function changeStepAjax() {

	_id = document.getElementById('current_step_id').value;

	advAJAX.get({
		onInitialization : function() {
	        //document.getElementById('steps_html').innerHTML= "Loading next step...";
	    },
	    url: "ajax_next_step.php?step_id="+_id,
	    onSuccess : function(obj) { 
	    	document.getElementById('steps_html').innerHTML= obj.responseText;
			Cufon.replace('h1.steps', {textShadow: '2px 2px rgba(0,0,0,0.1)'});
	     },
	    onError : function(obj) { alert("Error: " + obj.status); }
	});
}

function WindowOnload(func) { 
	var oldonload = window.onload; 
	
	if (typeof window.onload != 'function') { 
		window.onload = func; 
	} else { 
		window.onload = function() { 
			if (oldonload) 
			{ 
				oldonload(); 
			} 
			
			func(); 
		} 
	} 
}