function chkfrmTellafriend()
{ 	flg = 0;
	
	if(document.frmTellafriend.name.value == "")
	{	
		flg = 1;
		alert("Please enter your name.");
		document.frmTellafriend.name.focus()
		return false;
	}
	if(document.frmTellafriend.femail.value=="")
	{	
		flg = 1;
		alert("Please enter friends' Email Id.");
		document.frmTellafriend.femail.focus()
		return false;
	}	
	if(document.frmTellafriend.femail.value!="")
	{
		if(echeck(document.frmTellafriend.femail.value)==false)
		{
			flg = 1;
			document.frmTellafriend.femail.value="";
			document.frmTellafriend.femail.focus()
			return false;
		}
	}
	if(document.frmTellafriend.msg.value=="")
	{	
		flg = 1;
		alert("Please enter Message.");
		document.frmTellafriend.msg.focus()
		return false;
	}
	if(flg == 1)
		return false;
	else
		document.frmTellafriend.submit()	
}