var editwin = null;

function setCheckedAll(obj, fr) {

	for (var i = 0; i < fr.elements.length; i++) {

		var e = fr.elements[i];

		if ((e.name != obj.name) && (e.type=='checkbox') && (e.disabled != true))

			e.checked = obj.checked;

	}

}



function setCheckID(obj, fr) {

	var TB = TO = 0;

	for (var i = 0; i < fr.elements.length; i++) {

		var e = fr.elements[i];

		if ((e.name != obj.name) && (e.type == 'checkbox') && (e.disabled != true)) {

			TB++;

			if (e.checked)

				TO++;

		}

	}

	if (TO == TB)

		obj.checked = true;

	else

		obj.checked = false;

}

function OWEdit(File, W, H) {

	W += 50;

	H += 50;

	if(W > 780)	W = 780;

	if(H > 600)	 H = 600;

	Temp = "scrollbars=2, resizable=yes, width=" + W + ", height = " + H;

	window.open(File, "FullImage", Temp);

}

function CheckMarkVal(strss, mark) {

	for(i = 0; i < mark.length && strss.indexOf(mark.charAt(i)) < 0; i++);

	return ( i < mark.length) ? false : true;

}





var reAlphanumeric = /^[a-zA-Z0-9]+$/;



function trim(str)

{

  return str.replace(/^\s+|\s+$/g, '');

}

function isEmpty(s){

	return ((s == null) || (s.length == 0))

}

function isAlphanumeric(s){

	if (isEmpty(s) == false)

		return reAlphanumeric.test(s);

}

function isValidChar(s){

	if(isEmpty(s) == false){

		var valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";

		var temp;



		for (var i = 0; i < s.length; i++){

			temp = "" + s.substring(i, i+1);

			if (valid.indexOf(temp) == "-1") return false;

		}

		return true;

	}

}



//This function is used to check the validation of email address.

function isEmail(value) {

	/*

		Email Address's Format: username@subdomain.domain

		Email Address must be include 3 part:

			part 1: username

			part 2: @

			part 3: <domainname[.domainname,...]>.<domainname>

	*/

	if (value==null || value=="")	return true;

	if (value.indexOf(" ")>=0)		return false;



	var state, code, username, domain, amountOfDot, i;

	state = 1; username=''; domain=''; amountOfDot = 0;

	for (i=0; i<value.length; i++) {

		code = value.charAt(i);

		if (state==1) {

			if (code == "<" || code == ">" || code == "(" || code == ")"	) return false;

			else if (	code == "@"	)

				if (username == '') return false;

				else state = 3;

			username += code;

		}

		else if (state==3) {

			if ((code >= "0" && code <= "9")

					|| (code >= "A" && code <= "Z")

					|| (code >= "a" && code <= "z")

					|| code == "_"

					|| code == "-"

				) ;

			else if (code == ".")

				if (domain == '' || domain.charAt(domain.length-1) == '.') return false;

				else amountOfDot++;

			else return false;

			domain += code;

		}

	}

	if (state != 3) return false;

	if (domain == '' || domain.charAt(domain.length-1) == '.') return false;

	if (amountOfDot <1) return false;

	return true;

}

//This function is used to check the validation of username.

function isUsername(userName)

{

  var pattern=/^[a-z][a-z0-9_-]{2,30}$/i;

  if (!pattern.test(userName)) return false;

  return true;

}

//var emailPatter=/^[-a-zA-Z0-9._]+@([-a-zA-Z0-9_]+\.)+[a-zA-Z0-9_]+$/;

//This function is used to check the validation of telephone, fax number.

function isTelephone(phone)

{

  var pattern = /^\+?[0-9 ()-.]+[0-9.]$/;

  var phoneval=trim(phone);

  if (!pattern.test(phoneval)) return false;

  return true;

}

///Kiem tra ngay thang hop le

//Dem so ky tu mark trong chuoi str

function countChar(str, mark) {

	var Count = 0;

	for(i = 0; i < str.length; i++)

		if (str.charAt(i) == mark) 

			Count++;

	return 	Count;

}

//Ham nay tra ve Ngay trong chuoi strDate duoc format thanh kieu so nguyen

function getDateToInt(strDate) {

	k = strDate.indexOf("/");			

	strDay = strDate.substring(0, k);

	return stringToInt(strDay);

}

//Ham nay tra ve Thang trong chuoi strDate duoc format thanh kieu so nguyen

function getMonthToInt(strDate) {

	i = strDate.lastIndexOf("/");

	j = strDate.lastIndexOf("/", i - 1) ;	

	strMonth = strDate.substring(j + 1, i);

	return stringToInt(strMonth);

}

//Ham nay tra ve Nam trong chuoi strDate duoc format thanh kieu so nguyen

function getYearToInt(strDate) {

	i = strDate.lastIndexOf("/");

	strYear = strDate.substring(i + 1, strDate.length);

	return stringToInt(strYear);

}

//

//Ham nay tra ve Ngay trong chuoi strDate duoc format dd/mm/yyyy H:i

function getDaytimeToInt(strDate) {

	k = strDate.indexOf("/");			

	strDay = strDate.substring(0, k);

	return stringToInt(strDay);

}

//Ham nay tra ve Thang trong chuoi strDate duoc format dd/mm/yyyy H:i

function getMonthtimeToInt(strDate) {

	i = strDate.indexOf("/");

	strMonth = strDate.substring(i + 1, i+3);

	return stringToInt(strMonth);

}

//Ham nay tra ve Nam trong chuoi strDate duoc format format dd/mm/yyyy H:i

function getYeartimeToInt(strDate) {

	i = strDate.lastIndexOf("/");

	strYear = strDate.substring(i + 1, i+5);

	return stringToInt(strYear);

}

//Ham nay tra ve Hour trong chuoi strDate duoc format format dd/mm/yyyy H:i

function getHourtimeToInt(strDate) {

	i = strDate.indexOf(":");

	strHour = strDate.substring(i-2, i);

	return stringToInt(strHour);

}

//Ham nay tra ve Minute trong chuoi strDate duoc format format dd/mm/yyyy H:i

function getMinutetimeToInt(strDate) {

	i = strDate.lastIndexOf(":");

	strMinute = strDate.substring(i+1, strDate.length);

	return stringToInt(strMinute);

}



//

function checkIntVal(val, low, high) {

	if (val <= high && val >= low) 

		return true;

	return false;

}

//

function stringToInt(str) {

	if(!stringIsNum(str))

		return 0 ;

	if(str.charAt(0) == '0') 

		return stringToInt(str.substring(1, str.length));

	else 

		if(str.length > 0) 

			return parseInt(str);

		 else 

			return (0);

}

//

function stringIsNum(val) {

	var str = new String(val);

	for (i=0;i<str.length;i++) 

		if (isNaN(parseInt(str.charAt(i))))

			return false;

	return true;

}

//Kiem tra chuoi theo chuan ton tai cua chuoi mark trong chuoi str

function checkExistVal(str, mark) {

	for(i = 0; i < str.length; i++)

		if (mark.indexOf(str.charAt(i)) < 0) 

			return false;

	return 	true;

}

// Kiem tra ngay theo chuan (dd/mm/yyyy)

function checkFormatDate(strDate, sb_year, se_year) {

	if(!checkExistVal(strDate, '1234567890/') || countChar(strDate, '/') != 2)

		return false;

	Year = getYearToInt(strDate);

	Month = getMonthToInt(strDate);

	Day = getDateToInt(strDate);

	var objDate = new Date();

	var currYear = objDate.getYear();

	if(typeof(sb_year) == 'undefined')

		sb_year = currYear - 1;

	if(typeof(se_year) == 'undefined')

		se_year = currYear + 222;

	if(!checkIntVal(Year, sb_year, se_year))

		return false;	

	if(!checkIntVal(Month, 1, 12))

		return false;	

	if(!checkIntVal(Day, 1, 31))

		return false;	

	if (Month == 4 || Month == 6 || Month == 9 || Month == 11 )

		if(Day > 30)

			return false;

	if(((Year % 4 == 0) && (Year %100 != 0)) || Year % 400 == 0) {

		if((Month == 2 ) && ( Day > 29))

			return false;

	} else

		if((Month == 2 ) && ( Day > 28))

			return false;

	return 	true;

}

// Kiem tra ngay theo chuan (dd/mm/yyyy H:i)

function checkFormatDatetime(strDate, sb_year, se_year) {

	if(!checkExistVal(strDate, '1234567890/: ') || countChar(strDate, '/') != 2 || countChar(strDate, ':') != 1 || countChar(strDate, ' ') != 1)

		return false;

	Year = getYeartimeToInt(strDate);

	Month = getMonthtimeToInt(strDate);

	Day = getDaytimeToInt(strDate);

	Hour = getHourtimeToInt(strDate);

	Minute = getMinutetimeToInt(strDate);

	var objDate = new Date();

	var currYear = objDate.getYear();

	if(typeof(sb_year) == 'undefined')

		sb_year = currYear - 1;

	if(typeof(se_year) == 'undefined')

		se_year = currYear + 222;

	if(!checkIntVal(Year, sb_year, se_year))

		return false;	

	if(!checkIntVal(Month, 1, 12))

		return false;	

	if(!checkIntVal(Day, 1, 31))

		return false;	

	if (Month == 4 || Month == 6 || Month == 9 || Month == 11 )

		if(Day > 30)

			return false;

	if(((Year % 4 == 0) && (Year %100 != 0)) || Year % 400 == 0) {

		if((Month == 2 ) && ( Day > 29))

			return false;

	} else

		if((Month == 2 ) && ( Day > 28))

			return false;

	if((Hour > 23) || ( Minute > 59)) 

		return false;

	return 	true;

}

//Kiem tra ngay bat dau va ket thuc co hop le khong

function checkCondDate(fromDate, toDate) {

	fromYear = getYearToInt(fromDate);

	fromMonth = getMonthToInt(fromDate);

	fromDay = getDateToInt(fromDate);

	toYear = getYearToInt(toDate);

	toMonth = getMonthToInt(toDate);

	toDay = getDateToInt(toDate);

	if(fromYear < toYear)

		return true;

	if(fromYear == toYear)

		if(fromMonth == toMonth) {

			if(fromDay <= toDay)

				return true;

		} else

			if(fromMonth < toMonth)

				return true;

	return false;

}

//Kiem tra ngay bat dau va ket thuc co hop le khong

function checkCondDatetime(fromDate, toDate) {

	fromYear = getYeartimeToInt(fromDate);

	fromMonth = getMonthtimeToInt(fromDate);

	fromDay = getDaytimeToInt(fromDate);

	fromHour=getHourtimeToInt(fromDate);

	fromMinute=getMinutetimeToInt(fromDate);

	toYear = getYeartimeToInt(toDate);

	toMonth = getMonthtimeToInt(toDate);

	toDay = getDaytimeToInt(toDate);

	toHour=getHourtimeToInt(toDate);

	toMinute=getMinutetimeToInt(toDate);

	if(fromYear < toYear)

		return true;

	if(fromYear == toYear)

		if(fromMonth == toMonth) {

			if(fromDay == toDay){

				if(fromHour==toHour){

					if(fromMinute<=toMinute) return true;

				}else 

					if(fromHour<toHour) return true;

			}else 

				if(fromDay < toDay)

					return true;

		} else

			if(fromMonth < toMonth)

				return true;

	return false;

}

//Ham nay kiem tra ngay nhap vao so voi ngay hien hanh

function checkDateCurrent(strDate) {

	if(!checkFormatDate(strDate))

		return false;

	inputYear = getYearToInt(strDate);

	inputMonth = getMonthToInt(strDate);

	inputDate = getDateToInt(strDate);

	thisDate = new Date();

	currentDate = thisDate.getDate();

	currentMonth = thisDate.getMonth() + 1;

	currentYear = thisDate.getYear();

	if(inputYear > currentYear)

		return true;

	if(inputYear == currentYear)

		if(currentMonth == inputMonth) {

			if(currentDate < inputDate)

				return true;

		} else

			if(currentMonth < inputMonth)

				return true;

	return false;

}

function printArticle() {

	var agt=navigator.userAgent.toLowerCase();

	if (window.print) {

		setTimeout('window.print();',200);

	}

	else if (agt.indexOf("mac") != -1) {

		alert("Press 'Cmd+p' on your keyboard to print article.");

	}

	else {

		alert("Press 'Ctrl+p' on your keyboard to print article.")

	}

}

/**

 * Sets/unsets the pointer and marker in browse mode

 *

 * @param   object    the table row

 * @param   interger  the row number

 * @param   string    the action calling this script (over, out or click)

 * @param   string    the default background color

 * @param   string    the color to use for mouseover

 * @param   string    the color to use for marking a row

 *

 * @return  boolean  whether pointer is set or not

 */

var marked_row = new Array;



function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)

{

    var theCells = null;



    // 1. Pointer and mark feature are disabled or the browser can't get the

    //    row -> exits

    if ((thePointerColor == '' && theMarkColor == '')

        || typeof(theRow.style) == 'undefined') {

        return false;

    }



    // 2. Gets the current row and exits if the browser can't get it

    if (typeof(document.getElementsByTagName) != 'undefined') {

        theCells = theRow.getElementsByTagName('td');

    }

    else if (typeof(theRow.cells) != 'undefined') {

        theCells = theRow.cells;

    }

    else {

        return false;

    }



    // 3. Gets the current color...

    var rowCellsCnt  = theCells.length;

    var domDetect    = null;

    var currentColor = null;

    var newColor     = null;

    // 3.1 ... with DOM compatible browsers except Opera that does not return

    //         valid values with "getAttribute"

    if (typeof(window.opera) == 'undefined'

        && typeof(theCells[0].getAttribute) != 'undefined') {

        currentColor = theCells[0].getAttribute('bgcolor');

        domDetect    = true;

    }

    // 3.2 ... with other browsers

    else {

        currentColor = theCells[0].style.backgroundColor;

        domDetect    = false;

    } // end 3



    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it

    if (currentColor.indexOf("rgb") >= 0) 

    {

        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,

                                     currentColor.indexOf(')'));

        var rgbValues = rgbStr.split(",");

        currentColor = "#";

        var hexChars = "0123456789ABCDEF";

        for (var i = 0; i < 3; i++)

        {

            var v = rgbValues[i].valueOf();

            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);

        }

    }



    // 4. Defines the new color

    // 4.1 Current color is the default one

    if (currentColor == ''

        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {

        if (theAction == 'over' && thePointerColor != '') {

            newColor              = thePointerColor;

        }

        else if (theAction == 'click' && theMarkColor != '') {

            newColor              = theMarkColor;

            marked_row[theRowNum] = true;

            // Garvin: deactivated onclick marking of the checkbox because it's also executed

            // when an action (like edit/delete) on a single item is performed. Then the checkbox

            // would get deactived, even though we need it activated. Maybe there is a way

            // to detect if the row was clicked, and not an item therein...

            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;

        }

    }

    // 4.1.2 Current color is the pointer one

    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()

             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {

        if (theAction == 'out') {

            newColor              = theDefaultColor;

        }

        else if (theAction == 'click' && theMarkColor != '') {

            newColor              = theMarkColor;

            marked_row[theRowNum] = true;

            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;

        }

    }

    // 4.1.3 Current color is the marker one

    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {

        if (theAction == 'click') {

            newColor              = (thePointerColor != '')

                                  ? thePointerColor

                                  : theDefaultColor;

            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])

                                  ? true

                                  : null;

            // document.getElementById('id_rows_to_delete' + theRowNum).checked = false;

        }

    } // end 4



    // 5. Sets the new color...

    if (newColor) {

        var c = null;

        // 5.1 ... with DOM compatible browsers except Opera

        if (domDetect) {

            for (c = 0; c < rowCellsCnt; c++) {

                theCells[c].setAttribute('bgcolor', newColor, 0);

            } // end for

        }

        // 5.2 ... with other browsers

        else {

            for (c = 0; c < rowCellsCnt; c++) {

                theCells[c].style.backgroundColor = newColor;

            }

        }

    } // end 5



    return true;

} // end of the 'setPointer()' function

function kiemtrangay(date,month)

{

	switch(month)

	{

		case '04':

		case '06':

		case '09':

		case '11': 

			if(date>'30') return 0;

			break;

		case '02':

			if(date>'28') return 0;

			break;

	}

	return 1;

}

function kiemtrangaythangofsearch()

{

	date=searchtin.ngay.options[searchtin.ngay.selectedIndex].value;

	if(date.length<2) date="0"+date;

	month=searchtin.thang.options[searchtin.thang.selectedIndex].value;

	if(month.length<2) month="0"+month;

	year=searchtin.nam.value;

	if(!kiemtrangay(date,month))

	{

		alert("Date invalid, please select date again!");

		return;

	}

	else

	{

		searchtin.ketqua.value=year+"-"+month+"-"+date;

		if(date=="00")

		{

			searchtin.ketqua.value=year+"-"+month+"-";

			//alert(searchtin.ketqua.value);

		}

		document.searchtin.submit();

	}

}