// JavaScript Document

//Get a parameter from the URL
function getURLParam( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

/*
   name - name of the cookie
   value - value of the cookie
   [expires] - expiration date of the cookie
     (defaults to end of current session)
   [path] - path for which the cookie is valid
     (defaults to path of calling document)
   [domain] - domain for which the cookie is valid
     (defaults to domain of calling document)
   [secure] - Boolean value indicating if the cookie transmission requires
     a secure transmission
   * an argument defaults when it is assigned null as a placeholder
   * a null placeholder is not required for trailing omitted arguments
*/

function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

/*
  name - name of the desired cookie
  return string containing value of specified cookie or null
  if cookie does not exist
*/

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

/*
Check to see if the aff value in the Source parameter 
is found then create a cookie that will last until the browser is closed. 
*/

function checkForAffiliate() {
  var result = getURLParam("source");
  if (result.toLowerCase() == ("aff")) { //if the aff value in the Source parameter is found 
	setCookie("Affiliate","1");          
  }
}

function checkForAffCookie() {
  var cookieValue = null
  //alert("document cookieValue = " + document.cookie);
  if (document.cookie != "") { 
	cookieValue = getCookie("Affiliate");
	//alert("cookieValue = " + cookieValue);
  if (cookieValue != null){	
	  document.getElementById("call").style.display = "none";
	}
  }
}

function hideTel(){
  checkForAffiliate();
  checkForAffCookie();
}