function frmvalid()
{
	var frm=document.newsletterfrm;	
	var str = frm.nEmail.value;

	var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
	var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/; // valid

	if(trim(frm.nEmail.value)=="")	
	{
			alert("Please enter your E-mail ID");
			frm.nEmail.value=trim(frm.nEmail.value);
			frm.nEmail.focus();
			return false;
	}
	else if (!reg1.test(str) && reg2.test(str)){ // if syntax is valid
	   		//return true;
		}else{	
			alert ('Please enter a valid E-mail ID');
			frm.nEmail.focus();
			return false;
	}
	
	
	url=document.newsletterfrm.surl.value+"?mail="+document.newsletterfrm.nEmail.value;
	window.open(url,'thankyou','width=300,height=250,left=10,top=10,scrollbars=no'); 

	

	
}

function popup(url,name,prop){
	Hwnd = window.open(url,name,prop);
	Hwnd.window.focus();
}

function trim(m)
{
	while(m.charAt(m.length-1)==' ')
	m=m.substring(0,m.length-1);
	return m;
}