function updateSort1Header() {
        var header_sort1 = document.getElementById("SORT1");
		if (header_sort1 != null)
		{
			var cTheads = header_sort1.getElementsByTagName("THEAD");
			for (var i = 0; i < cTheads.length; i++) {
				var oThead = cTheads.item(i);
				var cTrs = oThead.rows;
				for (var j = 0; j < cTrs.length; j++) {
					if (j != 0) {
						var cCells = cTrs.item(j).cells;
						for (var k = 0; k < cCells.length; k++) {
							cTrs.item(0).cells.item(k).innerHTML = cTrs.item(0).cells.item(k).innerHTML + "<br />" + cCells.item(k).innerHTML;
						}
					}
				}
				var index = cTrs.item(0).rowIndex;
				for (var x = cTrs.length - 1; x > index; x--) {
					header_sort1.deleteRow(x);
				}
			}
		}
    }