function swapImg(id, img){
	var element	= document.getElementById(id);
	element.src	= img;
}
function swapBKGimg(id, img){
	var element	= document.getElementById(id);
	element.style.backgroundImage	= "url("+img+")";
}
function popUpWindow(popupURL,w,h){
	var popup = window.open(popupURL,"window","toolbar=no,location=no,status=yes,menubar=yes,scrollbars=no,width="+w+",height="+h+",resizable=yes" );
}