function init(){
	MM_preloadImages('../inc/images/aleft01.gif','../inc/images/aleft02.gif','../inc/images/aleft03.gif','../inc/images/aleft04.gif','../inc/images/aleft05.gif');
	getLoginBlock();
}

function getLoginBlock(){
	var url="../include/asp/login.asp";
	var pars="level=1";
	var myAjax=new Ajax.Updater(
			{success: "login_block"},
			url, 
			{
				method: "post", 
				parameters: pars,
				onFailure: rptErr,
				evalScripts: true
			});
}

function trim(theString){
	while(theString.substr(0,1)==" ")
		theString=theString.substr(1);

	while(theString.substr(theString.length-1,1)==" ")
		theString=theString.substr(0,theString.length-1);

	return theString;
}

function sendLoginReq(act){
	var url="../include/asp/login.asp";
	var pars="level=1&act="+act;
	if(act==1){
		var msg="";
		var j=0;
		var acnt=$F("ALLY_ACNT");
		var pwd=$F("ALLY_PWD");
		acnt=trim(acnt);
		pwd=trim(pwd);
		msg+=acnt==""?(++j)+". 请输入您的帐号\n":"";
		msg+=pwd==""?(++j)+". 请输入您的密码\n":"";
		if(msg!=""){
			alert(msg);
			return false;
		}

		pars+="&"+Form.serialize("LOGIN_FORM");
	}
	var myAjax=new Ajax.Updater(
			{success: "login_block"},
			url, 
			{
				method: "post", 
				parameters: pars,
				onFailure: rptErr,
				evalScripts: true
			});
}

function rptErr(theReq){
	alert("Error occured !");
	document.write(theReq.responseText);
}

function clearMsg(){
	if($("login_msg")) Element.hide("login_msg");
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

window.onload=init;