?? jspopup.js
字號:
?var jsAreaShowTime = 1000;
var JsAreas = new Object();
function GetArea(id)
{
return JsAreas[id] ? JsAreas[id] : (JsAreas[id] = new JsArea(id));
}
// A single popup window
function JsArea(id)
{
this.AreaId = id;
}
// Function to return the DIV Layer
JsArea.prototype.ContentArea= function()
{
var divArea = document.getElementById(this.AreaId);
if (divArea != null)
{
return divArea;
}
return null;
}
var activeAreaId = null;
// Function to show the DIV Layer
JsArea.prototype.popareaup = function(x, y)
{
if (activeAreaId != null)
jsAreaClose(activeAreaId);
var divLayer = this.ContentArea();
divLayer.style.position = 'absolute';
divLayer.style.display = 'block';
divLayer.style.left = x + 'px';
divLayer.style.top = y + 'px';
divLayer.onmouseover= JsAreaMouseOver;
divLayer.onmouseout = jsAreaMouseOut;
activeAreaId = this.AreaId;
return false;
}
// Function to hide the DIV Layer
JsArea.prototype.hide = function()
{
var divLayer = this.ContentArea();
if (divLayer != null)
divLayer.style.display = 'none';
return false;
}
// Function to be called
// by Web forms to show the Popup Window
function PopupArea(e, areaId)
{
if (self.pageYOffset || self.pageXOffset) {
posy = self.pageYOffset;
posx = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop || document.documentElement.scrollLeft ){
posy = document.documentElement.scrollTop;
posx = document.documentElement.scrollLeft;
} else if (document.body) {
posy = document.body.scrollTop;
posx = document.body.scrollLeft;
}
posx = e.clientX + posx;
posy = e.clientY + document.body.scrollTop + posy;
var area = GetArea(areaId);
area.popareaup(posx, posy);
}
// Function to hide the DIV Layer
function jsAreaClose(areaId)
{
GetArea(areaId).hide();
activeAreaId = divHangTimer = null;
}
var divHangTimer = null;
// Function to keep the Div Layer
// showing for a "period" of time
// after that period, if the mouse
// has been outside the DIV Layer,
// it will be hidden automatically
function KeepArea(areaId)
{
if (areaId == activeAreaId && divHangTimer != null)
{
clearTimeout(divHangTimer);
divHangTimer = null;
}
}
// Function to release the DIV Layer
function RelArea(areaId)
{
if (areaId == activeAreaId && divHangTimer == null)
divHangTimer = setTimeout('jsAreaClose(\'' + areaId + '\')', jsAreaShowTime);
}
// Function fired when mouse is over the
// DIV Layer, used to keep the layer showing
function JsAreaMouseOver(e)
{
if (!e)
var e = window.event;
var targ = e.target ? e.target : e.srcElement;
KeepArea(activeAreaId);
}
// Function that fires when mouse is out of
// the scope of the DIV Layer
function jsAreaMouseOut(e)
{
if (!e)
var e = window.event;
var targ = e.relatedTarget ? e.relatedTarget : e.toElement;
var activeAreaView = document.getElementById(activeAreaId);
if (activeAreaView != null && !jsAreaContains(activeAreaView, targ))
RelArea(activeAreaId);
}
function jsAreaContains(parent, child)
{
while(child)
if (parent == child) return true;
else
child = child.parentNode;
return false;
}
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