function _setupBrowser() {
		//set the browser for CSS attribute selectors. do not move this to the onload function because Safari does not
		//use the classes
		var html = document.documentElement;
		var b = Device.browser;
		var id = b.name;
		if (id) {
			if (id === b.BROWSER.SAFARI && b.mobile) {
				id = "m" + id;
			}
			id = id + (b.version === -1 ? "" : Math.floor(b.version));
			html.dataset.sapUiBrowser = id;
			Log.debug("Browser-Id: " + id, null, "sap.ui.core.boot");
		}
	}
Set the body's browser-related attributes.
@private