func.js

来自「bbs server linux平台下软件源码」· JavaScript 代码 · 共 191 行

var isNS4 = false;
var isIE3 = false;
var isGood = false;
var isOP = false;
var wmn='-1';
// Use this function to retrieve a cookie.
function getCookie(name){
    var cname = name + "="; 
    var dc = document.cookie; 
    if (dc.length > 0) { 
	begin = dc.indexOf(cname); 
	if (begin != -1) { 
            	begin += cname.length; 
		end = dc.indexOf(";", begin);
		if (end == -1) end = dc.length;
		return unescape(dc.substring(begin, end));
	} 
    }
    return null;
}

function queryString(Param, Default) 
{
         //  Extracts and returns the parameter value from the URL for the specified parameter.
         //  If the parameter does not occur is the URL, the default value is returned.
         //  This function is not Case-sensitive.
         var sURL = location.search;
         var sURLUpper = sURL.toUpperCase() + "&";
         Param = Param.toUpperCase();
         if (!Default) Default="";
    
         var Pos = sURLUpper.indexOf (Param + "=");
         if (Pos==-1) return Default;
         Pos = Pos + Param.length + 1;
         return sURL.substring (Pos, sURLUpper.indexOf("&", Pos));
}


function Is() {
	agent = navigator.userAgent.toLowerCase();
	this.major = parseInt(navigator.appVersion);
	this.ns = ((agent.indexOf('mozilla') != -1) && ((agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1)));
	this.ns4 = (this.ns && (this.major == 4));
	this.ie = (agent.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.major < 4));
	this.op	 = (agent.indexOf("opera") != -1);
	if(this.ie3) {
		isIE3 = true;
	} else if(this.ns4) {
		isNS4 = true;
	} else if(this.op) {
		isOP = true;
	} else {
		isGood = true;
	}
}

function arrangeO() {
var e, y, d=document.getElementsByTagName("div");
	y = d[0].style.pixelTop + d[0].style.pixelHeight;
	for (i=1; i<d.length; i++) {
		e=d[i];
		if (e.style.visibility!="hidden") {
			if (e.style.pixelTop!=y)
				e.style.pixelTop=y;
			y=y+e.style.pixelHeight+1;
		}
	}
}

function alarrangeO()
{
	arrangeO();
	setTimeout("alarrangeO()", 5000);
}

function arrange() {
var e, y, d=document.layers;
	y=d[0].pageY+d[0].document.height;
	for (i=1; i<d.length; i++) {
		e=d[i];
		if(e.visibility != "hide") {
			e.pageY = y;
			y=y+e.document.height;
		}
	}
}

function closemn(mn) {
var o=null;
	if(isOP){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		o.style.visibility="hidden";
                o.style.display="none";
		o=document.getElementById("img"+mn);
	}else if(isGood){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		o.style.display='none';
		o=document.getElementById("img"+mn);
	}else if(isNS4){
		o = eval("document.layers['div"+mn+"']");
		if(o==null) return;
		o.visibility = "hide";
		o=eval("document.div"+mn+"a.document.images[0]");
	}
	if(o!=null) o.src='/images/folder.gif';
}

function openmn(mn) {
var o=null;
	if(isOP){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		o.style.visibility="visible";
                o.style.display="";
		o=document.getElementById("img"+mn);
	}else if(isGood){
		o=document.getElementById("div"+mn);
		if(o==null) return;
		o.style.display="block";
		o=document.getElementById("img"+mn);
	}else if(isNS4){
		o = eval("document.layers['div"+mn+"']");
		if(o==null) return;
		o.visibility = "show";
		o=eval("document.div"+mn+"a.document.images[0]");
	}
	if(o!=null) o.src='/images/folder2.gif';
}

function changemn(mn) {
	if(wmn==mn){
		closemn(mn);
		wmn='-1';
	}else{
		if(wmn!='-1') closemn(wmn);
		openmn(mn);
		wmn=mn;
	}
	if(isNS4) arrange();
	if(isOP) arrangeO();
}

function openchat()
{
	url='bbschat';
	chatWidth=screen.availWidth;
	chatHeight=screen.availHeight;
	winPara='toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable=yes,left=0,top=0,'+'width='+(chatWidth-10)+',height='+(chatHeight-27);
	window.open(url,'_blank',winPara);
}

function change_style(style)
{
	document.cookie = 'STYLE=' + style;
	switch (style)
	{
	case 1:
		parent.mainframe.cols = "170,*";
		break;
	case 0:
	default:
		parent.mainframe.cols = "144,*";
	}
	top.f2.navigate('/cgi-bin/bbs/bbsleft');
	top.f3.navigate(top.f3.location);
	top.f4.navigate(top.f4.location);
}

Is();

with (document) {
	write("<STYLE TYPE='text/css'>");
	if (isOP) {
		write(".s {position:absolute; visibility:hidden}");
		write(".r {position:absolute; visibility:visible}")
	} else if (isNS4) {
		write(".s {position:absolute; visibility:hide}");
		write(".r {position:absolute; visibility:show}")
	}else {
		write(".s {display:none}")
	}
	write("</STYLE>");
}

if(isNS4) onload=arrange;
if(isOP) onload=arrangeO;