main.js

一个利用ASP和ACCESS设计的图书管理系统源码

document.charset = "gb2312";
var menuOffX=0	
var menuOffY=18	
var vBobjects = new Array();
var fo_shadows=new Array();
var linkset=new Array();
var boardid=0;
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers
var xslDoc;
var cache={};
var xmlhttp = HttpObj();
var forumpath="./"
function HttpObj(){
	var xmlhttp = null;
	try{
		xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
	}catch(e){
		try{
			xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
		}catch(e){
			try{
				xmlhttp= new XMLHttpRequest();
			}catch(e){}
		}
	}
	if (xmlhttp) return xmlhttp;
}
//短信窗口
function openScript(url, width, height){
	var Win = window.open(url,"openScript",'width=' + width + ',height=' + height + ',resizable=1,scrollbars=yes,menubar=no,status=no' );
}
//插件窗口
function PlusOpen(url, width, height){
	window.open(url,"PlusOpen",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no,status=yes' );
}
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 fetch_object(idname, forcefetch)
{
	if (typeof(vBobjects[idname]) == "undefined")
	{
		vBobjects[idname] = MM_findObj(idname);
	}
	return vBobjects[idname];
}
//showmenu vmenu:内容，允许为空,vmenuobj DIV数据ID，MOD 0=关闭浏览器自适应，用于版面导航菜单
var monuobj=new Array();
function showmenu1(vmenuobj,depth){
	var obj=document.getElementById(vmenuobj);
	if (obj){
		if (monuobj[depth] && monuobj[depth]!=''){
			monuobj[depth].style.display='none';
			monuobj[depth]='';
		}
		obj.style.display ='block';
		window.__topPopMenuHidden = false;
		monuobj[depth]=obj;
	}
}
function hidemenu1(){
	if(monuobj[0]!=null && monuobj[0]!=''){
		if (monuobj[0].style.display=='block'){
			monuobj[0].style.display='none';
			window.__topPopMenuHidden = true;
		}
		monuobj[0]='';
	}
}
function showmenu(e,vmenu,vmenuobj,mod){
	if (!document.all&&!document.getElementById&&!document.layers)
		return
	var which=vmenu;
	if (vmenuobj)
	{
		var MenuObj = fetch_object(vmenuobj);
		if (MenuObj)
		{
			which = MenuObj.innerHTML;
		}
	}
	if (!which)
	{
		return
	}
	clearhidemenu();
	ie_clearshadow();
	menuobj=ie4? document.all.popmenu : ns6? document.getElementById("popmenu") : ns4? document.popmenu : ""
	menuobj.thestyle=(ie4||ns6)? menuobj.style : menuobj
	if (ie4||ns6)
		menuobj.innerHTML=which
	else{
		menuobj.document.write('<layer name=gui bgcolor="#E6E6E6" width="165" onmouseover="clearhidemenu()" onmouseout="hidemenu()">'+which+'</layer>')
		menuobj.document.close()
	}
	menuobj.contentwidth=(ie4||ns6)? menuobj.offsetWidth : menuobj.document.gui.document.width
	menuobj.contentheight=(ie4||ns6)? menuobj.offsetHeight : menuobj.document.gui.document.height
	eventX=ie4? event.clientX : ns6? e.clientX : e.x
	eventY=ie4? event.clientY : ns6? e.clientY : e.y
	var rightedge=ie4? document.body.clientWidth-eventX : window.innerWidth-eventX
	var bottomedge=ie4? document.body.clientHeight-eventY : window.innerHeight-eventY
	var getlength
		if (rightedge<menuobj.contentwidth){
			getlength=ie4? document.body.scrollLeft+eventX-menuobj.contentwidth+menuOffX : ns6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth
		}else{
			getlength=ie4? ie_x(event.srcElement)+menuOffX : ns6? window.pageXOffset+eventX : eventX
		}
		menuobj.thestyle.left=getlength+'px'
		if (bottomedge<menuobj.contentheight&&mod!=0){
			getlength=ie4? document.body.scrollTop+eventY-menuobj.contentheight-event.offsetY+menuOffY-23 : ns6? window.pageYOffset+eventY-menuobj.contentheight-10 : eventY-menuobj.contentheight
		}	else{
			getlength=ie4? ie_y(event.srcElement)+menuOffY : ns6? window.pageYOffset+eventY+10 : eventY
		}
	menuobj.thestyle.top=getlength+'px'
	menuobj.thestyle.visibility="visible"
	ie_dropshadow(menuobj,"#999999",3)
	return false
}

function ie_y(e){  
	var t=e.offsetTop;  
	while(e=e.offsetParent){  
		t+=e.offsetTop;  
	}  
	return t;  
}  
function ie_x(e){  
	var l=e.offsetLeft;  
	while(e=e.offsetParent){  
		l+=e.offsetLeft;  
	}  
	return l;  
}  
function ie_dropshadow(el, color, size)
{
	var i;
	for (i=size; i>0; i--)
	{
		var rect = document.createElement('div');
		var rs = rect.style
		rs.position = 'absolute';
		rs.left = (el.style.posLeft + i) + 'px';
		rs.top = (el.style.posTop + i) + 'px';
		rs.width = el.offsetWidth + 'px';
		rs.height = el.offsetHeight + 'px';
		rs.zIndex = el.style.zIndex - i;
		rs.backgroundColor = color;
		var opacity = 1 - i / (i + 1);
		rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
		fo_shadows[fo_shadows.length] = rect;
	}
}
function ie_clearshadow()
{
	for(var i=0;i<fo_shadows.length;i++)
	{
		if (fo_shadows[i])
			fo_shadows[i].style.display="none"
	}
	fo_shadows=new Array();
}


function contains_ns6(a, b) {
	while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
	return false;
}

function hidemenu(){
	if (window.menuobj)
		menuobj.thestyle.visibility=(ie4||ns6)? "hidden" : "hide"
	ie_clearshadow()
}

function dynamichide(e){
	e=fixE(e);

	if (ie4&&!menuobj.contains(e.toElement))
		hidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		hidemenu()
}

function delayhidemenu(){
	if (ie4||ns6||ns4)
		delayhide=setTimeout("hidemenu()",500)
}

function clearhidemenu(){
	if (window.delayhide)
		clearTimeout(delayhide)
}

function highlightmenu(e,state){
	if (document.all)
		source_el=event.srcElement
	else if (document.getElementById)
		source_el=e.target
	if (source_el.className=="menuitems"){
		source_el.id=(state=="on")? "mouseoverstyle" : ""
	}
	else{
		while(source_el.id!="popmenu"){
			source_el=document.getElementById? source_el.parentNode : source_el.parentElement
			if (source_el.className=="menuitems"){
				source_el.id=(state=="on")? "mouseoverstyle" : ""
			}
		}
	}
}

function fixE(e){var e;e=e?e:(window.event?window.event:null);return e}

if (ie4||ns6)
document.onclick=hidemenu
function doSClick() {
	var targetId, srcElement, targetElement, imageId, imageElement;
	srcElement = window.event.srcElement;
	targetId = srcElement.id + "content";
	targetElement = document.all(targetId);
	imageId = srcElement.id;
	imageId = imageId.charAt(0);
	imageElement = document.all(imageId);
	if (targetElement.style.display == "none") {
		imageElement.src = "Skins/Default/minus.gif"
		targetElement.style.display = "";
	} else {
		imageElement.src = "Skins/Default/plus.gif"
		targetElement.style.display = "none";
	}
}
function doClick() {
	var targetId, srcElement, targetElement;
	srcElement = window.event.srcElement;
	targetId = srcElement.id + "_content";
	targetElement = document.all(targetId);
	if (targetElement.style.display == "none") {
		srcElement.src = "Skins/Default/minus.gif"
		targetElement.style.display = "";
	} else {
		srcElement.src = "Skins/Default/plus.gif"
		targetElement.style.display = "none";
	}
}
function bbimg(o){
	var zoom=parseInt(o.style.zoom, 10)||100;zoom+=event.wheelDelta/12;if (zoom>0) o.style.zoom=zoom+'%';
	return false;
}
function imgzoom(img,maxsize){
	var a=new Image();
	a.src=img.src
	if(a.width > maxsize * 4)
	{
		img.style.width=maxsize;
	}
	else if(a.width >= maxsize)
	{
		img.style.width=Math.round(a.width * Math.floor(4 * maxsize / a.width) / 4);
	}
	return false;
}
function Dvbbs_ViewCode(replyid)
{
	var bodyTag="<html><head><style type=text/css>.quote{margin:5px 20px;border:1px solid #CCCCCC;padding:5px; background:#F3F3F3 }\nbody{boder:0px}.HtmlCode{margin:5px 20px;border:1px solid #CCCCCC;padding:5px;background:#FDFDDF;font-size:14px;font-family:Tahoma;font-style : oblique;line-height : normal ;font-weight:bold;}\nbody{boder:0px}</style></head><BODY bgcolor=\"#FFFFFF\" >";
	bodyTag+=document.getElementById('scode'+replyid).CodeText.value
	bodyTag+="</body></html>"
	preWin=window.open('preview','','left=0,top=0,width=550,height=400,resizable=1,scrollbars=1, status=1, toolbar=1, menubar=0');
	preWin.document.open();
	preWin.document.write(bodyTag);
	preWin.document.close();
	preWin.document.title="查看贴子内容";
	preWin.document.charset="UTF-8";
}
function BoardJumpList(boardid,act)
{
	var MenuStr="";
	if(typeof(cache["boardlist"])=="undefined")
	{
		var xmlhttp;
			try{
				xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
			}catch(e){
				try{
					xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
				}catch(e){
					try{
						xmlhttp= new XMLHttpRequest();
					}catch(e){}
				}
			}
			xmlhttp.onreadystatechange=function(){
			if(xmlhttp.readyState==4){
				if(xmlhttp.status==200){
					cache["boardlist"]=xmlhttp.responseText;
					BoardJumpList(boardid,act)
				}else{
				
				}
			}
	    }
	    xmlhttp.open("post",forumpath+"GetBoardlist.asp",true);	
	    xmlhttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
			xmlhttp.send("");
	}
	else
	{
		eval("var boardlist="+cache["boardlist"]+".data");
		MenuStr+="<div class=\"menuitems\">";
		MenuStr+=getboardmenu(boardlist,boardid);
		MenuStr+="</div>";
	}
	return MenuStr;
}
function getboardmenu(boardlist,boardid)
{
	var html="";
	for(var i=0;i<boardlist.length;i++)
	{
		
		if(parseInt(boardlist[i].parentid)==boardid){
			var LoadBoard =parseInt(boardlist[i].boardid);
			var depth = parseInt(boardlist[i].depth);
			var	boardtype = boardlist[i].boardtype;
					if (depth==0){
						var outtext="╋";
					}
					else{
						var outtext="";
						for (var j=0;j<(depth);j++)
						{
							if (j>0)
							{
								outtext+=" |"
							}
							outtext+="&nbsp;&nbsp;"
						}
						outtext+="├"
					}
				html+="<a href=\"index.asp?boardid="+LoadBoard+"\">"+ outtext + "&nbsp;" + boardtype +"</a><br />" + getboardmenu(boardlist,LoadBoard);
		}
	}
	return html;
}
//selected下拉列表选取表单()
function BoardJumpListSelect(boardid,selectname,fristoption,fristvalue,checknopost)
{
	
	if(typeof(cache["boardlist"])=="undefined")
	{
		var xmlhttp;
			try{
				xmlhttp= new ActiveXObject('Msxml2.XMLHTTP');
			}catch(e){
				try{
					xmlhttp= new ActiveXObject('Microsoft.XMLHTTP');
				}catch(e){
					try{
						xmlhttp= new XMLHttpRequest();
					}catch(e){}
				}
			}
			xmlhttp.onreadystatechange=function(){
			if(xmlhttp.readyState==4){
				if(xmlhttp.status==200){
					cache["boardlist"]=xmlhttp.responseText;
					BoardJumpListSelect(boardid,selectname,fristoption,fristvalue,checknopost);
				}else{
				
				}
			}
	    }
	    xmlhttp.open("post",forumpath+"GetBoardlist.asp",true);	
	    xmlhttp.setRequestHeader('Content-type','application/x-www-form-urlencoded');
			xmlhttp.send("");
	}
	else
	{
		var sObj = document.getElementById(selectname);
		if (sObj)
		{
			sObj.options[0] =  new Option(fristoption, fristvalue);
			eval("var boardlist="+cache["boardlist"]+".data");