();
};

class node_b:public node{
public:
void Print();
};

class html_doc:public node{
public:
	html_doc(){
	settab(0);};
	~html_doc();
	void Print();
};

class html_center:public node{
public:
  html_center();
 ~html_center(); 
  void Print();
private: 
 int a;
};  

class html_item0:public node{
public:
	html_item0(){text = 0;};
	html_item0(char *at);
	~html_item0(); //zwalnia pamiec
	char *settext(char*); //ustawia pamiec
	void Print();
private:
	char *text;
};