function validateForumForm(myform) {
	var	ITEM_USERNAME=trimstring(myform.ITEM_USERNAME.value);
	var	ITEM_USERADDRESS=trimstring(myform.ITEM_USERADDRESS.value);
	var	ITEM_USERPHONE=trimstring(myform.ITEM_USERPHONE.value);
	var	ITEM_USEREMAIL=trimstring(myform.ITEM_USEREMAIL.value);
	var ITEM_SUBJECT=trimstring(myform.ITEM_SUBJECT.value);
	var ITEM_TEXT=trimstring(myform.ITEM_TEXT.value);
	
	if (ITEM_USERNAME.search("scrip")>=0)
	{
		alert("Nhap lai ho ten / Nick name !");  
		myform.ITEM_USERNAME.focus();
		return false; 
	}
	if (ITEM_USERADDRESS.search("scrip")>=0)
	{
		alert("Nhap lai dia chi !");  
		myform.ITEM_USERADDRESS.focus();
		return false; 
	}
	if (ITEM_USERPHONE.search("scrip")>=0)
	{
		alert("Nhap lai dien thoai !");  
		myform.ITEM_USERPHONE.focus();
		return false; 
	}
	if (ITEM_USEREMAIL.search("scrip")>=0)
	{
		alert("Nhap lai email !");  
		myform.ITEM_USEREMAIL.focus();
		return false; 
	}
	if (ITEM_SUBJECT.search("scrip")>=0)
	{
		alert("Nhap vao chu de !");  
		myform.ITEM_SUBJECT.focus();
		return false; 
	}
	if (ITEM_TEXT.search("scrip")>=0)
	{
		alert("Nhap vao noi dung !");  
		myform.ITEM_TEXT.focus();
		return false; 
	}
	if ((ITEM_USERNAME=="") || (ITEM_USERNAME.length>200))
	{   
		alert ("Nhap vao ho ten / nick name !");   
		myform.ITEM_USERNAME.focus();
		return false;   
	} 
	if ((ITEM_SUBJECT=="") || (ITEM_SUBJECT.length>200))
	{   
		alert ("Nhap vao chu de !");   
		myform.ITEM_SUBJECT.focus();
		return false;   
	} 
	if (ITEM_TEXT=="")
	{   
		alert ("Nhap vao noi dung !");   
		myform.ITEM_TEXT.focus();
		return false;   
	} 
	
	return true;
}