function check_news()
{
	

	if(document.frm_newsletter.sub_email.value.search(/\S/)==-1 || document.frm_newsletter.sub_email.value == "Enter Your Email")
	{
		alert("Please Enter Email.");
		document.frm_newsletter.sub_email.value='';
		document.frm_newsletter.sub_email.focus();
		return false;
	}
	var regEmail =  /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var email=document.frm_newsletter.sub_email.value;
	if(document.frm_newsletter.sub_email!="")
	{
	 	if(regEmail.test(email)==false)
	 	{
	 		alert("Enter valid Email Id.");
			document.frm_newsletter.sub_email.focus();
			return false;
	 	}
	}
}