function show_hide(x){
	if(document.getElementById(x).style.display == 'none'){
		document.getElementById(x).style.display = '';
	}
	else{
		document.getElementById(x).style.display = 'none';
	}
}

var popupHelpWindow;

function show_popup_help(topic) {
	// Show Twitter Connect Window
	if( popupHelpWindow != undefined ) {
		popupHelpWindow.close();
	}
	popupHelpWindow = 
window.open("/popup_help/popup_help.php?topic="+topic,null,"height=550,width=405,status=no,toolbar=no,menubar=no,location=no");
	popupHelpWindow.focus();
	return false;
}