function swapFrameLang( frameIndex, English, Francais ) {
	// swap English and French in frame[frameIndex], if either is found

	if ( parent.frames[frameIndex].location.href.search( English ) != -1) {
	// if English is found in frame[frameIndex], replace it with Francais
		parent.frames[frameIndex].location.href = parent.frames[frameIndex].location.href.replace( English, Francais );
	} else { if ( parent.frames[frameIndex].location.href.search( Francais ) != -1) {
	// if Francais is found in frame[frameIndex], replace it with English
		parent.frames[frameIndex].location.href = parent.frames[frameIndex].location.href.replace( Francais, English );
	}} 
}

function switchLang() {
	// Switches between the english and french versions of the page
	// This assumes that the pages are in an /en/,/fr/ set of directories
	// or the page names end in En.html,Fr.html to designate language
	// Note: this will not work properly in an href where both are true:
	//       /en/testEn.html will NOT give you /fr/testFr.html

	swapFrameLang( 0, "En\.html", "Fr\.html");
	swapFrameLang( 1, "En\.html", "Fr\.html");
	//swapFrameLang( 0, '\/en\/', '\/fr\/');
	//swapFrameLang( 1, '\/en\/', '\/fr\/');

	parent.location.reload();
}