function check_email()
{
	var email=document.getElementById("email").value;
	var not_valid = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
	var valid = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
	if(not_valid.test(email) || !valid.test(email)) 
	{ 
		alert("Please enter the email address in proper format");
		return false;
	}
}
function check_blank()
{
	var name=document.getElementById("pname").value;
	var loc=document.getElementById("location").value;
	var email=document.getElementById("email").value;
	var phone=document.getElementById("phone").value;
	var msg=document.getElementById("feedback").value;
	var subj=document.getElementById("subject").value;
	if(name=="" || loc=="")
	{
		alert("Please fill in name and location");
		return false;
		stop();
	}
	else if(email=="" || subj=="")
	{
			alert("Please enter your email address and Subject");
			return false;
			stop();
	}
	else
	{
		var not_valid = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/;
		var valid = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$/;
		if(not_valid.test(email) || !valid.test(email)) 
		{ 
			alert("Please enter the email address in proper format");
			return false;
			stop();
		}
	}
}