function is_empty(str)
{
	return ( str==null || str==0 || str=="" || str.length<1 );
} // is_empty

function $(id)
{
	return document.getElementById(id);
} // $

function is_numeric(str)
{
	regularExp = new RegExp("^[0-9-.]*$");
	return regularExp.test(str);
} // is_numeric


function is_email(str)
{
	return ( ( str.indexOf("@")>0 ) && ( str.indexOf(".")>0 ) );
} // is_email


function clear_form(frm) {
	frm.reset();
}


//funtion value Form Contact
function contentVerificationContact()
{

	var finalMessage = "";
	var error = false;

	var client_name = $('client_name').value;
	var client_email = $('client_email').value;
	var client_message = $('client_message').value;
	var auth_code = $('auth_code').value;

	if ( is_empty(client_name) )
	{
		finalMessage += " - Your name. \n";
		error = true;
	}

	if ( is_empty(client_email) || !is_email(client_email) )
	{
		finalMessage += " - Your e-Mail. \n";
		error = true;
	}


	if ( is_empty(client_message) )
	{
		finalMessage += " - Your message. \n";
		error = true;
	}


	if ( is_empty(auth_code) || !is_numeric(auth_code)  )
	{
		finalMessage += " - Our security number. \n";
		error = true;
	}
	if ( error == false )
	{
		return true;
	}
	else
	{
		alert("It seems there''s a problem sending the information, please take a look to the following error(s):\n\n"+finalMessage);
		return false;
	}

}// contentVerificationContact


// fuction to use target blank in xhtml strict
function transformExternalAnchors()
{
	var i,a,f;
	if ( document.getElementsByTagName )
	{

		a = document.getElementsByTagName("a");
		i = 0;

		// for using in normal href tag, you you have to add: rel="external"
		// example: <a href="http://affiliate.dptsportsgroup.com" rel="external">Affiliate program</a>
		for(i=0;i<a.length;i++)
		{
			if ( a[i].getAttribute('href') && ( a[i].getAttribute("rel")=="external" ) )
			{
				a[i].target = "_blank";
			}
		} // for

		f = document.getElementsByTagName("form");
		i = 0;

		// for using in forms, you have to add in the form tag: title="external"
		// example: 		<form action=# id="frmId" title="external"></form>
		for(i=0;i<f.length;i++)
		{
			if ( f[i].getAttribute('action') && ( f[i].getAttribute("title")=="external" ) )
			{
				f[i].target = "_blank";
			}
		} // for
	} // if
} // transformExternalAnchors

window.onload = transformExternalAnchors;