--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/static/res/js/incresize.js	Sun Dec 09 19:59:03 2012 +0100
@@ -0,0 +1,96 @@
+function IncResize()
+{
+	this.content;
+	this.top;
+	this.middle;
+	this.middleContainer;
+	this.bottom;
+	this.footer;
+	this.minTopBottomHeight;
+	this.ratio;
+	this.preMiddleSizeFunc;
+	this.postMiddleSizeFunc;
+
+	this.init = function(contantId, topId, middleId, bottomId, footerId, minTopBottomHeight, ratio, preMiddleSizeFunc, postMiddleSizeFunc)
+	{
+		this.content = $('#' + contantId);
+		if (topId != null) {
+			this.top = $('#' + topId); 			
+		}
+		this.middle = $('#' + middleId); 
+		this.middleContainer = $(this.middle).parent();
+		if (bottomId != null) {
+			this.bottom = $('#' + bottomId);
+		}
+		this.footer =  $('#' + footerId);
+		this.minTopBottomHeight = minTopBottomHeight;
+		this.ratio = ratio;
+		this.preMiddleSizeFunc = preMiddleSizeFunc;
+		this.postMiddleSizeFunc = postMiddleSizeFunc;
+
+		$(window).resize(this.resizeElements);
+		window.onorientationchange = function() {
+			incResize.resizeElements();
+		}
+	};
+
+	this.resizeElements = function()
+	{
+		var self = incResize;
+
+		// Compute maximun middle element height
+		var heightForTopMiddleBotom = $(self.content).height() - $(self.footer).height() - 70;
+		var maxMiddleHeight = heightForTopMiddleBotom - self.minTopBottomHeight * 2;
+
+		// Get the middle element parent width nad test if it is not to big (to let place for top and bottom without adding scroll bars)
+		var middleRatio = 1 / self.ratio;
+		var newMiddleWidth = $(self.middleContainer).width();
+		var newMiddleHeight = newMiddleWidth * middleRatio;
+
+		/*
+		if (newMiddleHeight > maxMiddleHeight) {
+			newMiddleHeight = maxMiddleHeight;
+			newMiddleWidth = newMiddleHeight * 1 / middleRatio;
+		}
+		*/
+
+		// Pre register the middle element size change
+		if (self.preMiddleSizeFunc !== undefined && self.preMiddleSizeFunc !== null) {
+			self.preMiddleSizeFunc(newMiddleWidth, newMiddleHeight);
+		}
+
+		// Change middle element size and the height of its parent
+		$(self.middle).attr('width', newMiddleWidth);
+		$(self.middle).attr('height', newMiddleHeight);
+		$(self.middleContainer).attr('width', newMiddleWidth);
+		$(self.middleContainer).attr('height', newMiddleHeight);
+
+		// Change children size of the middle element
+		var children = $(self.middle).children();
+		if (children.length > 0) {
+			children.attr('width', newMiddleWidth);
+			children.attr('height', newMiddleHeight);
+		}
+
+		// Post register the middle element size change
+		if (self.postMiddleSizeFunc !== undefined && self.postMiddleSizeFunc !== null) {
+			self.postMiddleSizeFunc(newMiddleWidth, newMiddleHeight);
+		}
+
+		// Change top and bottom heights
+		if (this.top != undefined && this.bottom != undefined) {
+			// Get the full height and compute heigth for top and bottom
+			var remainingHeight = $(self.content).height() - $(self.footer).height() - newMiddleHeight - 70;
+			var newOtherHeight = remainingHeight / 2.0;
+			if (newOtherHeight < self.minTopBottomHeight) {
+				newOtherHeight = self.minTopBottomHeight;
+			}
+			$(self.top).css({"height" : +newOtherHeight+'px', "lineHeight" : +newOtherHeight+'px'});
+			$(self.bottom).css({"height" : +newOtherHeight+'px', "lineHeight" : +newOtherHeight+'px'});					
+		}
+	}
+}
+
+var incResize = new IncResize();
+
+