/*

  JavaScript Captcha Script
   -  2009 Shaun Gill  -
http://www.landingnet.co.uk
http://www.shaungill.co.uk   

*/


	
// Set Variables	
	var site	=	'/scripts/';  // this needs to be the 'root' of the site
	
	var first	=	(Math.floor(Math.random()*10))+'';
	var second	=	(Math.floor(Math.random()*10))+'';
	var third	=	(Math.floor(Math.random()*10))+'';
	var fourth	=	(Math.floor(Math.random()*10))+'';
	var fith	=	(Math.floor(Math.random()*10))+'';
	
	var captcha	=	(first + second + third + fourth + fith);


	
function jscaptcha()
{
// Display the Captcha Images
	
	document.write("<label>&nbsp;</label>");
	document.write("<div id=\"jscaptcha\" style=\"border: 1px solid #f90; width: 155px;\">");

//	document.write("<img src=\"" + site + "images/" + first	+ ".gif\" alt=\"\">");
//	document.write("<img src=\"" + site + "images/" + second + ".gif\" alt=\"\">");
//	document.write("<img src=\"" + site + "images/" + third + ".gif\" alt=\"\">");
//	document.write("<img src=\"" + site + "images/" + fourth + ".gif\" alt=\"\">");
//	document.write("<img src=\"" + site + "images/" + fith + ".gif\" alt=\"\">");

	document.write("<img src=\"" + site + "images/" + first	+ ".gif\" alt='" + first + "'>");
	document.write("<img src=\"" + site + "images/" + second + ".gif\" alt='" + second + "'>");
	document.write("<img src=\"" + site + "images/" + third + ".gif\" alt='" + third + "'>");
	document.write("<img src=\"" + site + "images/" + fourth + ".gif\" alt='" + fourth + "'>");
	document.write("<img src=\"" + site + "images/" + fith + ".gif\" alt='" + fith + "'>");
	document.write("</div>");
	
	
// Display the Input Box
	document.write("<label>Type the numbers as they appear in the image: </label>");
	document.write("<input type=\"text\" name=\"jscaptchaInput\">");
	
}

function jscaptchaSubmit(frm)
{
	if(frm.jscaptchaInput.value != captcha)
	{
		alert("Please double check the numbers you entered; I\'m afraid they don\'t quite match");
		valid = false;		
	}
	else
	{
		valid = true;
	}
	return valid;
}