function checkForm(){

	if(document.getElementById("first_name").value=="")
	{
		alert("Please Specify First Name.");
		document.getElementById("first_name").focus();
		return false;
	}	
	if(document.getElementById("last_name").value=="")
	{
		alert("Please Specify Last Name.");
		document.getElementById("last_name").focus();
		return false;
	}

	if(document.getElementById("email").value=="")
	{
		alert("Please Specify E-mail Address!");
		document.getElementById("email").focus();
		return false;
	}

	var reEmail = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
	if(!reEmail.test(document.getElementById("email").value))
	{	
		alert("You didn't specify a valid Email. ");
		document.getElementById("email").focus();
		return false;
	}
	
	if(document.getElementById("comments").value=="")
	{
		alert("Please Specify Comments.");
		document.getElementById("comments").focus();
		return false;
	}

	return true;
}		


function clear_value(s)

{	

	s.value = '';

}