function popup(flag){
	if(flag){
		document.getElementById('popup').style.display='block';
	}
	else{
		if(document.getElementById('popup') || document.getElementById('popup_pass')){
			document.getElementById('popup_pass').style.display='none';
			document.getElementById('popup').style.display='none';
		}
		
	}
}

function popupPasswd(flag){
	if(flag){
		document.getElementById('popup_pass').style.display='block';
	}
	else{
		document.getElementById('popup_pass').style.display='none';
	}
}

document.onmousedown = function(ev) {
	var ev = ev || window.event;
	var target = ev.target || ev.srcElement;
	//alert(target.nodeName);
	if(target.nodeName == "INPUT" && window.navigator.userAgent.indexOf("MSIE")>=0){
		return false;
	}
	if (target && target.id == 'login' ) { 
		popup(true);
	}
	else{
		while(target.parentNode&&(target.id!="popup")){
			target=target.parentNode;
			//alert(target.nodeName);
			
		}
		if(!target.parentNode)popup(false);
	}
}