function loadframe(locbody, locmenu)
{
	document.getElementById('main_frame').src='./body/'+locbody;
}



function calcHeight()
	{
		//set the default height
		document.getElementById('main_frame').height=200;
  	//find the height of the internal page
  	var the_height= document.getElementById('main_frame').contentWindow.document.body.scrollHeight;
  	if(the_height < 470)
  	{
  		the_height = 470;
  	}
		//change the height of the iframe
 		document.getElementById('main_frame').height=the_height;
 		document.getElementById('main_container').style.height=the_height+220+"px";
	}