?? position.js
字號:
/*
Copyright 2001~2002 WWW.ZWCITY.COM ????. All rights reserved.
Write by 2002-4-1
Edit by XiaoZeLin
Emailto: XiaoZeLin@163.net
HomePage: http://www.zwcity.com
Address: Shantou Guangdong China
*/
isIE = (document.all ? true : false);
isNS = (document.layers ? true : false);
function getFromID(eltname){
if (isIE) return document.all[eltname];
else if (isNS) return document.layers[eltname];
else return false;
}
function getXBrowserRef(eltname) {
return (isIE ? document.all[eltname].style : document.layers[eltname]);
}
function hideElement(eltname) {getXBrowserRef(eltname).visibility = 'hidden';}
function getIEPos(elt,which) {
iPos = 0
while (elt!=null) {
iPos += elt["offset" + which]
elt = elt.offsetParent
}
return iPos
}
function getIEPosX(elt) { return getIEPos(elt,"Left"); }
function getIEPosY(elt) { return getIEPos(elt,"Top"); }
function setPosition(elt,positionername,moveX,moveY) {
positioner = document.all[positionername];
elt = getXBrowserRef(elt);
elt.left = getIEPosX(positioner);
elt.top = getIEPosY(positioner);
elt.visibility = 'visible';
if (moveX!=null) elt.left = elt.pixelLeft + moveX;
if (moveX!=null) elt.top = elt.pixelTop + moveY;
}
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