// version: beta
// created: 2005-08-30
// updated: 2005-08-31
// mredkj.com
function extractNumber(obj, decimalPlaces, allowNegative)
{
	var temp = obj.value;
	
	// avoid changing things if already formatted correctly
	var reg0Str = '[0-9]*';
	if (decimalPlaces > 0) {
		reg0Str += '\\.?[0-9]{0,' + decimalPlaces + '}';
	} else if (decimalPlaces < 0) {
		reg0Str += '\\.?[0-9]*';
	}
	reg0Str = allowNegative ? '^-?' + reg0Str : '^' + reg0Str;
	reg0Str = reg0Str + '$';
	var reg0 = new RegExp(reg0Str);
	if (reg0.test(temp)) return true;

	// first replace all non numbers
	var reg1Str = '[^0-9' + (decimalPlaces != 0 ? '.' : '') + (allowNegative ? '-' : '') + ']';
	var reg1 = new RegExp(reg1Str, 'g');
	temp = temp.replace(reg1, '');

	if (allowNegative) {
		// replace extra negative
		var hasNegative = temp.length > 0 && temp.charAt(0) == '-';
		var reg2 = /-/g;
		temp = temp.replace(reg2, '');
		if (hasNegative) temp = '-' + temp;
	}
	
	if (decimalPlaces != 0) {
		var reg3 = /\./g;
		var reg3Array = reg3.exec(temp);
		if (reg3Array != null) {
			// keep only first occurrence of .
			//  and the number of places specified by decimalPlaces or the entire string if decimalPlaces < 0
			var reg3Right = temp.substring(reg3Array.index + reg3Array[0].length);
			reg3Right = reg3Right.replace(reg3, '');
			reg3Right = decimalPlaces > 0 ? reg3Right.substring(0, decimalPlaces) : reg3Right;
			temp = temp.substring(0,reg3Array.index) + '.' + reg3Right;
		}
	}
	
	obj.value = temp;
}
function blockNonNumbers(obj, e, allowDecimal, allowNegative)
{
	var key;
	var isCtrl = false;
	var keychar;
	var reg;
		
	if(window.event) {
		key = e.keyCode;
		isCtrl = window.event.ctrlKey
	}
	else if(e.which) {
		key = e.which;
		isCtrl = e.ctrlKey;
	}
	
	if (isNaN(key)) return true;
	
	keychar = String.fromCharCode(key);
	
	// check for backspace or delete, or if Ctrl was pressed
	if (key == 8 || isCtrl)
	{
		return true;
	}

	reg = /\d/;
	var isFirstN = allowNegative ? keychar == '-' && obj.value.indexOf('-') == -1 : false;
	var isFirstD = allowDecimal ? keychar == '.' && obj.value.indexOf('.') == -1 : false;
	
	return isFirstN || isFirstD || reg.test(keychar);
}

function extractPhNumbers(obj) {
    var temp = obj.value;
    // avoid changing things if already formatted correctly
    var reg0Str = '[0-9,]\s*';
    //reg0Str += '\\?[0-9]\s*';
    
    var reg0 = new RegExp(reg0Str);
    if (reg0.test(temp)) return true;

    // first replace all non numbers
    var reg1Str = '[^0-9]';
    var reg1 = new RegExp(reg1Str, 'g');
    temp = temp.replace(reg1, '');

    obj.value = temp;
}
function blockNonPhNumbers(obj, e) {
    var key;
    var isCtrl = false;
    var keychar;
    var reg;
    if (window.event) {
        key = e.keyCode;
        isCtrl = window.event.ctrlKey
    }
    else if (e.which) {
        key = e.which;
        isCtrl = e.ctrlKey;
    }

    if (isNaN(key)) return true;

    keychar = String.fromCharCode(key);

    // check for backspace or delete, or if Ctrl was pressed
    if (key == 8 || isCtrl) {
        return true;
    }

    reg = /\d/;
    reg1= /\s/;
    reg2 = /,/;
    return reg.test(keychar) || reg1.test(keychar) || reg2.test(keychar);
}

function trimLeedingZero(sString) 
{
    while (sString.substring(0,1) == '0')
    {
        sString = sString.substring(1, sString.length);
    }   
    return sString;
}


var months = new Array(12); 
months[0] = "jan"; 
months[1] = "feb"; 
months[2] = "mar"; 
months[3] = "apr"; 
months[4] = "may"; 
months[5] = "jun"; 
months[6] = "jul"; 
months[7] = "aug"; 
months[8] = "sep"; 
months[9] = "oct"; 
months[10] = "nov"; 
months[11] = "dec";

function convertvaliddate(date) {
    
    var bits;
    if (date.match("-") != null) {
        bits = date.split("-");
    }
    if (bits != undefined) {
        bits[1] = bits[1].toLowerCase();
        var month = 0, day = bits[0], year = bits[2];
        for (var i = 0; i < 12; i++) {
            if (bits[1] == months[i]) {
                month = i + 1;
            }
        }
        var newdate = month + "/" + day + "/" + year;
        return newdate;
    }
    else
        return "";
}

function convertdate(date) {
    var bits = date.split("-");
    bits[1] = bits[1].toLowerCase();
    var month = 0, day = bits[0], year = bits[2];
    for (var i = 0; i < 12; i++) {
        if (bits[1] == months[i]) {
            month = i + 1;
        }
    }
    var newdate = month + "/" + day + "/" + year;
    return newdate;
}

function CheckSelection(listview, ItemName) {    
    var chk
    var isSelected = false;
    var iRowCount = 0;
    if (iRowCount < 10)
        chk = document.getElementById(listview + "_ctrl" + iRowCount + ItemName)
    else
        chk = document.getElementById(listview + "_ctrl" + iRowCount + ItemName)

    while (chk != null) {
        if (chk.checked)
            isSelected = true;
        iRowCount = iRowCount + 1;
        if (iRowCount < 10)
            chk = document.getElementById(listview + "_ctrl" + iRowCount + ItemName)
        else
            chk = document.getElementById(listview + "_ctrl" + iRowCount + ItemName)
    }
    return isSelected;
}



function DuplicateText(document, sListview, sChkSelect, sTextBox) {
    var chk
    var sDuplicate = false;
    var iRowCount = 0;
    chk = document.getElementById(sListview + "_ctrl" + iRowCount + sChkSelect)
    while (chk != null) {
        if (chk.checked == true) {
            var txtsTextBox = document.getElementById(sListview + "_ctrl" + iRowCount + sTextBox)
            var i_RowCount = iRowCount + 1

            var chk_next = document.getElementById(sListview + "_ctrl" + i_RowCount + sChkSelect)
            while (chk_next != null) {

                if (chk_next.checked == true) {
                    txt_next_sTextBox = document.getElementById(sListview + "_ctrl" + i_RowCount + sTextBox)
                    var upper_txtsTextBox = txtsTextBox.value.trim();
                    var upper_txt_next_sTextBox = txt_next_sTextBox.value.trim();
                    if (upper_txtsTextBox.toUpperCase() == upper_txt_next_sTextBox.toUpperCase()) {
                        sDuplicate = true;
                        break;
                    }
                }
                i_RowCount = i_RowCount + 1;

                chk_next = document.getElementById(sListview + "_ctrl" + i_RowCount + sChkSelect)
            }

        }
        iRowCount = iRowCount + 1;
        chk = document.getElementById(sListview + "_ctrl" + iRowCount + sChkSelect)
    }
    if (sDuplicate == true)
        return sDuplicate;
}