ÿþ

function resetValue1(obj, str){

	if (obj.value==str){

		obj.value = "";

	}

}

function resetValue2(obj, str){

	if (obj.value==""){

		obj.value = str;

	}

}

function ClickToURL()

 {

         var itemselect = document.getElementById("cbLinkSite").value;

         if(itemselect!="")

         window.open(document.getElementById("cbLinkSite").value);       

}     

  

function focusField(me)

{

  if (me.className=='formInputField')

      me.value='';

  me.className='formInputFieldSelected';



}



function blurField(me)

{

  me.className='formInputField';

}



function openLinkSites()

{

	var i;

	var ctrl;

	var frm;

	frm = document.forms[0];

	// Loop through all elements

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

	{

		ctrl = frm.elements[i];

		if (ctrl.id.indexOf ('ddlLinkSites') != -1) 

		{

			window.open(ctrl.value,'CustomPopUp','menubar=1, scrollbars=1, resizable=yes,toolbar=1,location=1,status=1');

			break;

		}

	}					

}

function openGoogleSearch()

{

	var i;

	var ctrl;

	var frm;

	var strSearch;

	frm = document.forms[0];

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

	{ 

		ctrl = frm.elements[i]; 

		if (ctrl.id.indexOf ('txtSearch') != -1)

		{

			ctrl.value = ctrl.value.replace(/^\s*|\s*$/g,'');

			strSearch = window.encodeURIComponent(ctrl.value);

			if (ctrl.value == '')

			{ 

				alert('Vui lòng nh­p të khoá');

			} 

			else 

			{ 

				window.open('http://www.google.com.vn/search?&q=' + strSearch + '&qfront=' + strSearch ,'GoogleSearch','menubar=1, scrollbars=1, resizable=yes,toolbar=1,location=1,status=1');

			} 

			break; 

		} 

	} 

}



function openPopup(PopupLink,PopupName)

{

	var i;

	var ctrl;

	var frm;

	frm = document.forms[0];

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

	{ 

		ctrl = frm.elements[i]; 

		window.open(PopupLink,PopupName,'menubar=1, scrollbars=1, resizable=yes,toolbar=1,location=1,status=1');

		break;

	} 

}





/**************************************/

function DisableEnter()

{

	var i;				

	

	if (event.keyCode == 13)

	{

		if(document.activeElement.type != "text" && document.activeElement.type != "button" && document.activeElement.type != "image" && document.activeElement.type != "password")

		{			

			event.returnValue=false;

			event.cancel = true;

		}

	}

}



//Dung cho textbox search

function GoogleSearchClick(ControlID)

{

	var i;

	var object;

	

	if (event.keyCode == 13)

	{

		event.returnValue=false;

		event.cancel = true;

		object = document.getElementById(ControlID);

		object.click();

	}

}





function SetDefaultButton(ArrayControlID, DefaultButtonID)

{

	var i;

	var object;

	if (event.keyCode == 13)

	{

		if(document.activeElement.type != "text" && document.activeElement.type != "button" && document.activeElement.type != "image" && document.activeElement.type != "password")

		{			

			event.returnValue=false;

			event.cancel = true;

		}

		else

		{	

			object = document.activeElement;

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

			{

				if( object.id == ArrayControlID[i] )

				{		

					event.returnValue=false;

					event.cancel = true;								

					try

					{

						document.getElementById(DefaultButtonID).click();

					}

					catch(ex)

					{}

					break;

				}

			}			

		}

	}

}



function getAbsoluteRight(objectId) {

	// Get an object left position from the upper left viewport corner

	// Tested with relative and nested objects

	o = document.getElementById(objectId);

	oLeft = o.offsetLeft            // Get left position from the parent object

	while(o.offsetParent!=null) {   // Parse the parent hierarchy up to the document element

		oParent = o.offsetParent    // Get parent object reference

		oLeft += oParent.offsetLeft // Add parent left position

		o = oParent

	}

	// Return left postion

	return oLeft + document.getElementById(objectId).clientWidth;

}



function getOffsetTop(obj)

{

	var src=obj, oTop=0

	do{

		oTop+=src.offsetTop

		src=src.offsetParent

	}

	while(src)

	return oTop

}



function getOffsetLeft(obj)

{

	var src=obj, oLeft=0

	do{

		oLeft+=src.offsetLeft

		src=src.offsetParent

	}

	while(src)

	return oLeft

}



function nothing()

{

	//alert("nothing");

}



function openpage(pageurl, pagename, pagewidth, pageheight) 

{                                          

	var attr;                                          

	attr="width="+pagewidth+",height="+pageheight+",scrollbars=yes,status=no,title=yes,toolbars=yes,resizable=yes"

	window.open(pageurl, pagename, attr);                                          

}



function openpage_noresize(pageurl, pagename, pagewidth, pageheight) 

{                                          

	var attr;                                          

	attr="width="+pagewidth+",height="+pageheight+",scrollbars=no,status=no,title=yes,toolbars=no,resizable=no"

	window.open(pageurl, pagename, attr);                                          

}



function validate_email(strcheck) 

{ 

		var charcompare="@" ;

		for (var i=1;i<strcheck.length-1;i++) 

			if (strcheck.charAt(i)==charcompare) {return true;} 

		return false; 

} 

	

function isemail(email) 

{	

	var pos1,pos2,pos3

	pos1=email.indexOf("@");	

	pos2=email.indexOf(" ");

	pos3=email.indexOf(".");	

	if ((pos1 == -1) || (pos2!= -1) || (pos3 == -1)) return false;

	else return true;

}



function trim(text)

{

	pos1=0;

	pos2=text.length-1;

	for(i=0;i<=text.length-1;i++)

		if(text.substr(i,1)==" ") pos1=i;

		else break;

	for(i=length-1;i>=0;i--)

		if(text.substr(i,1)==" ") pos2=i;

		else break;

	if (pos2<pos1) return ""

	return text.substr(pos1,pos2-pos1)

}



function trimstring(strin)

{ 

	var strtemp;

	var i; 

	strtemp="";

	i=0;

	if (strin.charAt(i)!=" "){strtemp=strtemp+strin.charAt(i);}

	for (var i=1;i<strin.length-1;i++){

		if (strin.charAt(i)==" "){

			if (strin.charAt(i+1)!=" ") {strtemp=strtemp+strin.charAt(i)}

		}

		else {strtemp=strtemp+strin.charAt(i)} 

	}

	i=strin.length;

	if (strin.charAt(i)!=" "){strtemp=strtemp+strin.charAt(i)}

	return strtemp; 

} 

	

function trimfullstring(strin)

{ 

	var strtemp 

		strtemp="" 

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

			if (strin.charAt(i)!=" ") {strtemp=strtemp+strin.charAt(i)} 

		return strtemp; 

}



function IsNumberString(MyString)

{ 

	var checkOK = "0123456789"; 

	var checkStr = MyString ; 

	var allValid = true; 

	var decPoints = 0; 

	var allNum = ""; 

	if (checkStr.length<=0) { return (false); } 

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

		ch = checkStr.charAt(i); 

		for (j = 0;  j < checkOK.length;  j++) 

			if (ch == checkOK.charAt(j)) 

				break; 

			if (j == checkOK.length) { 

				allValid = false; 

				break; 

			} 

			if (ch != ",") 

				allNum += ch; 

	} 

	if (!allValid) { return (false);} 

	return true; 

} 

	

function IsDoubleString(MyString)

{ 

	var checkOK = "0123456789."; 

	var checkStr = MyString ; 

	var allValid = true; 

	var decPoints = 0; 

	var allNum = ""; 

	if (checkStr.length<=0) { return (false); } 

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

		ch = checkStr.charAt(i); 

		for (j = 0;  j < checkOK.length;  j++) 

			if (ch == checkOK.charAt(j)) 

				break; 

			if (j == checkOK.length) { 

				allValid = false; 

				break; 

			} 

			if (ch != ",") 

				allNum += ch; 

	} 

	if (!allValid) { return (false);} 

	return true; 

} 

	

function isDigit(c) 

{

	if((c=='0')||(c=='1')||(c=='2')||(c=='3')||(c=='4')||(c=='5')||(c=='6')||(c=='7')||(c=='8')||(c=='9'))

		return true;

	else

		return false;

}

	

function isPosInt(s)	

{

	var n;

	n = s.length

	if(n==0) return false;

		for(i=0;i<n;i++)

			if(!isDigit(s.charAt(i))) return false;

		return true;

}



function isPosReal(s)

{

	var dot;

	s = trim(s);

	dot =0;

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

		if(!isDigit(s.charAt(i))) 

		{

			if(s.charAt(i)=='.') 

			{

				dot++;

				if(i==s.length-1) return false;

				if(dot>1) return false;

			}

			else return false;	

		}

	return true;

}



function isValidDate(strDate)

{

	 var m;

	 var d;

	 var y;

	 var i1;

	 var i2;

	 

	 strDate=trim(strDate);

	 if(strDate=="") return false;

	 i1 = strDate.indexOf("/")

	 if(i1<0) return false;

	 m = strDate.substring(0,i1)

	 i2= strDate.indexOf("/",i1+1)

	 if(i2<0) return false;

	 d = strDate.substring(i1+1,i2)

	 y = strDate.substring(i2+1)



	 if((m=="")||(d=="")||(y=="")) return false;

	 if((m==0)||(d==0)||(y==0)) return false;

	 if(!isPosInt(m))

	 	 return false;

	 else

	 	{	

		 m = parseInt(m);

		 if(m>12) return false;

	 	}



	 if(!isPosInt(y))

	 	 return false;

	 else

		{

		 y = parseInt(y)

		 if(y>9999) return false;

		}



	 if(!isPosInt(d))

	 	 return false;

	 else

		{

		 d = parseInt(d)

		 if((m==1)||(m==3)||(m==5)||(m==7)||(m==8)||(m==10)||(m==12))

			 if(d>31) return false;

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

			if(d>30) return false;



		 if(m==2)

			{

			 if(d>29) return false;

			 if((y%4)!=0) // not a leap year

			 	if(d>28) return false;

			}

		}



	return true;

}



function isEmail(strEmail)

{

	var intlen;

	var ctmp;

	strEmail = trim(strEmail);

	if(strEmail=='') return false;

	intlen=strEmail.length;

	if(intlen<5) return false;

	if(strEmail.indexOf('@')==-1) return false;

	if(strEmail.indexOf('.')==-1) return false;

	if(intlen - strEmail.lastIndexOf('.') -1 > 3) return false; 

	if((strEmail.indexOf("_")!=-1) && (strEmail.lastIndexOf("_") > strEmail.lastIndexOf("@"))) return false;

	if(strEmail.lastIndexOf(".") <= strEmail.lastIndexOf("@")+1)  return false;

	if(strEmail.indexOf("@")!=strEmail.lastIndexOf("@")) return false;

	if(intlen -1 == strEmail.lastIndexOf('.')) return false;

	if(strEmail.charAt(strEmail.indexOf('@')+1)=='.') return false;

	if(strEmail.indexOf(" ")!=-1) return false;

	if(strEmail.indexOf("..")!=-1) return false;

 

	strEmail=strEmail.toLowerCase();

	for(intcnt=0;intcnt<intlen;intcnt++)

	{

		ctmp = strEmail.charAt(intcnt)

		if((!isDigit(ctmp))&& ((ctmp>'z')||(ctmp<'a')) && (ctmp!='-') && (ctmp!='.') && (ctmp!='@') && (ctmp!='_')) return false;

	}

	return true	;

}



function isZip(str)

{

	str=trim(str);

	if(str=='') return false;

	if(str.length!=5) return false;

	if(!isPosInt(str)) return false;

	return true;

}



/*

	getFileName

	receive a full path file name, return only the file name

	ex: input = C:\Windows\myfile.txt

	output = myfile.txt

*/

function getFileName(str)

{

	var bpos

	var filename

	if((str=='')||(str.indexOf("\\")==-1)) return(str);

	bpos = str.lastIndexOf("\\");

	filename = str.substring(bpos+1,str.length)

	return(filename);

}



/* 

	getFileType

	receive a full path file name, return only the file extension

	ex: input = C:\Windows\myfile.txt

	output = txt

*/

function getFileType(str)

{

	var filename;

	var fileext;

	var dotpos;

	fileext ='';

	filename = getFileName(str);

	dotpos = filename.lastIndexOf(".");

 

	if(dotpos!=-1)

	{

		fileext = filename.substring(dotpos+1,filename.length);

		fileext = fileext.toLowerCase();

	}

	else

	{

		fileext = '';

	}

	return(fileext);

}



function validate_periodtime(form) 

{

	var dayfrom, monthfrom, yearfrom;

	var dayto, monthto, yearto;

	var datefrom, dateto;

	var ValidateDate;

	ValidateDate=true;

	dayfrom=parseInt(form.dayfrom.options[form.dayfrom.selectedIndex].value);

	monthfrom=parseInt(form.monthfrom.options[form.monthfrom.selectedIndex].value);

	yearfrom=parseInt(form.yearfrom.options[form.yearfrom.selectedIndex].value);

	dayto=parseInt(form.dayto.options[form.dayto.selectedIndex].value);

	monthto=parseInt(form.monthto.options[form.monthto.selectedIndex].value);

	yearto=parseInt(form.yearto.options[form.yearto.selectedIndex].value);

	switch (monthfrom) {

		case 4:

		case 6:

		case 9:

		case 11:

			if (dayfrom==31) ValidateDate=false;

			break;

		case 2:

			if (dayfrom>28) {

				if (dayfrom==29) {

					if ((yearfrom % 4)!=0) ValidateDate=false;

				}

				else ValidateDate=false;

			}

	}



	if (ValidateDate==false) {

		alert("The date is invalid...");

		form.dayfrom.focus();

		return false; 

	}



	switch (monthto) {

		case 4:

		case 6:

		case 9:

		case 11:

			if (dayto==31) ValidateDate=false;

			break;

		case 2:

			if (dayto>28) {

				if (dayto==29) {

					if ((yearto % 4)!=0) ValidateDate=false;

				}

				else ValidateDate=false;

			}

	}

	

	if (ValidateDate==false){

		alert("The date is invalid...");

		form.dayto.focus();

		return false;

	}

	

	datefrom=monthfrom + '/' + dayfrom + '/' + yearfrom;

	dateto=monthto + '/' + dayto + '/' + yearto;

	

	if (yearfrom < yearto) return true;

	if (yearfrom > yearto) {ValidateDate=false;}

	if (yearfrom == yearto){

		if (monthfrom < monthto) return true;

		if (monthfrom > monthto) {ValidateDate=false;}

		if (monthfrom == monthto){

			if (dayfrom <= dayto) return true;

			if (dayfrom > dayto) {ValidateDate=false; }

		}

	}

		

	if (ValidateDate==false){

		alert('From: ' + datefrom+' > To: '+dateto+' ?? ');

		return false;

	}



}



function showhide(objshowhide, textshowhide)

{

	var g=document.all(objshowhide); 

	var x=document.all(textshowhide); 

		var w=this.offsetWidth;

		if (g.style.display!='none') 

		{

			g.style.display='none';

			x.innerHTML='(show)';

		} 

		else 

		{

			g.style.display='block';

			x.innerHTML='(Hide)';

		}

}





function checkContactForm()

{

	var frmForm=document.frmContact;

	var fullname;

	var content;

	

	fullname=trimstring(frmForm.txtFullname.value);

	if (fullname=="") 

	{

		alert("Vui long nhap ho ten.");

		frmForm.txtFullname.focus();

		return false;

	}

	if ((fullname.search("scrip")>=0)||(fullname.search("objec")>=0)||(fullname.search("apple")>=0)||(fullname.search("embe")>=0))

	{

		alert("Ho ten khong hop le.");

		frmForm.txtFullname.focus();

		return false; 

	}	

	

	content=trimstring(frmForm.txtContent.value);

	if (content=="") 

	{

		alert("Vui long nhap noi dung.");

		frmForm.txtContent.focus();

		return false;

	}

	if ((content.search("scrip")>=0)||(content.search("objec")>=0)||(content.search("apple")>=0)||(content.search("embe")>=0))

	{

		alert("Noi dung khong hop le.");

		frmForm.txtContent.focus();

		return false; 

	}

	return true;

}



function checkSendQuizForm()

{ 

	var MyForm=document.frmContact;

	var txtFullname=trimstring(MyForm.txtFullname.value);

	var txtEmail=trimfullstring(MyForm.txtEmail.value); 

	var txtTitle=trimstring(MyForm.txtTitle.value);

	var txtContent=trimfullstring(MyForm.txtContent.value); 

	

	if (txtFullname=="") 

	{ 

		alert ("Vui long cung cap ho ten nguoi gui."); 

		MyForm.txtFullname.focus();

		return false; 

	}

	if (txtEmail=="") 

	{ 

		alert ("Vui long cung cap email cua nguoi gui."); 

		MyForm.txtEmail.focus(); 

		return false; 

	} 

	if (!isEmail(txtEmail))

	{ 

		alert ("Email cua nguoi gui khong hop le."); 

		MyForm.txtEmail.focus(); 

		return false; 

	} 

	

	if (txtTitle=="") 

	{

		alert("Vui long nhap tieu de cau hoi.");

		MyForm.txtContent.focus();

		return false;

	}

	if (txtContent=="") 

	{

		alert("Vui long nhap noi dung.");

		MyForm.txtContent.focus();

		return false;

	}

	return true; 

} 



function ItemMinimize(Name){

 if (Name<=100)

 {

   for(i=1;i<9;i++){

    var MItem=document.all('IDM_'.concat(i));

    if (i==Name){

      if (MItem.style.display==''){

         MItem.style.display='none';

      }else{MItem.style.display='';}

      }	else{MItem.style.display='none';}}}else{var MItem=document.all('IDM_'.concat(Name));	

     if(MItem.style.display==''){MItem.style.display='none';	}else{MItem.style.display='';

     }

     }

  }