function addHeader() {
	var thePageHeader=document.getElementById('pageHeader');
	try {
			var theHeaderToImport=document.getElementById('addToHeader');
			
			var insertedHeader=document.getElementById('pageHeader').insertBefore(document.getElementById('addToHeader'),document.getElementById('pageHeader').firstChild);
			insertedHeader.setAttribute('id', 'importedHeader');
			insertedHeader.style.display='block';
			
		}
		catch(err) {
			return;
		}
	return;
}

function addFooter() {
		try {
				var insertedFooter=document.getElementById('footer').insertBefore(document.getElementById('addToFooter'),document.getElementById('footer').firstChild);
				insertedFooter.setAttribute('id', 'importedFooter');
				insertedFooter.style.display='block';
				
				
			}
			catch(err) {
				return;
			}
	return;
}

function addOnloadEvent(fnc){
  if ( typeof window.addEventListener != "undefined" )
    window.addEventListener( "load", fnc, false );
  else if ( typeof window.attachEvent != "undefined" ) {
    window.attachEvent( "onload", fnc );
  }
  else {
    if ( window.onload != null ) {
      var oldOnload = window.onload;
      window.onload = function ( e ) {
        oldOnload( e );
        window[fnc]();
      };
    }
    else 
      window.onload = fnc;
  }
}

addOnloadEvent(addHeader);
addOnloadEvent(addFooter);