function validate_feed() //for validating the form
{
	if (document.form1.txtName.value.length  < 3 )
	{
		alert("Please Enter Your Name Correctly.");
		document.form1.txtName.focus();
		return false;
	}

	if (document.form1.txtAddress.value.length<5)
	{
		alert("Please Enter Address Correctly.");
		document.form1.txtAddress.focus();
		return false;
	}	
		if (document.form1.txtContact.value.length  < 10 )
	{
		alert("Please Enter Contact No. Correctly.");
		document.form1.txtContact.focus();
		return false;
	}
	if (document.form1.txtEmail.value.length){
	if (!validate_emails(document.form1.txtEmail.value))
	{
		alert("Please Enter A Valid E-Mail Address.");
		document.form1.txtEmail.focus();
		return false;
	}}

		if (document.form1.txtMsg.value.length  < 6 )
	{
		alert("Please Enter Some Message.");
		document.form1.txtMsg.focus();
		return false;
	}


	return true;

}

function validate_emails(str) {
  if (window.RegExp) {      
    var regstr = "^[ ]*[a-zA-Z0-9_\\-\\.]+\\@([a-zA-Z0-9]+\\.){1,4}[a-zA-Z]{2,3}$";
    var reg = new RegExp(regstr);
    if (!reg.test(str)) {     
     return false;
    }
  } else {
    if(str.indexOf("@") <= 0)
     return false;
    }
	return true;
}