function setContent(page) {
	// display content
	window.parent.frames['content'].location.search = "?page=" + page;
}

function setNavigation(page) {
	// display content
	window.parent.frames['navigation'].location.search = "?page=" + page;
}

function setHead(page) {
	// display content
	window.parent.frames['head'].location.search = "?page=" + page;
}

function setBottom(page) {
	// display content
	window.parent.frames['bottom'].location.search = "?page=" + page;
}

function setAll(page) {
	// reload all frames
	setContent(page);
	setNavigation(page);
	setHead(page);
	setBottom(page);
}



function setLanguage(language, page) {
	window.parent.location.search = "?language=" + language + "&page=" + page;
}