// JavaScript Document
function rotateBg(ln){
	fileName = Math.floor(Math.random( ) * 16 - 1 + 1) + 1 + ".jpg";
	if(ln == "en"){
		document.getElementById("rotatingBackground").style.backgroundImage = "url(/images/english_site/" + fileName + ")";
	}
	else if(ln == "fa"){
		document.getElementById("rotatingBackground").style.backgroundImage = "url(/images/farsi_site/" + fileName + ")";
	}
}