prevent the browsing from overwriting the requestobject, before the answer is received

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1764 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/js/Index.js

@@ -1,47 +1,46 @@
-
-function AllSnippets() {		
-    var query = document.getElementsByName("former")[0].value;
-    
-	var span = document.getElementsByTagName("span");
-	for(var x=0;x<span.length;x++) {
-		if (span[x].className == 'snippetLoading') {
-				var url = document.getElementById("url" + span[x].id);
-				requestSnippet(url,query);
-		}
-	}
-}
-
-
-function requestSnippet(url, query){
-	var req=createRequestObject();
-	req.open('get', '/xml/snippet.xml?url=' + escape(url) + '&search=' + escape(query),true);
-	req.onreadystatechange = function () {handleState(req)};
-	req.send(null);
-}
-
-function handleState(req) {
-    if(req.readyState != 4){
-		return;
-	}
-	
-	var response = req.responseXML;
-	
-	var snippetText = response.getElementsByTagName("text")[0].firstChild.data;
-	var urlHash = response.getElementsByTagName("urlHash")[0].firstChild.data;
-	var status = response.getElementsByTagName("status")[0].firstChild.data;
-	
+function AllSnippets() {
+    var query = document.getElementsByName("former")[0].value;
+    
+	var span = document.getElementsByTagName("span");
+	for(var x=0;x<span.length;x++) {
+		if (span[x].className == 'snippetLoading') {
+				var url = document.getElementById("url" + span[x].id);
+				requestSnippet(url,query);
+		}
+	}
+}
+
+
+function requestSnippet(url, query){
+	var req=createRequestObject();
+	req.open('get', '/xml/snippet.xml?url=' + escape(url) + '&search=' + escape(query),false);
+	req.onreadystatechange = function () {handleState(req)};
+	req.send(null);
+}
+
+function handleState(req) {
+    if(req.readyState != 4){
+		return;
+	}
+	
+	var response = req.responseXML;
+	
+	var snippetText = response.getElementsByTagName("text")[0].firstChild.data;
+	var urlHash = response.getElementsByTagName("urlHash")[0].firstChild.data;
+	var status = response.getElementsByTagName("status")[0].firstChild.data;
+	
 	var span = document.getElementById(urlHash)
-	removeAllChildren(span);
+	removeAllChildren(span);
 	//span.removeChild(span.firstChild);
-	
-	if (status < 11) {
-		span.className = "snippetLoaded";
+	
+	if (status < 11) {
+		span.className = "snippetLoaded";
 		//span.setAttribute("class", "snippetLoaded");
-	} else {
-		span.className = "snippetError";
-		//span.setAttribute("class", "snippetError");
-	}
-	
-	var snippetNode = document.createTextNode(snippetText);
-	span.appendChild(snippetNode);
-}
+	} else {
+		span.className = "snippetError";
+		//span.setAttribute("class", "snippetError");
+	}
+	
+	var snippetNode = document.createTextNode(snippetText);
+	span.appendChild(snippetNode);
+}