function close_welcome(){
	var target= $('welcome-wrapper');
	target.style.display= 'none';
	Cookie.set('no-welcome',1,1);
}
function init(){
	if(!document.getElementById || !document.getElementsByTagName || !document.createTextNode){return;}
	var target= $('welcome-close');
	if(target != null){
		var x_close= target.getElementsByTagName('span').item(0);
		addEvent(x_close,'click',close_welcome,false);
	}
}
addEvent(window,'load',init,false);