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_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_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];}
}
//-->




function dtshowtrlm(y) {
	var dtnowtrlm = document.all('dttrlm' + y);
	if (!dtnowtrlm) return;
	dthidalltrlm();
	dtnowtrlm.style.display = 'block';
}

function dthidalltrlm() {
	for(var i=0;i<5;i++) {
		document.all('dttrlm' + i).style.display = 'none';
	}
}





var m=new Array(6);
var s=new Array(6);
for(i=0;i<6;i++) {
	m[i]=1;
	s[i]=1;
	}
var delay=100;
function MenuShow(ob) {
	ob.style.visibility="visible";
	}
function MenuHide(ob) {
	if(ob.style.visibility=="hidden") return;
	var x=eval(ob.id.substring(3,4))-1;	
	if((m[x]==1)&&(s[x]==1)) ob.style.visibility="hidden";
	}

function Etdiy_GuestCheck(){
	if(document.login.txtname.value==""){
		alert("姓名不能为空^_^");
		document.login.txtname.focus();
		return false;
	}
	if(document.login.txtcontent.value==""){
		alert("留言内容不能为空^_^");
		document.login.txtcontent.focus();
		return false;
		}
	return true;
}