function calcHeight()
{
	document.getElementById('content').height = 0;
	var the_height = 0;
	try
	{
  		//find the height of the internal page
  	the_height	= document.getElementById('content').contentWindow.document.body.scrollHeight;
  	
  }
  catch (e)
  {
  	// alert("X");
  	the_height = 0;
  }

	//alert(the_height + "X" );
  //change the height of the iframe
  
    	var height_parent;

		height_parent = parent.document.body.scrollHeight;
	//	alert("test" + hh);
		
		if (the_height < height_parent)
		{
			the_height = height_parent;
		}
  document.getElementById('content').height = the_height;
  
}