//
// global variables
// 
var tbody = null;
var theadrow = null;
var colCount = null;
var reverse = false;
var lastclick = -1;					// stores the object of our last used object
var oTR = null;
var oStatus = null;
var none = 0;
function initResultTable(element) {
	// get TBODY - take the first TBODY for the table to sort
    tbody = element.tBodies(0);
    if (!tbody) {
        return;
    }
	//Get THEAD
    var thead = element.tHead;
    if (!thead) {
        return;
    }
    theadrow = thead.children[0]; //Assume just one Head row
    if (theadrow.tagName != "TR") {
        return;
    }
    theadrow.runtimeStyle.cursor = "hand";
    colCount = theadrow.children.length;
    var l, clickCell;
    for (var i = 0; i < colCount; i++) {
		// Create our blank gif
        l = document.createElement("IMG");
        if (i == 0) {
            l.src = "/manage/common/img/sortUp.gif";
            lastclick = 0;
        } else {
            l.src = "/manage/common/img/sortBlank.gif";
        }
        l.id = "srtImg";
        l.width = 25;
        l.height = 11;
        clickCell = theadrow.children[i];
        clickCell.selectIndex = i;
        clickCell.insertAdjacentElement("beforeEnd", l);
        clickCell.attachEvent("onclick", doClick);
    }
    setTableRowClass(tbody, tbody.rows.length - 1, reverse, 0);
}

//
// doClick handler
//
//
function doClick(e) {
    var clickObject = e.srcElement;
    tbody.parentElement.scrollIntoView(true);
    while (clickObject.tagName != "TD") {
        clickObject = clickObject.parentElement;
    }
    if (e.srcElement.tagName == "INPUT") {
        return;
    }
	// clear the sort images in the head
    var imgcol = theadrow.all("srtimg");
    for (var x = 0; x < imgcol.length; x++) {
        imgcol[x].src = "/manage/common/img/sortBlank.gif";
    }
    var obj = clickObject.children[0];
    for (var i = 0; i < clickObject.children.length; i++) {
        if (clickObject.children[i].tagName != "INPUT") {
            obj = clickObject.children[i];
            break;
        }
    }
    if (lastclick == clickObject.selectIndex) {
        if (reverse == false) {
            obj.src = "/manage/common/img/sortDown.gif";
            reverse = true;
        } else {
            obj.src = "/manage/common/img/sortUp.gif";
            reverse = false;
        }
    } else {
        reverse = false;
        lastclick = clickObject.selectIndex;
        obj.src = "/manage/common/img/sortUp.gif";
    }
    sortTable(tbody, tbody.rows.length - 1, reverse, clickObject.selectIndex);
}
function sortTable(t, iRowEnd, fReverse, iColumn) {
    insertionSort(t, iRowEnd, fReverse, iColumn);
    setTableRowClass(t, iRowEnd, fReverse, iColumn);
    try {
        var count = fm.checkboxSelect.length;
        if (count > 1) {
            for (var i = 0; i < count; i++) {
                fm.checkboxSelect[i].value = i;
            }
        }
    }
    catch (E) {
    //alert(E);
    }
}
function setTableRowClass(t, iRowEnd, fReverse, iColumn) {
    var rowClass = "odd";
    for (iRowInsert = 0; iRowInsert <= iRowEnd; iRowInsert++) {
        if (iRowInsert % 2 == 0) {
            rowClass = "odd";
        } else {
            rowClass = "even";
        }
        t.children[iRowInsert].className = rowClass;
    }
}
function insertionSort(t, iRowEnd, fReverse, iColumn) {
    var iRowInsertRow, iRowWalkRow, current, insert;
    var childrens = t.children;
    for (iRowInsert = 1; iRowInsert <= iRowEnd; iRowInsert++) {
        if (iColumn) {
            if (typeof (childrens[iRowInsert].children[iColumn]) != "undefined") {
                textRowInsert = childrens[iRowInsert].children[iColumn].innerText;
            } else {
                textRowInsert = "";
            }
        } else {
            textRowInsert = childrens[iRowInsert].innerText;
            var pos = textRowInsert.indexOf(" ");
            if (pos > -1) {
                textRowInsert = textRowInsert.substring(0, pos);
            }
        }
        for (iRowWalk = 0; iRowWalk <= iRowInsert; iRowWalk++) {
            if (iColumn) {
                if (typeof (childrens[iRowWalk].children[iColumn]) != "undefined") {
                    textRowCurrent = childrens[iRowWalk].children[iColumn].innerText;
                } else {
                    textRowCurrent = "";
                }
            } else {
                textRowCurrent = childrens[iRowWalk].innerText;
                var pos = textRowCurrent.indexOf(" ");
                if (pos > -1) {
                    textRowCurrent = textRowCurrent.substring(0, pos);
                }
            }

            //
            // We save our values so we can manipulate the numbers for
            // comparison
            //
            current = textRowCurrent;
            insert = textRowInsert;

            //  If the value is not a number, we sort normally, else we evaluate
            //  the value to get a numeric representation
            //
            if (!isNaN(current) && !isNaN(insert)) {
                try {
                    current = parseFloat(current, 10);
                    insert = parseFloat(insert, 10);
                }
                catch (E) {
                    current = eval(current);
                    insert = eval(insert);
                }
            } else {
                current = current.toLowerCase();
                insert = insert.toLowerCase();
            }
            if (((!fReverse && insert < current) || (fReverse && insert > current)) && (iRowInsert != iRowWalk)) {
                t.insertBefore(childrens[iRowInsert], childrens[iRowWalk]);
                iRowWalk = iRowInsert; // done
            }
        }
    }
}
function locate(pageNo) {
    if (pageNo < 1) {
        alert("\u5df2\u5230\u7b2c\u4e00\u9875");
        return false;
    }
    if (pageNo > parseInt(getFirstElementValue("pagesCount"), 10)) {
        alert("\u5df2\u5230\u6700\u540e\u4e00\u9875");
        return false;
    }
    if (pageNo == 1 && parseInt(fm.pageNo.value, 10) == 1) {
        alert("\u5df2\u5230\u7b2c\u4e00\u9875");
        return false;
    }
    if (pageNo == 1 && pageNo == parseInt(getFirstElementValue("pagesCount"), 10)) {
        alert("\u5df2\u5230\u6700\u540e\u4e00\u9875");
        return false;
    }
    fm.pageNo.value = pageNo;
    fm.submit();
    return true;
}
function goPage() {
    var pageNo = parseInt(getFirstElementValue("newPageNo"), 10);
    if (isNaN(pageNo)) {
        pageNo = 1;
    }
    if (pageNo > parseInt(getFirstElementValue("pagesCount"), 10)) {
        alert("\u65e0\u6cd5\u8f6c\u5230\u7b2c" + pageNo + "\u9875");
        return false;
    }
    return locate(pageNo);
}
function changeRowsPerPage(field) {
    var rows = parseInt(field.value, 10);
    if (isNaN(rows)) {
        return false;
    }
    if (rows > 500) {
        alert("\u6bcf\u9875\u4e0d\u5141\u8bb8\u8d85\u8fc7500\u6761");
        return false;
    }
    fm.rowsPerPage.value = rows;
    fm.pageNo.value = 1;
    fm.submit();
    return true;
}