ROD grid rerender cause scroll jumps and scroll size desync

	<script><![CDATA[   
	zk.afterLoad('zul.grid', function() {
		var xColumn = {};
		zk.override(zul.grid.Column.prototype, xColumn ,{
			setWidth : function(w) {
				this.handleWidth(w);
			},
			handleWidth(wd){
				var wgt = this,
					mesh = wgt.getMeshWidget(),
					hdfaker = mesh.ehdfaker,
					bdfaker = mesh.ebdfaker,
					ftfaker = mesh.eftfaker,
					cidx = zk(wgt.$n()).cellIndex();

					if(hdfaker == null){
						return;
					}
				
				var hdcols = hdfaker.childNodes,
					bdcols = bdfaker.childNodes,
					ftcols = ftfaker ? ftfaker.childNodes : null;

				//1. store resized width
				// B70-ZK-2199: convert percent width to fixed width
				var wds = [];
				for (var w = mesh.head.firstChild, i = 0; w; w = w.nextSibling, i++) {
					var stylew = hdcols[i].style.width,
						origWd = w._origWd, // ZK-1022: get original width if it is shrinked by Frozen.js#_doScrollNow
						isFixedWidth = stylew && stylew.indexOf('%') < 0;

					if (origWd) {
						if (isFixedWidth && zk.parseFloat(stylew) > 1) {
							origWd = stylew; // use the latest one;
						}
						w._width = wds[i] = origWd;
					} else {
						wds[i] = isFixedWidth ? stylew : jq.px0(w.$n().offsetWidth);
						if (w.isVisible()) w._width = wds[i];
					}
					if (!isFixedWidth) {
						hdcols[i].style.width = bdcols[i].style.width = wds[i];
						if (ftcols) //ZK-2769: Listfooter is not aligned with listhead on changing width
							ftcols[i].style.width = wds[i];
					}

					// reset hflex, Bug ZK-2772 - Misaligned Grid columns
					var wdInt = zk.parseInt(wds[i]);
					if (w._hflexWidth) {
						w.setHflex_(null);
						w._hflexWidth = undefined;
					}
					if (mesh._minWd) {
						mesh._minWd.wds[i] = wdInt;
					}
				}


				//2. set resized width to colgroup col
				if (!wgt.origWd)
					wgt._width = wds[cidx] = wd;
				hdcols[cidx].style.width = bdcols[cidx].style.width = wd;
				if (ftcols) //ZK-2769: Listfooter is not aligned with listhead on changing width
					ftcols[cidx].style.width = wd;

				//3. clear width=100% setting, otherwise it will try to expand to whole width
				mesh.eheadtbl.width = '';
				mesh.ebodytbl.width = '';
				if (mesh.efoottbl)
					mesh.efoottbl.width = '';

				delete mesh._span; //no span!
				delete mesh._sizedByContent; //no sizedByContent!
				for (var w = mesh.head.firstChild; w; w = w.nextSibling)
					w.setHflex_(null); //has side effect of setting w.$n().style.width of w._width

				wgt.parent.fire('onColSize', zk.copy({
					index: cidx,
					column: wgt,
					width: wd ,
					widths: wds
				}, null), null, 0);

				// bug #2799258 in IE, we have to force to recalculate the size.
				mesh.$n()._lastsz = null;

				// for the test case of B70-ZK-2290.zul, we need to put the width back.
				if (!zk.webkit) {
					mesh.eheadtbl.width = '100%';
					mesh.ebodytbl.width = '100%';
					if (mesh.efoottbl)
						mesh.efoottbl.width = '100%';
				}
				// bug #2799258
				zUtl.fireSized(mesh, -1); //no beforeSize
			}
		});//zk.override
	});//zk.afterLoad
	]]></script>