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ÏÂÃæÊÇJS½Å±¾(floatdiv.js)
/*======================================================================
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DESIGN BY : Åí¹ú»Ô
DATE: 2004-02-26
SITE: http://kacarton.yeah.net/
BLOG: http://blog.csdn.net/nhconch
EMAIL: kacarton@sohu.com
ÎÄÕÂΪ×÷ÕßÔ´´£¬×ªÔØÇ°ÇëÏÈÓë±¾ÈËÁªÏµ£¬×ªÔØÇë×¢Ã÷ÎÄÕ³ö´¦¡¢±£Áô×÷ÕßÐÅÏ¢£¬Ð»Ð»Ö§³Ö£¡
======================================================================*/
var alLeft = 0, alCenter = 1, alRight = 2; //ˮƽ¶ÔÆë·½Ê½
var alTop = 0, alMiddle = 1, alBottom = 2; //´¹Ö±¶ÔÆë·½Ê½
var f = new Array();
var cnt = 0;
function floatDiv(objId, align, vAlign, x, y, smooth)
{
/*¸¡¶¯¿é¶ÔÏó
Êý¾Ý½á¹¹£º
objId£º ¶ÔÏóID
align£º ˮƽ¶ÔÆë·½Ê½£¬Ã¶¾ÙÐÍ
vAlign£º´¹Ö±¶ÔÆë·½Ê½£¬Ã¶¾ÙÐÍÄÚÈÝ
x, y£º xy×ù±ê£¬ÕûÐÍ
smooth£ºÆ½»¬Òƶ¯£¬²¼¶ûÐÍ
*/
this.objId = objId;
this.align = align;
this.vAlign = vAlign;
this.x = x;
this.y = y;
this.smooth = smooth;
}
function addDiv(objId, align, vAlign, x, y, smooth)
{ //Ìí¼Ó¸¡¶¯¿é
f[cnt++] = new floatDiv(objId, align, vAlign, x, y, smooth);
}
function floatMove()
{ //ÖØÐ¶¨Î»¸÷¿éλÖÃ
var objX, objY;
if (document.all)
{
var d = document.body;
//status = "scrollLeft:"+f[0].objId.style.pixelTop+"| offsetWidth:"+d.offsetWidth;
for (var i=0; i<f.length; i++)
{
switch (f[i].align)
{
case alLeft : objX = d.scrollLeft + f[i].x; break;
case alCenter: objX = d.scrollLeft + Math.ceil((d.offsetWidth - f[i].objId.offsetWidth)/2) + f[i].x; break;
case alRight : objX = d.scrollLeft + d.offsetWidth - f[i].x - f[i].objId.offsetWidth - 20; break; //¼õ¹ö¶¯Ìõ20
}
switch (f[i].vAlign)
{
case alTop : objY = d.scrollTop + f[i].y; break;
case alMiddle: objY = d.scrollTop + Math.ceil((d.offsetHeight - f[i].objId.offsetHeight)/2) + f[i].y; break;
case alBottom: objY = d.scrollTop + d.offsetHeight - f[i].y - f[i].objId.offsetHeight; break;
}
if (f[i].smooth) smoothMove(f[i].objId, objX, objY);
else
{
f
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