function commentChk(){

	if(document.feedback.name.value==""){
		alert("Plese Enter Your Name");
		document.feedback.name.focus();
		return false;
	}

	if(document.feedback.email.value==""){
		alert("Plese Enter Your E-Mail Id");
		document.feedback.email.focus();
		return false;
	}

	if(document.feedback.email.value!=""){
		regex = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/ //new RegExp(pattern)

		if (!regex.test(document.feedback.email.value)){
			alert("Please enter a valid Email Address" + ",\nfor example : \n     'yourname@domain.com'  OR\n     'yourid@yourdomain.co.in'  OR\n     'yourid.somname@domain.co.in' " );
			document.feedback.email.focus();
			return false;
		}
	}

	if(document.feedback.phone.value==""){
		alert("Plese Enter Your Phone No");
		document.feedback.phone.focus();
		return false;
	}

	if (isNaN(document.feedback.phone.value)){
		alert('Please enter a numeric value for Phone No.');
		document.feedback.phone.focus();
		return false;
  	}


	if(document.feedback.comments.value==""){
		alert("Plese Enter Your Comments");
		document.feedback.comments.focus();
		return false;
	}


	document.feedback.action = "ins_feedback.asp";
	document.feedback.submit();
	return true;
}