function validate_form2()
{
	var days = document.getElementById("duration").value;
	if (days == "none")
		{
				alert("Please enter your rental duration");
				return false;
		}
}
function validateNews()
{
	var email   = document.getElementById("newsletter").value;
	var at = "@";
	var dot = ".";
	var lat = email.indexOf(at);
	var lstr = email.length;
	var ldot = email.indexOf(dot);
	
	if (email.indexOf(at)==-1){
	   alert("Invalid E-mail");
	   return false;
	}else if (email.indexOf(at)==-1 || email.indexOf(at)==0 || email.indexOf(at)==lstr){
	   alert("Invalid E-mail");
	   return false;
	}else if (email.indexOf(dot)==-1 || email.indexOf(dot)==0 || email.indexOf(dot)==lstr){
		alert("Invalid E-mail");
		return false;
	}else if (email.indexOf(at,(lat+1))!=-1){
		alert("Invalid E-mail");
		return false;
	}else if (email.substring(lat-1,lat)==dot || email.substring(lat+1,lat+2)==dot){
		alert("Invalid E-mail");
		return false;
	}else if (email.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail");
		return false;
	}else if (email.indexOf(" ")!=-1){
		alert("Invalid E-mail");
		return false;
	}
}