1 files changed, 37 insertions, 0 deletions
diff --git a/js/threadscroll.js b/js/threadscroll.js
new file mode 100644
index 00000000..0a233f58
--- /dev/null
+++ b/js/threadscroll.js
@@ -0,0 +1,37 @@
+if(active_page == "index" || active_page == "ukko"){
+	var hoverElem = null;
+	
+	$(document).mouseover(function(e){
+		var x = e.clientX, y = e.clientY,
+			elementOnMouseOver = document.elementFromPoint(x, y);
+			hoverElem = $(elementOnMouseOver);
+	});
+	
+	$(document).keydown(function(e){
+		//Up arrow
+		if(e.which == 38){
+			var ele = hoverElem;
+			var par = $(ele).parents('div[id^="thread_"]');
+			
+			if(par.length == 1){
+				if(par.prev().attr("id") != null){
+					if(par.prev().attr("id").match("^thread")){
+						par.prev()[0].scrollIntoView(true);
+					}
+				}
+			}
+		//Down arrow
+		}else if(e.which == 40){
+			var ele = hoverElem;
+			var par = $(ele).parents('div[id^="thread_"]');
+			
+			if(par.length == 1){
+				if(par.next().attr("id") != null){
+					if(par.next().attr("id").match("^thread")){
+						par.next()[0].scrollIntoView(true);
+					}
+				}
+			}
+		}
+	});
+}