/*
  SortTable
  version 2
  7th April 2007
    This basically means: do what you want with it.
*/

 
var stIsIE = /*@cc_on!@*/false;

sorttable = {
    init: function () {
        // quit if this function has already been called
        if (arguments.callee.done) return;
        // flag this function so we don't do the same thing twice
        arguments.callee.done = true;
        // kill the timer
        if (_timer) clearInterval(_timer);

        if (!document.createElement || !document.getElementsByTagName) return;

        sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/;

        forEach(document.getElementsByTagName('table'), function (table) {
            if (table.className.search(/\bsortable\b/) != -1) {
                sorttable.makeSortable(table);
            }
        });

    },

    makeSortable: function (table) {
        if (table.getElementsByTagName('thead').length == 0) {
            // table doesn't have a tHead. Since it should have, create one and
            // put the first table row in it.
            the = document.createElement('thead');
            the.appendChild(table.rows[0]);
            table.insertBefore(the, table.firstChild);
        }
        // Safari doesn't support table.tHead, sigh
        if (table.tHead == null) table.tHead = table.getElementsByTagName('thead')[0];

        if (table.tHead.rows.length != 1) return; // can't cope with two header rows

        // work through each column and calculate its type
        headrow = table.tHead.rows[0].cells;
        for (var i = 0; i < headrow.length; i++) {
            // manually override the type with a sorttable_type attribute
            if (!headrow[i].className.match(/\bsorttable_nosort\b/)) { // skip this col
                mtch = headrow[i].className.match(/\bsorttable_([a-z0-9]+)\b/);
                if (mtch) { override = mtch[1]; }
                if (mtch && typeof sorttable["sort_" + override] == 'function') {
                    headrow[i].sorttable_sortfunction = sorttable["sort_" + override];
                } else {
                    headrow[i].sorttable_sortfunction = sorttable.guessType(table, i);
                }
                // make it clickable to sort
                headrow[i].sorttable_columnindex = i;
                headrow[i].sorttable_tbody = table;
                dean_addEvent(headrow[i], "click", function (e) {

                    if (this.className.search(/\bsorttable_sorted\b/) != -1) {
                        // if we're already sorted by this column, just 
                        // reverse the table, which is quicker
                        sorttable.reverse(this.sorttable_tbody);
                        this.className = this.className.replace('sorttable_sorted',
                                                    'sorttable_sorted_reverse');
                        this.getElementsByTagName('span')[0].removeChild(document.getElementById('sorttable_sortfwdind'));
                        sortrevind = document.createElement('span');
                        sortrevind.id = "sorttable_sortrevind";
                        sortrevind.innerHTML = stIsIE ? '<font face="webdings">5</font>' : '&#x25B4;';
                        this.getElementsByTagName('span')[0].appendChild(sortrevind);
                        return;
                    }
                    if (this.className.search(/\bsorttable_sorted_reverse\b/) != -1) {
                        // if we're already sorted by this column in reverse, just 
                        // re-reverse the table, which is quicker
                        sorttable.reverse(this.sorttable_tbody);
                        this.className = this.className.replace('sorttable_sorted_reverse',
                                                    'sorttable_sorted');
                        this.getElementsByTagName('span')[0].removeChild(document.getElementById('sorttable_sortrevind'));
                        sortfwdind = document.createElement('span');
                        sortfwdind.id = "sorttable_sortfwdind";
                        sortfwdind.innerHTML = stIsIE ? '<font face="webdings">6</font>' : '&#x25BE;';
                        this.getElementsByTagName('span')[0].appendChild(sortfwdind);
                        return;
                    }

                    // remove sorttable_sorted classes
                    theadrow = this.parentNode;
                    forEach(theadrow.childNodes, function (cell) {
                        if (cell.nodeType == 1) { // an element
                            cell.className = cell.className.replace('sorttable_sorted_reverse', '');
                            cell.className = cell.className.replace('sorttable_sorted', '');
                        }
                    });
                    sortfwdind = document.getElementById('sorttable_sortfwdind');
                    if (sortfwdind) { sortfwdind.parentNode.removeChild(sortfwdind); }
                    sortrevind = document.getElementById('sorttable_sortrevind');
                    if (sortrevind) { sortrevind.parentNode.removeChild(sortrevind); }

                    this.className += ' sorttable_sorted';
                    sortfwdind = document.createElement('span');
                    sortfwdind.id = "sorttable_sortfwdind";
                    sortfwdind.innerHTML = stIsIE ? '<font face="webdings">6</font>' : '&#x25BE;';
                    this.getElementsByTagName('span')[0].appendChild(sortfwdind);

                    // build an array to sort. This is a Schwartzian transform thing,
                    // i.e., we "decorate" each row with the actual sort key,
                    // sort based on the sort keys, and then put the rows back in order
                    // which is a lot faster because you only do getInnerText once per row
                    row_array = [];
                    col = this.sorttable_columnindex;
                    rows = this.sorttable_tbody.tBodies;
                    for (var j = 0; j < rows.length; j++) {
                        if (col < 4) {
                            row_array[row_array.length] = [sorttable.getInnerText(rows[j].rows[0].cells[col]), rows[j]];
                        }
                        else {
                            row_array[row_array.length] = [sorttable.getInnerText(rows[j].rows[0].cells[col]), rows[j]];
                        }
                    }
                    /* If you want a stable sort, uncomment the following line */
                    /*sorttable.shaker_sort(row_array, this.sorttable_sortfunction);*/
                    /* and comment out this one */
                    row_array.sort(this.sorttable_sortfunction);

                    //this.sorttable_tbody.clear();

                    for (var j = 0; j < row_array.length; j++) {
                        document.getElementById("Table1").appendChild(row_array[j][1]);
                    }

                    delete row_array;

                    var tbArr = $(".tbody_passive");
                    Colorize(tbArr);

                    //return false;
                });
            }
        }
    },

    guessType: function (table, column) {
        // guess the type of a column based on its first non-blank row
        sortfn = sorttable.sort_alpha;
        return sortfn;
        for (var i = 0; i < table.tBodies[0].rows.length; i++) {
            text = sorttable.getInnerText(table.tBodies[0].rows[i].cells[column]);
            if (text != '') {
                if (text.match(/^-?[£$¤]?[\d,.]+%?$/)) {
                    return sorttable.sort_numeric;
                }
                // check for a date: dd/mm/yyyy or dd/mm/yy 
                // can have / or . or - as separator
                // can be mm/dd as well
                possdate = text.match(sorttable.DATE_RE)
                if (possdate) {
                    // looks like a date
                    first = parseInt(possdate[1]);
                    second = parseInt(possdate[2]);
                    if (first > 12) {
                        // definitely dd/mm
                        return sorttable.sort_ddmm;
                    } else if (second > 12) {
                        return sorttable.sort_mmdd;
                    } else {
                        // looks like a date, but we can't tell which, so assume
                        // that it's dd/mm (English imperialism!) and keep looking
                        sortfn = sorttable.sort_ddmm;
                    }
                }
            }
        }
        return sortfn;
    },

    getInnerText: function (node) {
        // gets the text we want to use for sorting for a cell.
        // strips leading and trailing whitespace.
        // this is *not* a generic getInnerText function; it's special to sorttable.
        // for example, you can override the cell text with a customkey attribute.
        // it also gets .value for <input> fields.


        var hasInputs = false;
        try {
            hasInputs = (typeof node.getElementsByTagName == 'function') &&
                 node.getElementsByTagName('input').length;


            if (node.getAttribute("sorttable_customkey") != null) {
                return node.getAttribute("sorttable_customkey");
            }
            else if (typeof node.textContent != 'undefined' && !hasInputs) {
                return node.textContent.replace(/^\s+|\s+$/g, '');
            }
            else if (typeof node.innerText != 'undefined' && !hasInputs) {
                return node.innerText.replace(/^\s+|\s+$/g, '');
            }
            else if (typeof node.text != 'undefined' && !hasInputs) {
                return node.text.replace(/^\s+|\s+$/g, '');
            }
            else {
                switch (node.nodeType) {
                    case 3:
                        if (node.nodeName.toLowerCase() == 'input') {
                            return node.value.replace(/^\s+|\s+$/g, '');
                        }
                    case 4:
                        return node.nodeValue.replace(/^\s+|\s+$/g, '');
                        break;
                    case 1:
                    case 11:
                        var innerText = '';
                        for (var i = 0; i < node.childNodes.length; i++) {
                            innerText += sorttable.getInnerText(node.childNodes[i]);
                        }
                        return innerText.replace(/^\s+|\s+$/g, '');
                        break;
                    default:
                        return '';
                }
            }
        } catch (e) {
            return '';
        }
    },

    reverse: function (table) {
        rows = table.tBodies;
        // reverse the rows in a tbody
        newrows = [];
        for (var i = 0; i < rows.length; i++) {
            newrows[newrows.length] = rows[i];
        }
        for (var i = newrows.length - 1; i >= 0; i--) {
            //rows.appendChild(newrows[i]);
            document.getElementById("Table1").appendChild(newrows[i]);
        }
        delete newrows;
    },

    /* sort functions
    each sort function takes two parameters, a and b
    you are comparing a[0] and b[0] */
    sort_numeric: function (a, b) {
        aa = parseFloat(a[0].replace(/[^0-9.-]/g, ''));
        if (isNaN(aa)) aa = 0;
        bb = parseFloat(b[0].replace(/[^0-9.-]/g, ''));
        if (isNaN(bb)) bb = 0;
        return aa - bb;
    },
    sort_alpha: function (a, b) {
        if (a[0] == b[0]) return 0;
        if (a[0] < b[0]) return -1;
        return 1;
    },
    sort_ddmm: function (a, b) {
        mtch = a[0].match(sorttable.DATE_RE);
        y = mtch[3]; m = mtch[2]; d = mtch[1];
        if (m.length == 1) m = '0' + m;
        if (d.length == 1) d = '0' + d;
        dt1 = y + m + d;
        mtch = b[0].match(sorttable.DATE_RE);
        y = mtch[3]; m = mtch[2]; d = mtch[1];
        if (m.length == 1) m = '0' + m;
        if (d.length == 1) d = '0' + d;
        dt2 = y + m + d;
        if (dt1 == dt2) return 0;
        if (dt1 < dt2) return -1;
        return 1;
    },
    sort_mmdd: function (a, b) {
        mtch = a[0].match(sorttable.DATE_RE);
        y = mtch[3]; d = mtch[2]; m = mtch[1];
        if (m.length == 1) m = '0' + m;
        if (d.length == 1) d = '0' + d;
        dt1 = y + m + d;
        mtch = b[0].match(sorttable.DATE_RE);
        y = mtch[3]; d = mtch[2]; m = mtch[1];
        if (m.length == 1) m = '0' + m;
        if (d.length == 1) d = '0' + d;
        dt2 = y + m + d;
        if (dt1 == dt2) return 0;
        if (dt1 < dt2) return -1;
        return 1;
    },

    shaker_sort: function (list, comp_func) {
        var b = 0;
        var t = list.length - 1;
        var swap = true;

        while (swap) {
            swap = false;
            for (var i = b; i < t; ++i) {
                if (comp_func(list[i], list[i + 1]) > 0) {
                    var q = list[i]; list[i] = list[i + 1]; list[i + 1] = q;
                    swap = true;
                }
            } // for
            t--;

            if (!swap) break;

            for (var i = t; i > b; --i) {
                if (comp_func(list[i], list[i - 1]) < 0) {
                    var q = list[i]; list[i] = list[i - 1]; list[i - 1] = q;
                    swap = true;
                }
            } // for
            b++;

        } // while(swap)
    }
}

/* ******************************************************************
   Supporting functions: bundled here to avoid depending on a library
   ****************************************************************** */

// Dean Edwards/Matthias Miller/John Resig

/* for Mozilla/Opera9 */
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", sorttable.init, false);
}


/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
    var _timer = setInterval(function() {
        if (/loaded|complete/.test(document.readyState)) {
            sorttable.init(); // call the onload handler
        }
    }, 10);
}

/* for other browsers */
window.onload = sorttable.init;

function dean_addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		// assign each event handler a unique ID
		if (!handler.$$guid) handler.$$guid = dean_addEvent.guid++;
		// create a hash table of event types for the element
		if (!element.events) element.events = {};
		// create a hash table of event handlers for each element/event pair
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			// store the existing event handler (if there is one)
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		// store the event handler in the hash table
		handlers[handler.$$guid] = handler;
		// assign a global event handler to do all the work
		element["on" + type] = handleEvent;
	}
};
// a counter used to create unique IDs
dean_addEvent.guid = 1;

function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		// delete the event handler from the hash table
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};

function handleEvent(event) {
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};

function fixEvent(event) {
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
  this.cancelBubble = true;
}

// array-like enumeration
if (!Array.forEach) { // mozilla already supports this
	Array.forEach = function(array, block, context) {
		for (var i = 0; i < array.length; i++) {
			block.call(context, array[i], i, array);
		}
	};
}

// generic enumeration
Function.prototype.forEach = function(object, block, context) {
	for (var key in object) {
		if (typeof this.prototype[key] == "undefined") {
			block.call(context, object[key], key, object);
		}
	}
};

// character enumeration
String.forEach = function(string, block, context) {
	Array.forEach(string.split(""), function(chr, index) {
		block.call(context, chr, index, string);
	});
};

// globally resolve forEach enumeration
var forEach = function(object, block, context) {
	if (object) {
		var resolve = Object; // default
		if (object instanceof Function) {
			// functions have a "length" property
			resolve = Function;
		} else if (object.forEach instanceof Function) {
			// the object implements a custom forEach method so use that
			object.forEach(block, context);
			return;
		} else if (typeof object == "string") {
			// the object is a string
			resolve = String;
		} else if (typeof object.length == "number") {
			// the object is array-like
			resolve = Array;
		}
		resolve.forEach(object, block, context);
	}
};