function SwapTabs() {
//	var idlist = new Array('tab1focus','tab2focus','tab3focus','tab4focus','tab1ready','tab2ready','tab3ready','tab4ready','content1','content2','content3','content4');
	if(arguments.length < 1) return;
	for(var i = 0; i < idlist.length; i++) {
		var block = false;
		for(var ii = 0; ii < arguments.length; ii++) {
			if(idlist[i] == arguments[ii]) {
				block = true;
				break;
			}
		}
		document.getElementById(idlist[i]).style.display = (block? 'block' : 'none');
	}
}