var name_elem = document.getElementById('request_name');
var email_elem = document.getElementById('request_email');
var name_valid = document.getElementById('name_valid');
var email_valid = document.getElementById('email_valid');

function request_check_email()
{
	if(check_email())
		email_valid.innerHTML = "<img src='graphics/tick_icon.gif'>";
	else
		email_valid.innerHTML = "";
}

function request_check_email_final()
{
	if( ! check_email())
		email_valid.innerHTML = "<img src='graphics/cross_icon.gif'>";

}

function request_check_name()
{
	if(name_elem.value.replace(/\ /g,'') != "")
		name_valid.innerHTML = "<img src='graphics/tick_icon.gif'>";
	else
		name_valid.innerHTML = "";
}

function request_check_name_final()
{
	if(name_elem.value.replace(/\ /g,'') == "")
		name_valid.innerHTML = "<img src='graphics/cross_icon.gif'>";
}

function check_email() 
{
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	   var address = email_elem.value;
	   if(reg.test(address) == false) {	      
	      return false;
	   }
	  return true;
}