function resize_region(id1,id2)
{

var left = document.getElementById(id1);
var right = document.getElementById(id2);
var wrap_info = document.getElementById('wrap_info');
var wrap_info_big = document.getElementById('wrap_info_bottom_id');
var info2_inside = document.getElementById('info2_inside');
var page_wrap = document.getElementById('page_wrap');

var left_height = left.offsetHeight;
var right_height = right.offsetHeight;
var wrap_info_height = wrap_info.offsetHeight;
var wrap_info_big_height = wrap_info_big.offsetHeight;
var info2_inside_height = info2_inside.offsetHeight;

var rtoheight = parseInt(info2_inside_height) + 38 + parseInt(wrap_info_height);


if (rtoheight > right_height) {
   var lheight = parseInt(left_height);
   var different1 = lheight - 42;  
   page_wrap.style.height = different1 + 'px'; 
}
else {
  var rheight = parseInt(right_height);
  left.style.height = rheight + 'px'; 
  var different = rheight - parseInt(wrap_info_height) - 10;  
 
  wrap_info_big.style.height = different + 'px';
   
}

return false;	
}