main.js

JAVA下拉菜单,在别人的基础上改进,并有完整例子

// JavaScript Document
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 MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function P7_autoLayers() { //v1.4 by PVII
 var g,b,k,f,args=P7_autoLayers.arguments;a=parseInt(args[0]);if(isNaN(a))a=0;
 if(!document.p7setc){p7c=new Array();document.p7setc=true;for(var u=0;u<10;u++){
 p7c[u]=new Array();}}for(k=0;k<p7c[a].length;k++){if((g=MM_findObj(p7c[a][k]))!=null){
 b=(document.layers)?g:g.style;b.visibility="hidden";}}for(k=1;k<args.length;k++){
 if((g=MM_findObj(args[k]))!=null){b=(document.layers)?g:g.style;b.visibility="visible";f=false;
 for(var j=0;j<p7c[a].length;j++){if(args[k]==p7c[a][j]) {f=true;}}
 if(!f){p7c[a][p7c[a].length++]=args[k];}}}
}

function P7_hideDiv(evt) { //v1.3 by PVII
 var b,relT,mT=false; 
 if(document.layers){b=evt.target;if(b.p7aHide){
  b.visibility="hidden";}else{routeEvent(evt);}
 }else if(document.all&&!window.opera){b=event.srcElement;
  while(b!=null){if(b.tagName=="DIV" && b.p7ahD){mT=true;break;}b=b.parentElement;}
  if(!b.contains(event.toElement)){b.style.visibility="hidden";}
 }else if(document.getElementById){b=evt.currentTarget;relT=evt.relatedTarget;
  while(relT!=null){if(b==relT){mT=true;break;}
  relT=relT.parentNode;}if(!mT){b.style.visibility="hidden";}}
}

function P7_autoHide() { //v1.3 by PVII
 var i,g,args=P7_autoHide.arguments;
 for(i=0;i<args.length;i++){if((g=MM_findObj(args[i]))!=null){
  g.p7aHide=true;if(document.layers){
  g.captureEvents(Event.MOUSEOUT);}g.onmouseout=P7_hideDiv;g.p7ahD=true;}}
}
function MM_showHideLayers() { //v6.0
  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 P7_fixSafariBB(){ //v1.1 by PVII
if(navigator.userAgent.indexOf("Safari")>-1){
var jj=onload;if(jj){if(onunload==null){
document.body.setAttribute('onunload',jj);}}}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function P7_JumpMenu(selObj,restore){ //v1.4 by Project Seven
	var theFullString = selObj.options[selObj.selectedIndex].value;
	if (restore) selObj.selectedIndex=0;
	var theLength = theFullString.length;
	var endPos = theFullString.lastIndexOf("~");
	var theUrl, theTarget, theParent;
	if (endPos > 0) {theUrl = theFullString.substring(0,endPos);}
	else {theUrl = theFullString;}
	endPos++
	if (endPos < theLength) {theTarget = theFullString.substring(endPos,theLength)}
	else {theTarget = "window:Main";}
	if (theTarget == "window:New") {window.open(theUrl);}
	else if (theTarget == "window:Main") {eval("parent.location='"+theUrl+"'");}
	else {eval("parent.frames[\'"+theTarget+"\'].location='"+theUrl+"'");}
}

function P7_JumpMenuGo(selName,restore){ //v1.1 Beta Version by Project Seven
  var selObj = MM_findObj(selName); if (selObj) P7_JumpMenu(selObj,restore);
}
// this is the script that disables the appropriate link in left hand navs
defaultStatus = ''

function disLink(FName,TLink,MOver)  {

        InString = (top.document.URL)

        LastSlash=InString.lastIndexOf('/', InString.length-1);
        OutString=InString.substring(LastSlash+1, InString.length);
        LastSlash=FName.lastIndexOf('/', FName.length-1);
        TempFName=FName.substring(LastSlash+1, FName.length);
       

        if (OutString == TempFName) {
                document.write ("<font class='dis'>"+ TLink +"</font>");
        }
        else {
                document.write ("<a href='"+ FName +"' target='_self' onclick='blur();' onmouseover='window.status=\""+ MOver +"\"; return true'>" + TLink +"</a>");
        }
}
//this function builds an locates an iframe for the disabled links script. 
//Not needed on the public site because an iframe is not used to display the nav
//function inFrame(fname, fwidth, fheight, ftop, fleft) {

//var IE = (document.all) ? true : false
//var NS4 = (document.layers) ? true : false
//var NS6 = (document.getElementById && !document.all) ? true : false

//if (NS4) {
	//document.write("<layer src='"+ fname +"'  width='"+ fwidth +"' height='"+ fheight +"' top='"+ ftop +"' left='"+fleft+"'></layer>");
//}

//else {
	//document.write("<iframe src='"+ fname +"' width='"+ fwidth +"' height='"+ fheight +"' border='0' frameborder='0' framespacing='0' marginwidth='0' marginheight='0' scrolling='no' align='left' vspace='0' hspace='0'></iframe>");
//}
//}