// affiliate function for form submission
function addAffiliate(formNum)
{
	var partNumValue=document.forms[formNum].PartNo.value;
	var affValue=readCookie("affiliate");
	if(affValue == null)
	{
		var finalPartNoValue=partNumValue;
	}
	else
	{
		var finalPartNoValue=partNumValue + affValue;
	}
	document.forms[formNum].PartNo.value=finalPartNoValue;
}

// get month to create blowout sale image
function getBlowout()
{
	current_date = new Date();
	current_month = current_date.getMonth();
	current_month = current_month + 1;
	document.write('<img src="/images/blowout_'+ current_month +'.gif" width="330" height="122" border="0" alt="Blowout Sale from KO Fightgear - Peak Athletics" />')
}

// cookie handling functions
function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

// affiliate handling
var url_string = location.href;
var aff_value = "";
if(url_string.indexOf("?") != -1)
{
	var url_array = url_string.split("?");
	var qs_string = url_array[1];
	var qs_array = qs_string.split("&");
	var aff_string = qs_array[0];
	var aff_array = aff_string.split("=");
	if(aff_array[0]=="aff")
	{
		aff_value = "-" + aff_array[1];
		createCookie("affiliate", aff_value, 30);
	}
}