<script><![CDATA[
	zk.afterLoad('zul.mesh', function() {
		var xMeshWidget = {};
		zk.override(zul.mesh.MeshWidget.prototype, xMeshWidget ,{
			_adjSpanWd: function () { //used in HeadWidgets
				if (!this._isAllWidths() || !this.isSpan())
					return;
				var hdfaker = this.ehdfaker,
					bdfaker = this.ebdfaker,
					ftfaker = this.eftfaker;
				if (!hdfaker || !bdfaker)
					return;
	
				var head = this.head.$n();
				if (!head)
					return;
				this._calcMinWds();
				var wd,
					wds = [],
					width = 0,
					hdcol = hdfaker.firstChild,
					bdcol = bdfaker.firstChild,
					_minwds = this._minWd.wds,
					hdlen = this.head.nChildren;
	
				for (var temphdcol = hdcol, w = this.head.firstChild, i = 0; w; w = w.nextSibling, i++) {
					if (zk(temphdcol).isVisible(true)) {
						var wdh = w._width;
	
						if (w._hflex == 'min')
							wd = wds[i] = _minwds[i];
						else if (wdh && wdh.endsWith('px'))
							wd = wds[i] = zk.parseInt(wdh);
						else
							wd = wds[i] = _minwds[i];
	
						width += wd;
					}
					temphdcol = temphdcol.nextSibling;
				}
	
				var	ftcol = ftfaker ? ftfaker.firstChild : null,
					total = this.ebody.clientWidth,
					extSum = total - width,
					count = total,
					visj = -1,
					tblWidth = 0; //refix B70-ZK-2394: should sync colgroup width with table width
	
				 //span to all columns
				if (this._nspan < 0) {
	
	
					var hasFrozenScrolled = this.frozen && this.frozen.getStart();
					for (var i = 0; hdcol && i < hdlen; hdcol = hdcol.nextSibling, i++) {
						// ZK-2222: should check visibility
						if (!zk(hdcol).isVisible(true)) {
							bdcol = bdcol.nextSibling;
							if (ftcol)
								ftcol = ftcol.nextSibling;
							continue;
						} else {
	
							// for bug ZK-2772, we don't span it when frozen column has scrolled.
		                    // Instead, we use its faker width.
							if (hasFrozenScrolled) {
								if (extSum <= 0) {
									wds[i] = wd = wds[i];
								} else {
									if (hdcol.style.width) {
										wds[i] = wd = zk.parseInt(hdcol.style.width);
									} else {
										wds[i] = wd = Math.round(((wds[i] * total / width) + 0.5) || 0);
									}
								}
							} else {
								wds[i] = wd = extSum <= 0 ? wds[i] : Math.round(((wds[i] * total / width) + 0.5) || 0);
							}
							var stylew = jq.px0(wd);
							count -= wd;
							visj = i;
	
							hdcol.style.width = stylew;
							bdcol.style.width = stylew;
							tblWidth += wd; //refix B70-ZK-2394: store each col's width
							bdcol = bdcol.nextSibling;
	
							if (ftcol) {
								ftcol.style.width = stylew;
								ftcol = ftcol.nextSibling;
							}
						}
					}
					//compensate calc error but excluding scrolled frozen column
					if (extSum > 0 && count != 0 && visj >= 0) {
						tblWidth -= wd; //refix B70-ZK-2394: subtract the last wd (visj is the last)
						wd = wds[visj] + count;
						var stylew = jq.px0(wd);
	
						tblWidth += wd; //refix B70-ZK-2394: and add new wd
	
						if (!hasFrozenScrolled) {
							bdfaker.childNodes[visj].style.width = stylew;
							hdfaker.childNodes[visj].style.width = stylew;
	
							if (ftfaker)
								ftfaker.childNodes[visj].style.width = stylew;
						}
					}
				} else { //feature#3184415: span to a specific column
					visj = this._nspan - 1;
					for (var i = 0; hdcol && i < hdlen; hdcol = hdcol.nextSibling, i++) {
						if (!zk(hdcol).isVisible()) {
							bdcol = bdcol.nextSibling;
							if (ftcol)
								ftcol = ftcol.nextSibling;
							continue;
						} else {
							wd = visj == i && extSum > 0 ? (wds[visj] + extSum) : wds[i];
							var stylew = jq.px0(wd);
							hdcol.style.width = stylew;
							bdcol.style.width = stylew;
							tblWidth += wd; //refix B70-ZK-2394: store each col's width
							bdcol = bdcol.nextSibling;
							if (ftcol) {
								ftcol.style.width = stylew;
								ftcol = ftcol.nextSibling;
							}
						}
					}
				}
	
				//refix B70-ZK-2394: sync colgroup width with (head, body, foot)table width
				var allWidths = this._isAllWidths();
				if (allWidths) {
					var hdtbl = this.eheadtbl,
						bdtbl = this.ebodytbl,
						fttbl = this.efoottbl;
	
					if (hdtbl) {
						hdtbl.style.width = tblWidth + 'px';
						if (bdtbl)
							bdtbl.style.width = tblWidth + 'px';
						if (fttbl)
							fttbl.style.width = tblWidth + 'px';
					}
				}
	
				//bug 3188738: Opera only. Grid/Listbox/Tree span="x" not working
				if (zk.opera)
					zk(this.$n()).redoCSS();
			}
		});//zk.override
	});//zk.afterLoad
 	]]></script>