Import from DCARF SVN

include/pear/data/HTML_AJAX/js/Loading.js

@@ -0,0 +1,53 @@
+/**
+ * Default loading implementation
+ *
+ * @category	HTML
+ * @package	Ajax
+ * @license	http://www.opensource.org/licenses/lgpl-license.php  LGPL
+ * @copyright	2005 Joshua Eichorn
+ * see Main.js for license Author details
+ */
+HTML_AJAX.Open = function(request) {
+	var loading = document.getElementById('HTML_AJAX_LOADING');
+	if (!loading) {
+		loading = document.createElement('div');
+		loading.id = 'HTML_AJAX_LOADING';
+		loading.innerHTML = 'Loading...';
+		
+		loading.style.color	 = '#fff';
+		loading.style.position  = 'absolute';
+		loading.style.top   = 0;
+		loading.style.right	 = 0;
+		loading.style.backgroundColor = '#f00';
+		loading.style.border		= '1px solid #f99';
+		loading.style.width		 = '80px';
+		loading.style.padding	   = '4px';
+		loading.style.fontFamily	= 'Arial, Helvetica, sans';
+		loading.count = 0;
+	
+		document.body.insertBefore(loading,document.body.firstChild);
+	}
+	else {
+		if (loading.count == undefined) {
+			loading.count = 0;
+		}
+	}
+	loading.count++;
+	if (request.isAsync) {
+		request.loadingId = window.setTimeout(function() { loading.style.display = 'block'; },500);
+	}
+	else {
+		loading.style.display = 'block';
+	}
+}
+HTML_AJAX.Load = function(request) {
+	if (request.loadingId) {
+		window.clearTimeout(request.loadingId);
+	}
+	var loading = document.getElementById('HTML_AJAX_LOADING');
+	loading.count--;
+
+	if (loading.count == 0) {
+		loading.style.display = 'none';
+	}
+}