function checkSearch(MyForm) 
{
	var keyword=trimstring(MyForm.keyword.value);
	if (keyword=="") 
	{ 
		alert("Vui long nhap thong tin de tim kiem"); 
		MyForm.keyword.focus();
		return false; 
	}
	if ((keyword.search("scrip")>=0)||(keyword.search("objec")>=0)||(keyword.search("apple")>=0)||(keyword.search("embe")>=0))
	{
		alert("Thong tin tim kiem khong hop le.");
		MyForm.keyword.focus();
		return false; 
	}
	return true;
}

function checkSearch_Detail(MyForm) 
{
	var keyword=trimstring(MyForm.keyword.value);
	
	if ((keyword.search("scrip")>=0)||(keyword.search("objec")>=0)||(keyword.search("apple")>=0)||(keyword.search("embe")>=0))
	{
		alert("Thong tin tim kiem khong hop le.");
		MyForm.keyword.focus();
		return false; 
	}
	return true;
}

function checkLogin(MyForm) 
{
	var MEMBER_UN=trimstring(MyForm.MEMBER_UN.value);
	var MEMBER_PW=trimstring(MyForm.MEMBER_PW.value);

	if (MEMBER_UN=="") 
	{ 
		alert("Vui long nhap ten truy cap."); 
		MyForm.MEMBER_UN.focus();
		return false; 
	}
	if ((MEMBER_UN.search("scrip")>=0)||(MEMBER_UN.search("objec")>=0)||(MEMBER_UN.search("apple")>=0)||(MEMBER_UN.search("embe")>=0))
	{
		alert("Ten truy cap khong hop le.");
		MyForm.MEMBER_UN.focus();
		return false; 
	}
	if (MEMBER_PW=="") 
	{ 
		alert("Vui long nhap mat khau."); 
		MyForm.MEMBER_PW.focus();
		return false; 
	}
	return true;
}

function checkContactForm(frmForm)
{
	var fullname;
	var content;
		
	fullname=trimstring(frmForm.fullname.value);
	if (fullname=="") 
	{
		alert("Vui long nhap ho ten.");
		frmForm.fullname.focus();
		return false;
	}
	content=trimstring(frmForm.content.value);
	if (content=="") 
	{
		alert("Vui long nhap noi dung.");
		frmForm.content.focus();
		return false;
	}
		
	return true;
}

function checkFeedbackForm(frmForm)
{
	var fullname;
	var content;
	
	fullname=trimstring(frmForm.fullname.value);
	if (fullname=="") 
	{
		alert("Vui long nhap ho ten.");
		frmForm.fullname.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.fullname.focus();
		return false; 
	}	
	
	content=trimstring(frmForm.content.value);
	if (content=="") 
	{
		alert("Vui long nhap noi dung.");
		frmForm.content.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.content.focus();
		return false; 
	}
		
	return true;
}

function checkSendemailForm(MyForm)
{ 
	var txtfullname_sender=trimstring(MyForm.fullname_sender.value);
	var txtemail_sender=trimfullstring(MyForm.email_sender.value); 
	var txtfullname_receiver=trimstring(MyForm.fullname_receiver.value); 
	var txtemail_receiver=trimfullstring(MyForm.email_receiver.value); 
	if (txtfullname_sender=="") 
	{ 
		alert ("Vui long cung cap ho ten nguoi gui."); 
		MyForm.fullname_sender.value="";
		MyForm.fullname_sender.focus();
		return false; 
	}
	if (txtemail_sender=="") 
	{ 
		alert ("Vui long cung cap email cua nguoi gui."); 
		MyForm.email_sender.value="";
		MyForm.email_sender.focus(); 
		return false; 
	} 
	if (!isEmail(txtemail_sender))
	{ 
		alert ("Email cua nguoi gui khong hop le."); 
		MyForm.email_sender.focus(); 
		return false; 
	} 
	if (txtfullname_receiver=="") 
	{ 
		alert ("Vui long cung cap ho ten nguoi nhan."); 
		MyForm.fullname_receiver.value="";
		MyForm.fullname_receiver.focus(); 
		return false; 
	} 
	if (txtemail_receiver=="") 
	{ 
		alert ("Vui long cung cap email cua nguoi nhan."); 
		MyForm.email_receiver.value="";
		MyForm.email_receiver.focus(); 
		return false; 
	} 
	if (!isEmail(txtemail_receiver))
	{  
		alert ("Email cua nguoi nhan khong hop le."); 
		MyForm.email_receiver.focus(); 
		return false; 
	} 
	return true; 
} 

function window_init()
{
	window.resizeTo(window.screen.width, window.screen.height);
	window.screenLeft==0;
	window.screenTop==0
	window.focus();
}

function doMouseOverMenuLevel2(item,strBgcolor)
{
	for(i=0;i<item.children.length;i++) 
	{
		item.children(i).style.cursor='hand'; 
		item.children(i).style.backgroundColor=strBgcolor
	}
}
	
function doMouseOutMenuLevel2(item,strBgcolor)
{
	for(i=0;i<item.children.length;i++) 
		item.children(i).style.backgroundColor=strBgcolor
}
	
function doMouseClick(item)
{
	item.firstChild.firstChild.click();
}

function checkSearchENG(MyForm) 
{
	var keyword=trimstring(MyForm.keyword.value);
	if (keyword=="") 
	{ 
		alert("Please input keyword."); 
		MyForm.keyword.focus();
		return false; 
	}
	if ((keyword.search("scrip")>=0)||(keyword.search("objec")>=0)||(keyword.search("apple")>=0)||(keyword.search("embe")>=0))
	{
		alert("Invalid keyword.");
		MyForm.keyword.focus();
		return false; 
	}
	return true;
}

function checkSearch_DetailENG(MyForm) 
{
	var keyword=trimstring(MyForm.keyword.value);
	
	if ((keyword.search("scrip")>=0)||(keyword.search("objec")>=0)||(keyword.search("apple")>=0)||(keyword.search("embe")>=0))
	{
		alert("Invalid keyword.");
		MyForm.keyword.focus();
		return false; 
	}
	return true;
}

function checkContactFormENG(frmForm)
{
	var fullname;
	var content;
		
	fullname=trimstring(frmForm.fullname.value);
	if (fullname=="") 
	{
		alert("Please input fullname.");
		frmForm.fullname.focus();
		return false;
	}
	content=trimstring(frmForm.content.value);
	if (content=="") 
	{
		alert("Please input content.");
		frmForm.content.focus();
		return false;
	}
	return true;
}

function checkFeedbackFormENG(frmForm)
{
	var fullname;
	var content;
	
	fullname=trimstring(frmForm.fullname.value);
	if (fullname=="") 
	{
		alert("Please input fullname.");
		frmForm.fullname.focus();
		return false;
	}
	if ((fullname.search("scrip")>=0)||(fullname.search("objec")>=0)||(fullname.search("apple")>=0)||(fullname.search("embe")>=0))
	{
		alert("Invalid fullname.");
		frmForm.fullname.focus();
		return false; 
	}	
	
	content=trimstring(frmForm.content.value);
	if (content=="") 
	{
		alert("Please input content.");
		frmForm.content.focus();
		return false;
	}
	if ((content.search("scrip")>=0)||(content.search("objec")>=0)||(content.search("apple")>=0)||(content.search("embe")>=0))
	{
		alert("Invalid content.");
		frmForm.content.focus();
		return false; 
	}
		
	return true;
}

function checkSendemailFormENG(MyForm)
{ 
	var txtfullname_sender=trimstring(MyForm.fullname_sender.value);
	var txtemail_sender=trimfullstring(MyForm.email_sender.value); 
	var txtfullname_receiver=trimstring(MyForm.fullname_receiver.value); 
	var txtemail_receiver=trimfullstring(MyForm.email_receiver.value); 
	if (txtfullname_sender=="") 
	{ 
		alert ("Please input sender fullname."); 
		MyForm.fullname_sender.value="";
		MyForm.fullname_sender.focus();
		return false; 
	}
	if (txtemail_sender=="") 
	{ 
		alert ("Please input sender email."); 
		MyForm.email_sender.value="";
		MyForm.email_sender.focus(); 
		return false; 
	} 
	if (!isEmail(txtemail_sender))
	{ 
		alert ("Invalid sender email."); 
		MyForm.email_sender.focus(); 
		return false; 
	} 
	if (txtfullname_receiver=="") 
	{ 
		alert ("Please input receiver fullname."); 
		MyForm.fullname_receiver.value="";
		MyForm.fullname_receiver.focus(); 
		return false; 
	} 
	if (txtemail_receiver=="") 
	{ 
		alert ("Please input receiver email."); 
		MyForm.email_receiver.value="";
		MyForm.email_receiver.focus(); 
		return false; 
	} 
	if (!isEmail(txtemail_receiver))
	{  
		alert ("Invalid receiver email."); 
		MyForm.email_receiver.focus(); 
		return false; 
	} 
	return true; 
}