diff --git a/core/css/styles.css b/core/css/styles.css
index 677d44658e..1fc958940c 100644
--- a/core/css/styles.css
+++ b/core/css/styles.css
@@ -56,7 +56,14 @@ input[type="submit"].highlight{ background:#ffc100; border:1px solid #db0; text-
 /* CONTENT ------------------------------------------------------------------ */
 #controls { padding: 0 0.5em; width:100%; top:3.5em; height:2.8em; margin:0; background:#f7f7f7; border-bottom:1px solid #eee; position:fixed; z-index:50; -moz-box-shadow:0 -3px 7px #000; -webkit-box-shadow:0 -3px 7px #000; box-shadow:0 -3px 7px #000; }
 #controls .button { display:inline-block; }
-#content { top:3.5em; left:64px; position: absolute; }
+#content { 
+	height: 100%; 
+	width: 100%;
+	padding-top: 3.5em;
+	padding-left: 64px;
+	box-sizing: border-box;
+	-moz-box-sizing: border-box;
+}
 #leftcontent, .leftcontent { position:fixed; overflow: auto; top:6.4em; width:20em; background:#f8f8f8; border-right:1px solid #ddd; }
 #leftcontent li, .leftcontent li { background:#f8f8f8; padding:.5em .8em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; -webkit-transition:background-color 200ms; -moz-transition:background-color 200ms; -o-transition:background-color 200ms; transition:background-color 200ms; }
 #leftcontent li:hover, #leftcontent li:active, #leftcontent li.active, .leftcontent li:hover, .leftcontent li:active, .leftcontent li.active { background:#eee; }
diff --git a/core/js/js.js b/core/js/js.js
index c5e32f3c27..3bc988a2b6 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -464,44 +464,8 @@ function object(o) {
 }
 
 
-/**
- * Fills height of window. (more precise than height: 100%;)
- */
-function fillHeight(selector) {
-	if (selector.length === 0) {
-		return;
-	}
-	var height = parseFloat($(window).height())-selector.offset().top;
-	selector.css('height', height + 'px');
-	if(selector.outerHeight() > selector.height()){
-		selector.css('height', height-(selector.outerHeight()-selector.height()) + 'px');
-	}
-}
-
-/**
- * Fills height and width of window. (more precise than height: 100%; or width: 100%;)
- */
-function fillWindow(selector) {
-	if (selector.length === 0) {
-		return;
-	}
-	fillHeight(selector);
-	var width = parseFloat($(window).width())-selector.offset().left;
-	selector.css('width', width + 'px');
-	if(selector.outerWidth() > selector.width()){
-		selector.css('width', width-(selector.outerWidth()-selector.width()) + 'px');
-	}
-}
-
 $(document).ready(function(){
 
-	$(window).resize(function () {
-		fillHeight($('#leftcontent'));
-		fillWindow($('#content'));
-		fillWindow($('#rightcontent'));
-	});
-	$(window).trigger('resize');
-
 	if(!SVGSupport()){ //replace all svg images with png images for browser that dont support svg
 		replaceSVG();
 	}else{