var isDOM      = (typeof(document.getElementsByTagName) != 'undefined'
					  && typeof(document.createElement) != 'undefined')
				   ? 1 : 0;
	var isIE4      = (typeof(document.all) != 'undefined'
					  && parseInt(navigator.appVersion) >= 4)
				   ? 1 : 0;
	var isNS4      = (typeof(document.layers) != 'undefined')
				   ? 1 : 0;
	var capable    = (isDOM || isIE4 || isNS4)
				   ? 1 : 0;
	// Uggly fix for Opera and Konqueror 2.2 that are half DOM compliant
	if (capable) {
		if (typeof(window.opera) != 'undefined') {
			capable = 0;
		}
		else if (typeof(navigator.userAgent) != 'undefined') {
			var browserName = ' ' + navigator.userAgent.toLowerCase();
			if (browserName.indexOf('konqueror') > 0) {
				capable = 0;
			}
		} // end if... else if...
	} // end if