function bookmark(url, title){
	if (window.sidebar)
	{
		// firefox
		window.sidebar.addPanel(title, url, "");
	} 
	else if(window.opera && window.print)
	{
		// opera
		var elem = document.createElement('a');
		elem.setAttribute('href',url);
		elem.setAttribute('title',title);
		elem.setAttribute('rel','sidebar');
		elem.click();
	}
	else if(document.all)
	{
		// ie
		window.external.AddFavorite(url, title);
	} 
}

function AbortEntry(sMsg, eSrc) {window.alert(sMsg); eSrc.focus();}
function HandleError(eSrc) {var val = parseInt(eSrc.value);if (isNaN(val)) return AbortEntry("Must be a number.", eSrc); if (val < 0) return AbortEntry("Number cannot be less than zero.", eSrc);}