求高手看看全局变量那里错了
											varForm1: TForm1;
type
bancai=^bc; //板材的数据结构
bc=record
long:real;
width:real;
x1:real;
y:real;
page:integer;
next:bancai;
end
p,q,:bancai;
implementation
{$R *.dfm}
 2013-05-16 10:07
	    2013-05-16 10:07
   2013-05-16 14:33
	    2013-05-16 14:33
   2013-05-17 21:21
	    2013-05-17 21:21
   2013-05-18 16:44
	    2013-05-18 16:44