?? gvshowmenu.js
字號:
//Pop-it menu- By Dynamic Drive - Modified by Wbird
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
//This credit MUST stay intact for use
var GVOffX=0 //菜單距連接文字最左端距離
var GVOffY=18 //菜單距連接文字頂端距離
var vBobjects = new Array();
var fo_shadows=new Array()
var linkset=new Array()
////No need to edit beyond here
var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1
var ns6=document.getElementById&&!document.all
var ns4=document.layers
var xslDoc;
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:內(nèi)容，允許為空,vmenuobj DIV數(shù)據(jù)ID，MOD 0=關(guān)閉瀏覽器自適應(yīng)，用于版面導(dǎo)航菜單
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+GVOffX : ns6? window.pageXOffset+eventX-menuobj.contentwidth : eventX-menuobj.contentwidth
}else{
getlength=ie4? ie_x(event.srcElement)+GVOffX : 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+GVOffY-23 : ns6? window.pageYOffset+eventY-menuobj.contentheight-10 : eventY-menuobj.contentheight
} else{
getlength=ie4? ie_y(event.srcElement)+GVOffY : 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) + ')';
//el.insertAdjacentElement('afterEnd', rect);
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){
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 hidelayer() {
if(window.layerobj) {
layerobj.thestyle.visibility = (ie4 || ns6) ? "hidden" : "hide";
}
ie_clearshadow();
}
function delayhidelayer() {
if(ie4 || ns6 || ns4) {
delayhide = setTimeout("hidelayer()", 5000);
}
}
function clearhidelayer() {
if(window.delayhide) {
clearTimeout(delayhide);
}
}
function showlayer(e, vlayer, mod){
if(!(ie4 || ns4 || ns6)) {
return;
}
which = encodeHtmlTag(vlayer);
clearhidelayer();
ie_clearshadow();
layerobj = ie4 ? document.all.poplayer : ns6 ? document.getElementById("poplayer") : ns4 ? document.poplayer : "";
layerobj.thestyle = (ie4 || ns6) ? layerobj.style : layerobj;
if(ie4 || ns6) {
layerobj.innerHTML = which;
}
else {
layerobj.document.write('<layer name="gui" bgColor="#E6E6E6" width="165" onmouseover="clearhidelayer()" onmouseout="hidelayer()">' + which + '</layer>');
layerobj.document.close();
}
layerobj.contentwidth = (ie4 || ns6) ? layerobj.offsetWidth : layerobj.document.gui.document.width;
layerobj.contentheight = (ie4 || ns6)? layerobj.offsetHeight : layerobj.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;
if(rightedge < layerobj.contentwidth) {
layerobj.thestyle.left = ie4 ? document.body.scrollLeft + eventX - layerobj.contentwidth + GVOffX : ns6? window.pageXOffset + eventX - layerobj.contentwidth : eventX - layerobj.contentwidth;
}
else {
layerobj.thestyle.left = ie4 ? ie_x(event.srcElement) + GVOffX : ns6 ? window.pageXOffset + eventX : eventX;
}
if(bottomedge<layerobj.contentheight&&mod != 0) {
layerobj.thestyle.top = ie4 ? document.body.scrollTop + eventY - layerobj.contentheight-event.offsetY + GVOffY - 23 : ns6 ? window.pageYOffset + eventY - layerobj.contentheight-10 : eventY-layerobj.contentheight;
}
else {
layerobj.thestyle.top = ie4 ? ie_y(event.srcElement) + GVOffY : ns6 ? window.pageYOffset + eventY + 10 : eventY;
}
layerobj.thestyle.visibility = "visible";
ie_dropshadow(layerobj, "#999999", 3);
return false;
}
function encodeHtmlTag(text) {
text = text.replace(/&/g, "&") ;
text = text.replace(/&/g, "&") ;
text = text.replace(/"/g, """) ;
//text = text.replace(/</g, "<") ;
//text = text.replace(/>/g, ">") ;
text = text.replace(/'/g, "’") ;
return text ;
}
document.write("<DIV class=\"showMenu\" id=\"popmenu\" onmouseover=\"clearhidemenu();\" style=\"Z-INDEX: 100\" ");
document.write(" onmouseout=\"dynamichide(event);\"></DIV>");
document.write("<div class=\"poplayer\" id=\"poplayer\" style=\"Z-INDEX: 100\"></div>");?? 快捷鍵說明
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