function validate_contact()
	
	{ var error = ""; 
	 
		if ( document.getElementById("name").value == "Name" ) {
			error += "Enter your name.\n";
		}
	  
		if ((
			( document.getElementById("email_address").value.indexOf('@',0) == -1) || 
			( document.getElementById("email_address").value.indexOf('.',0) == -1)) && 
			( document.getElementById("email_address").value != "" )) {
				error += "Email your email address.\n";
		}
	  
		if ( document.getElementById("comments").value == "Questions / Comments") {
		  error += "Enter a message.\n";
		}
	   
		if ( error != "" ) {
			alert(error);
			return false;
		} else {
			return true;
		}
	 
	 }