sets the dock badge in Fluid, with resistant to back buttons.

setDockBadge.js

	var fluidHoster = window;
	var fluidIframe = null;
	var fluidQueuedText = null;
	function setDockBadge(text) {
		if ('fluid' in window) {
			try {
				if (fluidHoster == null) {
					fluidQueuedText = text;
				} else {
					fluidHoster.fluid.dockBadge = text;
				}
			} catch (e) {
				fluidHoster = null;
				fluidQueuedText = text;
				if (fluidIframe != null && fluidIframe.parentNode) {
					fluidIframe.parentNode.removeChild(fluidIframe);
				}
				var iframe = fluidIframe = document.createElement('iframe');
				iframe.onload = function() {
					fluidHoster = iframe.contentWindow;
					fluidHoster.fluid.dockBadge = fluidQueuedText;
				};
				iframe.src = 'about:blank';
				iframe.style.display = 'none';
				document.body.appendChild(iframe);
			}
		}
	}