function menuswap(lefthtmlfile, righthtmlfile) {

	loadtextMove(lefthtmlfile+'.html','PageContent');

	loadtextMove(righthtmlfile+'.html','RightPageContent');

}



function contentswap(content1,content2) {

	document.getElementById(content1).style.display='none';

	document.getElementById(content2).style.display='block';

}