// Replaces Registration button with link to Payment page if special URL is called


// Retrieves value of a querystring variable
function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	}
} 

// If sku is in the querystring, replace all nav links
var sku = getQueryVariable("sku")
if (sku != "" && sku != undefined) {
	document.getElementById("nav-home").firstChild.href = "/mpws/index.html?sku=" + sku;
	document.getElementById("nav-speakers").firstChild.href = "/mpws/speakers.html?sku=" + sku;
	document.getElementById("nav-agenda").firstChild.href = "/mpws/agenda.html?sku=" + sku;
	document.getElementById("nav-registration").firstChild.href = "https://subs.timeinc.net/fortune/conference/mpw10_payment.jhtml?product1=" + sku;
	document.getElementById("nav-venue").firstChild.href = "/mpws/venue.html?sku=" + sku;
	document.getElementById("nav-highlights").firstChild.href = "/mpws/highlights.html?sku=" + sku;
	document.getElementById("nav-sbi").firstChild.href = "/mpws/emerging-entrepreneurs.html?sku=" + sku;
	document.getElementById("nav-contact").firstChild.href = "/mpws/contactus.html?sku=" + sku;
}