function downloadDemo() {
	if (confirmLegal()) {
		window.location.href = "ftp://largedownloads.ea.com/pub/demos/crysis/crysis_demo.exe";
		}
	}

/**
 * loadPage - Loads a page into a div
 * @param {string} the url you want to load
 * @param {string} the id of the div you wanto to populate
 */
function loadPage(url, divId) {

    if (window.XMLHttpRequest) { // Non-IE browsers
      req = new XMLHttpRequest();
      req.onreadystatechange = function() { targetDiv(divId) };
      try {
        req.open("GET", url, true);
      } catch (e) {
        alert(e);
      }
      req.send(null);
    } 
    else if (window.ActiveXObject) { // IE
      req = new ActiveXObject("Microsoft.XMLHTTP");
      if (req) {
        req.onreadystatechange = function() { targetDiv(divId) };
        req.open("GET", url, true);
        req.send();

      }
    }
}
/**
 * targetDiv - Waits until the request is complete and makes sure and ok response was sent back
 * then populates the div with the html from the requested url 
 * @param {divId} the id of the div you wanto to populate
 */
function targetDiv(divId) {

    if (req.readyState == 4) { // Complete
          if (req.status == 200) { // OK response
              document.getElementById(divId).innerHTML = req.responseText;
			  var scriptTags = document.getElementById(divId).getElementsByTagName('script');
			  for(i=0; i < scriptTags.length; i++){
				eval(scriptTags[i].innerHTML);  
			  }
			  return false;
          } else {
            alert("Error: " + req.statusText);
          }
    }      
}

/**
* setCurSideNav - Checks to see if an object has a class current, if it does then 
* it removes it. Sets curAnchor to have a class of type current
* @param {curAnchor} an anchor object
*/
function setCurNavItem(parentId, curAnchor){
	var anchors = document.getElementById(parentId).getElementsByTagName('a');
	for(i=0; i < anchors.length; i++){
		if(hasClass(anchors[i], 'current')){
			setClass(anchors[i], 'current', false);					
		}
	}	
	setClass(curAnchor, 'current', true);
}

/**
* hasClass - Returns true if the element has the class, false otherwise
* @param {el} a html element
* @param {name} a class name
*/
function hasClass(el, name) {
	return el && el.className && new RegExp('(?:^|\\s)' + name + '(?:\\s|$)').test(el.className);
}

/**
* addClass - Adds a class to an object
* @param {el} a html element
* @param {name} a class name
*/
function addClass(el, name) {
	if (!hasClass(el, name)) el.className += (el.className ? ' ' : '') + name;
}

/**
* KillClass - Removes a class from an object
* @param {el} a html element
* @param {name} a class name
*/
function delClass(el, name) {
    if (hasClass(el, name)) el.className = el.className.replace(new RegExp('^(?:' + name + '(?:\\s+|$))+|\\s+' + name + '\\s*(?=\\s|$)', 'g'), '');
}

/**
* setClass - if true is passed in then it will add a class, else it will delete a class
* @param {el} a html element
* @param {name} a class name
* @param {add} a boolean value of true or false
*/
function setClass(el, name, add) {
	return add ? addClass(el, name) : delClass(el, name);
} 

/**
* checkDate - checks is all selects have been changed, if they have it checks to see if
* a user is 17+, if they are it sets a cookie, else displays error message
*/
function checkDate(){
	var isEmpty = true;
	var selects = document.getElementById("age-form").getElementsByTagName('select');
	for(i=0; i < selects.length; i++){
		if(selects[i].value == ""){
			isEmpty = false;
		}
	}
	if(isEmpty){
		var dateOfBirth = 	new Date (document.getElementById("birthyear").value, document.getElementById("birthmonth").value - 1, document.getElementById("birthday").value);	
		var todayDate = new Date(); 
		var seventeenYearsAgo = new Date(todayDate.getFullYear()-17, todayDate.getMonth(), todayDate.getDate(),0,0,0);
		
		if(dateOfBirth <= seventeenYearsAgo){
			setCookie('/crysis/home.jsp', 'crysis_age_verification');	
		}
		else {
			document.getElementById("age_verification").innerHTML = "<p>SORRY. UNFORTUNATELY, YOU ARE TOO YOUNG TO VIEW THESE MATERIALS</p>";	
		}
		
	}
}

/**
* setCookie - sets a cookie for a url
* @param {path} url to be stored in the cookie
* @param {name} name of the cookie
*/
function setCookie(path, name) {
	location.href = path;
	createCookie(name, path, 20);
}	
/**
* deleteCookie - deletes a cookie
* @param {path} url to be stored in the cookie
* @param {name} name of the cookie
* @param {domain} domain of the cookie
*/
function deleteCookie(name, path, domain ) {
	if (getCookie(name))
		document.cookie = name + "=" 
		+ (( path ) ? ";path=" + path : "") 
		+ (( domain ) ? ";domain=" + domain : "" ) 
		+ ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
/**
* createCookie - creates a cookie
* @param {value} calue to be stored in the cookie
* @param {name} name of the cookie
* @param {days} number of days before cookie expires
*/
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=/";
}
/**
* getCookie - gets a cookie
* @param {name} name of the cookie
*/
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));
}

/**
* Son of Suckerfih Drop Downs
*/
sfHover = function() {
		var sfEls = document.getElementById("nav").getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	
}
window.onload = function(){
	if(document.getElementById("nav")){
		if (window.attachEvent) window.attachEvent("onload", sfHover);		
	}
}