function MM_findObj(n, d) {
  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_showHideLayers() {
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function BNX_showHideObject() {
 	var i,obj,args = BNX_showHideTables.arguments;
 	for(i=0; i<(args.length-1); i+=2){
 		if((obj=MM_findObj(args[i]))!=null){
 			obj.style.display=args[i+1];
 		}
 	}
}

function BNX_switchObject(o){
	var obj = MM_findObj(o);
	if(obj!=null){
		if(obj.style.display == "block"){
			obj.style.display = "none";	
		}else{
			obj.style.display = "block";
		}
	}
}

function BNX_changeURL(){
	var u="";
	var frm;
	var args = BNX_chgURL.arguments;
	
	if((frm=MM_findObj(args[0])) != null){
		for(var i=1; i<args.length; i++){
			u=u+args[i];
		}
		frm.action=u;
		frm.submit();
	}else{
		return false;
	}
}

function BNX_switchClass(o,p){
 	var obj=MM_findObj(o);
 	if(obj!=null){
		obj.className = p;
	}
}

function BNX_setPage(f,u,p){
	var frm = MM_findObj(f);
	frm.action = u+"page="+p;
	frm.submit();	
}

function checkNecessaryInput(obj){
	var s="";
	var i;
	var j=0;
	for (i=0 ;(i<obj.elements.length)&&(j<10);i++){
		if (( obj.elements[i].alt != null ) && (obj.elements[i].alt.length>0) && (obj.elements[i].value!=null) && (obj.elements[i].value.length==0) ){
			s+="\n  "+obj.elements[i].alt;
			j=j+1;
		}
	}
	if (j>0 ){
		alert ("以下资料必须输入:"+s);
		return false;
	}
	return true;
}