window.onload=function(){
	headerImage();
	}

function headerImage(){
	
	// This checks whether it is being called by the blog or a normal page
	// because the blog has a different ID for the header (header-wrapper)
	if($('header-wrapper')){
		header=$('header-wrapper');
		footer=$('footer-wrapper');
		}
	else{
		header=$('header');
		footer=$('footer');
		}
	
	var newdiv = document.createElement('div');
	newdiv.setAttribute('id','header_fader');
	header.appendChild(newdiv);
	
	var randomnumber=Math.floor(Math.random()*8);
	header.style.backgroundImage="url(http://pterosaur.net/assets/header_bg_"+randomnumber+".jpg)";
	footer.style.backgroundImage="url(http://pterosaur.net/assets/header_bg_"+randomnumber+".jpg)";
	}

function submitLoginForm(){		
	$('login_form').addEvent('submit', function(e) {
		new Event(e).stop();
		})
	$('login_form').onsubmit=function(){
		$('login_form').send({update:'login'});
		}
	}
function getLoginForm(page,title){	
	url = 'login.php?mode=form&page='+page+'&title='+title;
	new Ajax(url, {method: 'get',update: $('login')}).request();
	}
 function logout(page){
	url = "login.php?mode=logout&page="+page;
	new Ajax(url, {method: 'get',update: $('login')}).request();
	}