function checkloginform(msg1,msg2){
  if(document.loginform.username.value==''){
    alert(msg1);
    return false;
  }
  if(document.loginform.password.value==''){
    alert(msg2);
    return false;
  }
  return true;
}


if (document.images){
t_sub=new Image
tsub=new Image
t_plus=new Image
tplus=new Image
t_open=new Image
t_close=new Image

t_sub.src="templates/images/manager/tree/t_sub.gif";
tsub.src="templates/images/manager/tree/sub.gif";
t_plus.src="templates/images/manager/tree/t_plus.gif"
tplus.src="templates/images/manager/tree/plus.gif"
t_open.src="templates/images/manager/tree/open.gif"
t_close.src="templates/images/manager/tree/close.gif"
}
//
function showdiv(num){
  var imagename
  var name
  var total
  if (document.all("subtree"+num).style.display=="none" ){
                          document.all.item("subtree"+num).style.display=""
						  		if(num>10000000){
									document.all.item("image"+num).src=tsub.src
									}else{document.all.item("image"+num).src=t_sub.src}
						  document.all.item("img"+num).src=t_open.src
						  }else{
						 document.all.item("subtree"+num).style.display="none"
						 	if(num>10000000){
							document.all.item("image"+num).src=tplus.src
							}else{document.all.item("image"+num).src=t_plus.src}
						 
						 document.all.item("img"+num).src=t_close.src
						  }
  }
  //tips
 messages=new Array(17)
messages[0]=""
messages[1]=""
messages[2]=""
messages[3]=""
messages[4]=""
messages[5]=""
messages[6]=""
messages[7]=""
messages[8]=""
messages[9]=""
messages[10]=""
messages[11]=""
messages[12]=""
messages[13]=""
messages[14]=""
messages[15]=""
messages[16]=""
messages[18]=""
messages[17]=""
var browser;
if (document.all) {
		layerRef='document.all.'
		styleRef='.style.'
		changeMessages=".innerHTML=messages[num]"
		closeit=""
		browser=true
}
else
{
   alert("此效果在Netscape浏览器中不能实现！");
}
function mover(num){

	if(browser){
		eval(layerRef+'startingMsg'+changeMessages)
		eval(layerRef+'startingMsg'+closeit);
	}

}

function mout(num){
	if(browser){
		eval(layerRef+'startingMsg'+changeMessages);
		eval(layerRef+'startingMsg'+closeit);
	}
}