当前文件： W3AWPMNK1EI77/Style/fader.js[7K，2009-6-12 11:58:00]，打开代码结构图

		            
  1   FDRboxWid = 700;
  2   FDRboxHgt = 16;
  3   FDRborWid = 0;
  4   FDRborCol = "#070707";
  5   FDRborSty = "solid";
  6   FDRbackCol = "";
  7   FDRboxPad = 4;
  8
  9   FDRtxtAln = "center";
 10   FDRlinHgt = "6pt";
 11   FDRfntFam = "Verdana,Arial,Helvetica,sans-serif,宋体";
 12   FDRfntCol = "";
 13   FDRfntSiz = "9pt";
 14   FDRfntWgh = "";
 15   FDRfntSty = "normal";
 16   FDRlnkCol = "#000080";
 17   FDRlnkDec = "underline";
 18   FDRhovCol = "#2f2f4f";
 19
 20   FDRgifSrc = "images/fade.gif";
 21   FDRgifInt = 60;
 22
 23   FDRblendInt = 6;
 24   FDRblendDur = 1;
 25   FDRmaxLoops = 100;
 26
 27   FDRendWithFirst = true;
 28   FDRreplayOnClick = true;
 29   
 30   FDRjustFlip = false;
 31   FDRhdlineCount = 0;
 32
 33NS4 = (document.layers);
 34IE4 = (document.all);
 35
 36appVer = navigator.appVersion;
 37IEmac = (IE4 && appVer.indexOf("Mac") != -1);
 38IE4mac = (IEmac && appVer.indexOf("MSIE 4") != -1);
 39IE40mac = (IE4mac && appVer.indexOf("4.0;") != -1);
 40IE45mac = (IE4mac && appVer.indexOf("4.5;") != -1);
 41NSpre401 = (NS4 && (parseFloat(appVer) <= 4.01));
 42NSpre403 = (NS4 && (parseFloat(appVer) <= 4.03));
 43
 44FDRjustFlip = (window.FDRjustFlip) ? FDRjustFlip : false;
 45FDRhdlineCount = (window.FDRhdlineCount) ? FDRhdlineCount : 1;
 46
 47FDRfinite = (FDRmaxLoops > 0);
 48FDRisOver = false;
 49FDRloadCount = 0;
 50
 51blendTimer = null;
 52
 53if (!window.prefix) prefix = "";
 54window.onload = FDRcountLoads;
 55
 56if (NS4) ...{
 57    if(FDRjustFlip || NSpre403) ...{
 58        totalLoads = 1;
 59        FDRfadeImg = new Object();
 60        FDRfadeImg.width = FDRboxWid - (FDRborWid*2);;
 61    }
 62    else ...{
 63        totalLoads = 2;
 64        FDRfadeImg = new Image();
 65        FDRfadeImg.onload = FDRcountLoads;
 66        FDRfadeImg.onerror = FDRcountLoads;
 67        FDRfadeImg.src = FDRgifSrc;
 68    }
 69}
 70
 71function FDRcountLoads(e) ...{
 72    if (IE4) ...{
 73        setTimeout("FDRinit()",1);
 74    }
 75    else ...{
 76        if(e.type == "error") FDRjustFlip = true; 
 77        FDRloadCount++;
 78        if (FDRloadCount==totalLoads) ...{
 79            origWidth = innerWidth;
 80            origHeight = innerHeight;
 81            window.onresize = function()...{
 82                if (innerWidth==origWidth && innerHeight==origHeight) return;
 83                location.reload();
 84            }
 85            FDRinit();
 86        }
 87    }
 88}
 89
 90function FDRinit()...{
 91    if(!window.arNews) ...{
 92        if(!window.arTXT || !window.arURL) return;
 93        if(arTXT.length != arURL.length) return;
 94        arNews = [];
 95        for (i=0;i<arTXT.length;i++)...{
 96            arNews[arNews.length] = arTXT[i];
 97            arNews[arNews.length] = arURL[i];
 98        }
 99    }
100
101    if (NS4) ...{
102        if (!document.elFader) return;
103        with(document.classes.newslink.A) ...{
104            textDecoration = FDRlnkDec;
105            color = FDRlnkCol;
106            fontWeight = FDRfntWgh;
107            fontSize = FDRfntSiz;
108            fontStyle = FDRfntSty;
109            fontFamily = FDRfntFam;
110            lineHeight = FDRlinHgt;
111            textAlign = FDRtxtAln;
112        }
113        with(document.classes.nolink.P) ...{
114            color = FDRfntCol;
115            fontWeight = FDRfntWgh;
116            fontSize = FDRfntSiz;
117            fontStyle = FDRfntSty;
118            fontFamily = FDRfntFam;
119            lineHeight = FDRlinHgt;
120            textAlign = FDRtxtAln;
121        }
122        elFader = document.elFader;
123        with (elFader) ...{
124            document.write(" ");
125            document.close();
126            bgColor = FDRborCol;
127            clip.width = FDRboxWid;
128            clip.height = FDRboxHgt;
129        }
130
131        contWidth = FDRboxWid - (FDRborWid*2);
132        contHeight = FDRboxHgt - (FDRborWid*2);
133        elCont = new Layer(contWidth,elFader);
134        with (elCont) ...{
135            top = FDRborWid;
136            left = FDRborWid;
137            clip.width = contWidth;
138            clip.height = contHeight;
139            bgColor = FDRbackCol;
140            visibility = "inherit";
141        }
142
143        newsWidth = contWidth - (FDRboxPad*2);
144        newsHeight = contHeight - (FDRboxPad*2);
145        elNews = new Layer(newsWidth,elCont);
146        with (elNews) ...{
147            top = FDRboxPad;
148            left = FDRboxPad;
149            clip.width = newsWidth ;
150            clip.height = newsHeight;
151        }
152
153        if (!FDRjustFlip) ...{
154            elGif = new Layer(contWidth,elCont); 
155            imStr = "<IMG SRC='" + FDRgifSrc +"' WIDTH="+ Math.max(FDRfadeImg.width,(FDRboxWid - (FDRborWid*2)));
156            imStr += (NSpre403) ? " onError='window.FDRjustFlip = true'>" : ">";
157            with (elGif) ...{
158                document.write(imStr);
159                document.close();
160                moveAbove(elNews);
161            }
162    
163            imgHeight = elGif.document.height;
164            slideInc = (imgHeight/(FDRblendDur*1000/FDRgifInt));
165            startTop = -(imgHeight - FDRboxHgt);
166        }
167
168        elFader.visibility =  "show";
169    }
170    else ...{
171        if (!window.elFader) return;
172        elFader.innerHTML ="";
173        if(IE4mac) ...{
174            document.body.insertAdjacentHTML("BeforeBegin","<STYLE></STYLE>");
175        }
176        else ...{
177            if (!document.styleSheets.length) document.createStyleSheet();
178        }
179        with (document.styleSheets(document.styleSheets.length-1)) ...{
180            addRule("A.newslink","text-decoration:"+FDRlnkDec+";color:"+ FDRlnkCol);
181            addRule("A.newslink:hover","color:"+ FDRhovCol);
182        }
183
184        with (elFader.style) ...{
185            errorOffset = (IE4mac) ? (FDRboxPad + FDRborWid) : 0;
186            width = FDRboxWid - (errorOffset * 2);
187            height = FDRboxHgt - (errorOffset * 2);
188            if(IE4mac && !IE45mac)...{
189                pixelLeft = elFader.offsetLeft + errorOffset;
190                pixelTop = elFader.offsetTop + errorOffset;
191            }
192
193            backgroundColor = FDRbackCol;
194            overflow = "hidden";
195            color = FDRfntCol;
196            fontWeight = FDRfntWgh;
197            fontSize = FDRfntSiz;
198            fontStyle = FDRfntSty;
199            fontFamily = FDRfntFam;
200            lineHeight = FDRlinHgt;
201            textAlign = FDRtxtAln;
202            cursor = "default";
203            visibility = "visible";
204            borderWidth = FDRborWid;
205            borderStyle = FDRborSty;
206            borderColor = FDRborCol;
207            padding  = FDRboxPad;
208
209            if(!FDRjustFlip) filter = "blendTrans(duration=" + FDRblendDur + ")";
210        }
211        elFader.onselectstart = function()...{return false};
212
213        IEhasFilters = (elFader.filters.blendTrans) ? true : false;
214
215    }
216
217    if (!NSpre401) ...{
218        elFader.onmouseover = function ()...{
219            FDRisOver = true;
220        }
221        elFader.onmouseout = function()...{
222            FDRisOver = false;
223            status = "";
224        }
225    }
226    
227    FDRstart(0);
228}
229
230function FDRstart(ind)...{
231    newsCount = ind;
232    if (FDRfinite) loopCount = 0;
233    FDRdo();
234    blendTimer = setInterval("FDRdo()",FDRblendInt*1000)
235}
236
237function FDRdo() ...{
238    if(!blendTimer && loopCount>0) return;
239
240    if (FDRfinite && loopCount==FDRmaxLoops) ...{
241        FDRend();
242        return;
243    }
244    FDRfade();
245
246    if (newsCount == arNews.length) ...{
247        newsCount = 0;
248        if (FDRfinite) loopCount++;
249    }
250}
251
252function FDRmakeStr()...{
253    tempStr = "";
254    for (i=0;i<FDRhdlineCount;i++)...{
255        if(newsCount>=arNews.length)break;
256        dispStr = arNews[newsCount];
257        linkStr = arNews[newsCount+1];
258        isLink = linkStr.length;
259        if (isLink) ...{
260            tempStr += "<P><A CLASS=newslink "
261                    + "HREF='" + prefix + linkStr + "'>"
262                    + dispStr + "</A></P>"
263        }
264        else ...{
265            tempStr += ((NS4) ? "<P CLASS=nolink>" : "<P>") +dispStr+"</P>";
266
267        }
268        if(IE40mac) tempStr +="<BR>";
269        newsCount += 2;
270    }
271    return tempStr;
272}
273
274function FDRfade()...{
275    newsStr = FDRmakeStr();
276
277    if (NS4) ...{
278        if (!FDRjustFlip) ...{
279            elGif.top = startTop;
280            elGif.visibility = "inherit";
281        }
282
283        elNews.visibility = "hide";
284        with (elNews.document) ...{
285            write(newsStr);
286            close();
287        }
288        elNews.visibility = "inherit";
289    }
290    else ...{
291        if(IEhasFilters)elFader.filters.blendTrans.Apply();
292        elFader.innerHTML = newsStr;
293        if(IEhasFilters)elFader.filters.blendTrans.Play();
294    }
295
296    if(FDRhdlineCount==1) window.status = (FDRisOver && isLink) ? (prefix + linkStr) : "";
297
298    if (NS4 && !FDRjustFlip) FDRslide();
299}
300
301function FDRslide()...{
302    elGif.top += slideInc;
303    if (elGif.top >= 0) ...{elGif.visibility = "hide";return}
304    setTimeout("FDRslide()",FDRgifInt);
305}
306
307function FDRdblClickNS()...{
308    elFader.releaseEvents(Event.DBLCLICK);
309    FDRstart(startIndex);
310    return false;
311}
312
313function FDRend()...{
314    clearInterval(blendTimer);
315
316    blendTimer = null;
317
318    if (FDRendWithFirst) ...{
319        newsCount = 0;
320        FDRfade();
321    }
322    if (FDRreplayOnClick) ...{
323
324        startIndex = FDRendWithFirst ? (FDRhdlineCount * 2) : 0;
325        if (IE4) ...{
326            elFader.title = "Double click to replay";
327            elFader.ondblclick = function()...{
328                this.ondblclick = null;
329                this.title = "";
330                FDRstart(startIndex);
331            }
332        }
333        else ...{
334            elFader.captureEvents(Event.DBLCLICK);
335
336            elFader.ondblclick = FDRdblClickNS;
337
338        }
339    }
340}
341
342
343