提供四种打开新窗的形式

作者：佚名来源：不详发布时间：2006-10-29 0:24:00 发布人：admin

要完成此效果需要两个步骤

第一步：把如下代码加入到<head>区域中

<Script LANGUAGE="JavaScript">
<-- Begin
var version4 = (navigator.appVersion.charAt(0) == "4"); 
var popupHandle;
function closePopup() {
if(popupHandle != null && !popupHandle.closed) popupHandle.close();
}
function displayPopup(position,url,name,height,width,evnt) {
// position=1 POPUP: makes screen display up and/or left, down and/or right 
// depending on where cursor falls and size of window to open
// position=2 CENTER: makes screen fall in center
var properties = "toolbar = 0, location = 0, height = " + height;
properties = properties + ", width=" + width;
var leftprop, topprop, screenX, screenY, cursorX, cursorY, padAmt;
if(navigator.appName == "Microsoft Internet Explorer") {
screenY = document.body.offsetHeight;
screenX = window.screen.availWidth;
}
else {
screenY = window.outerHeight
screenX = window.outerWidth
}
if(position == 1)    { // if POPUP not CENTER
cursorX = evnt.screenX;
cursorY = evnt.screenY;
padAmtX = 10;
padAmtY = 10;
if((cursorY + height + padAmtY) > screenY) {
// make sizes a negative number to move left/up
padAmtY = (-30) + (height * -1);
// if up or to left, make 30 as padding amount
}
if((cursorX + width + padAmtX) > screenX)    {
padAmtX = (-30) + (width * -1);    
// if up or to left, make 30 as padding amount
}
if(navigator.appName == "Microsoft Internet Explorer") {
leftprop = cursorX + padAmtX;
topprop = cursorY + padAmtY;
}
else {
leftprop = (cursorX - pageXOffset + padAmtX);
topprop = (cursorY - pageYOffset + padAmtY);
   }
}
else{
leftvar = (screenX - width) / 2;
rightvar = (screenY - height) / 2;
if(navigator.appName == "Microsoft Internet Explorer") {
leftprop = leftvar;
topprop = rightvar;
}
else {
leftprop = (leftvar - pageXOffset);
topprop = (rightvar - pageYOffset);
   }
}
if(evnt != null) {
properties = properties + ", left = " + leftprop;
properties = properties + ", top = " + topprop;
}
closePopup();
popupHandle = open(url,name,properties);
}
//  End -->
</Script>

第二步：把如下代码加入到<body>区域中

<form name="formtest">
  <div align="center">窗口宽度: 
    <input maxlength=3 size=3 type=text value="220" name="testwidth">
    窗口高度: 
    <input maxlength=3 size=3 type=text value="120" name="testheight">
    <br>
    <a href="javascript:void(0)" onmouseover="window.status='Click for more information'; return true" onClick="displayPopup(1,'link.htm','popup3',document.formtest.testheight.value,document.formtest.testwidth.value,(version4 ? event : null));">Test 
    POPCLICK</a> <br>
    <a href="javascript:void(0)" onmouseover="window.status='Click for more information'; return true" onClick="displayPopup(2,'link.htm','popup3',document.formtest.testheight.value,document.formtest.testwidth.value,(version4 ? event : null));">Test 
    POPCLICKCENTER</a> <br>
    <a href="javascript:void(0)" onMouseOver="displayPopup(1,'link.htm','popup1',document.formtest.testheight.value,document.formtest.testwidth.value,(version4 ? event : null))" onMouseOut="closePopup()">Test 
    POPUP</a> <br>
    <a href="javascript:void(0)" onMouseOver="displayPopup(2,'link.htm','popup2',document.formtest.testheight.value,document.formtest.testwidth.value,(version4 ? event : null))" onMouseOut="closePopup()">Test 
    POPUPCENTER</a> </div>
</form>

特别说明：如网页特效代码中有引用图片文件等，请自己下载到本地调试！

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提供四种打开新窗的形式

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