// Для фотогалереи-1: photogallery.php
  var i=1;
  
  function change_pic(new_im)
   { src_new = '../pictures/' + new_im;
     document.all['big_photo'].src=src_new;
   };
   
   function change_pic2(r1,r2,r3) // функция для "дальше вперёд"
   { i++; ar_r = 0; ar_l = 0;
     if (i==1) {src_new = '../pictures/'+r1; ar_l = 0; ar_r = 1;};
	 if (i==2) {src_new = '../pictures/'+r2; ar_l = 1; ar_r = 1;};
	 if (i==3)
	  { ar_l = 1; ar_r = 0;
	    src_new = '../pictures/'+r3;
	   };
	 document.all['big_photo'].src=src_new;
	 if (ar_r==0)
	  {document.all['ar_right'].src='images/none.gif';
	  }
	 else { document.all['ar_right'].src='images/ar_right.gif';
	       }
	if (ar_l==0)
	  {document.all['ar_left'].src='images/none.gif';
	  }
	 else { document.all['ar_left'].src='images/ar_left.gif';
	       }
	document.all['right_a'].blur();
   };
   
    function change_pic3(r1,r2,r3)  // функция для "назад"
   { i--; ar_r = 0; ar_l = 0;
     if (i==1) {src_new = '../pictures/'+r1; ar_l = 0; ar_r = 1;};
	 if (i==2) {src_new = '../pictures/'+r2; ar_l = 1; ar_r = 1;};
	 if (i==3)
	  { ar_l = 1; ar_r = 0;
	    src_new = '../pictures/'+r3;
	    i=1;
	   };
	 document.all['big_photo'].src=src_new;
	 if (ar_r==0)
	  {document.all['ar_right'].src='images/none.gif';
	  }
	 else { document.all['ar_right'].src='images/ar_right.gif';
	       }
	if (ar_l==0)
	  {document.all['ar_left'].src='images/none.gif';
	  }
	 else { document.all['ar_left'].src='images/ar_left.gif';
	       }
    document.all['left_a'].blur();
   };