var lfStart = false;
var lfTimer;
var lfFlag = false;

function content_switch(lang) {
	
	var content_visi;
	var content_hideA;
	var content_hideB;
	var content_hideC;
	var content_hideD;
	
	if (f==undefined && lfStart) {
		clearInterval(lfTimer);
		lfStart = false;
	}
	
	if (lang=="aE" || lang=="AE") {
		content_visi="aE";
		content_hideA="p";
		content_hideB="m";
		content_hideC="aJ";
		content_hideD="aF";
	}
	if (lang=="aJ" || lang=="AJ") {
		content_visi="aJ";
		content_hideA="p";
		content_hideB="m";
		content_hideC="aE";
		content_hideD="aF";
	}
	if (lang=="aF" || lang=="AF") {
		content_visi="aF";
		content_hideA="p";
		content_hideB="m";
		content_hideC="aE";
		content_hideD="aJ";
	}
	if (lang=="m" || lang=="M") {
		content_visi="m";
		content_hideA="aE";
		content_hideB="p";
		content_hideC="aJ";
		content_hideD="aF";
	} else if (lang=="p" || lang=="P") {
		content_visi="p";
		content_hideA="aE";
		content_hideB="m";
		content_hideC="aJ";
		content_hideD="aF";
	}
	
	for (var i=0; i < document.getElementsByTagName("span").length; i++) {
		var content_span = document.getElementsByTagName("span").item(i);
		 if (content_span.id == content_visi) {
		 	content_span.style.visibility = "visible";
		} if (content_span.id == content_hideA) {
			content_span.style.visibility = "hidden";
		} if (content_span.id == content_hideB) {
			content_span.style.visibility = "hidden";
		} if (content_span.id == content_hideC) {
			content_span.style.visibility = "hidden";
		} else if (content_span.id == content_hideD) {
			content_span.style.visibility = "hidden";
		}
	}
}