忘れたくないJsシリーズ
フェードインアウト
var fadeimages=new Array(); //イメージのパスを設定 fadeimages[0]=["http://www.g-rare.co.jp/img/index_main_watch_category.jpg", "http://www.g-rare.co.jp/fs/galleryrare/c/watch", "_top"]; fadeimages[1]=["http://www.g-rare.co.jp/img/index_main_jewelry_category.jpg", "http://www.g-rare.co.jp/fs/galleryrare/c/jewelry", "_top"]; var fadebgcolor="white"; ////以降のスクリプトは編集不要///////////// var fadearray=new Array(); var fadeclear=new Array(); var dom=(document.getElementById); //modern dom browsers var iebrowser=document.all; function fadeshow(theimages, fadewidth, fadeheight, borderwidth, delay, pause, displayorder){ this.pausecheck=pause; this.mouseovercheck=0; this.delay=delay; this.degree=10; this.curimageindex=0; this.nextimageindex=1; fadearray[fadearray.length]=this; this.slideshowid=fadearray.length-1; this.canvasbase="canvas"+this.slideshowid; this.curcanvas=this.canvasbase+"_0"; if (typeof displayorder!="undefined") theimages.sort(function() {return 0.5 - Math.random();}); this.theimages=theimages; this.imageborder=parseInt(borderwidth); this.postimages=new Array(); for (p=0;p<theimages.length;p++){ this.postimages[p]=new Image(); this.postimages[p].src=theimages[p][0]; } var fadewidth=fadewidth+this.imageborder*2; var fadeheight=fadeheight+this.imageborder*2; if (iebrowser&&dom||dom) //if IE5+ or modern browsers (ie: Firefox) document.write('<div id="master'+this.slideshowid+'" style="position:relative;width:'+fadewidth+'px;height:'+fadeheight+'px;overflow:hidden;"><div id="'+this.canvasbase+'_0" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div><div id="'+this.canvasbase+'_1" style="position:absolute;width:'+fadewidth+'px;height:'+fadeheight+'px;top:0;left:0;filter:progid:DXImageTransform.Microsoft.alpha(opacity=10);opacity:0.1;-moz-opacity:0.1;-khtml-opacity:0.1;background-color:'+fadebgcolor+'"></div></div>'); else document.write('<div><img name="defaultslide'+this.slideshowid+'" src="'+this.postimages[0].src+'"></div>'); if (iebrowser&&dom||dom) //if IE5+ or modern browsers such as Firefox this.startit(); else{ this.curimageindex++; setInterval("fadearray["+this.slideshowid+"].rotateimage()", this.delay); } } function fadepic(obj){ if (obj.degree<100){ obj.degree+=10; if (obj.tempobj.filters&&obj.tempobj.filters[0]){ if (typeof obj.tempobj.filters[0].opacity=="number") //if IE6+ obj.tempobj.filters[0].opacity=obj.degree; else //else if IE5.5- obj.tempobj.style.filter="alpha(opacity="+obj.degree+")"; } else if (obj.tempobj.style.MozOpacity) obj.tempobj.style.MozOpacity=obj.degree/101; else if (obj.tempobj.style.KhtmlOpacity) obj.tempobj.style.KhtmlOpacity=obj.degree/100; else if (obj.tempobj.style.opacity&&!obj.tempobj.filters) obj.tempobj.style.opacity=obj.degree/101; } else{ clearInterval(fadeclear[obj.slideshowid]); obj.nextcanvas=(obj.curcanvas==obj.canvasbase+"_0")? obj.canvasbase+"_0" : obj.canvasbase+"_1"; obj.tempobj=iebrowser? iebrowser[obj.nextcanvas] : document.getElementById(obj.nextcanvas); obj.populateslide(obj.tempobj, obj.nextimageindex); obj.nextimageindex=(obj.nextimageindex<obj.postimages.length-1)? obj.nextimageindex+1 : 0; setTimeout("fadearray["+obj.slideshowid+"].rotateimage()", obj.delay); } } fadeshow.prototype.populateslide=function(picobj, picindex){ var slideHTML=""; if (this.theimages[picindex][1]!="") //if associated link exists for image slideHTML='<a href="'+this.theimages[picindex][1]+'" target="'+this.theimages[picindex][2]+'">'; slideHTML+='<img src="'+this.postimages[picindex].src+'" border="'+this.imageborder+'px">'; if (this.theimages[picindex][1]!="") //if associated link exists for image slideHTML+='</a>'; picobj.innerHTML=slideHTML; } fadeshow.prototype.rotateimage=function(){ if (this.pausecheck==1) //if pause onMouseover enabled, cache object var cacheobj=this; if (this.mouseovercheck==1) setTimeout(function(){cacheobj.rotateimage()}, 100); else if (iebrowser&&dom||dom){ this.resetit(); var crossobj=this.tempobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas); crossobj.style.zIndex++; fadeclear[this.slideshowid]=setInterval("fadepic(fadearray["+this.slideshowid+"])",50); this.curcanvas=(this.curcanvas==this.canvasbase+"_0")? this.canvasbase+"_1" : this.canvasbase+"_0"; } else{ var ns4imgobj=document.images['defaultslide'+this.slideshowid]; ns4imgobj.src=this.postimages[this.curimageindex].src; } this.curimageindex=(this.curimageindex<this.postimages.length-1)? this.curimageindex+1 : 0; } fadeshow.prototype.resetit=function(){ this.degree=10; var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas); if (crossobj.filters&&crossobj.filters[0]){ if (typeof crossobj.filters[0].opacity=="number") //if IE6+ crossobj.filters(0).opacity=this.degree; else //else if IE5.5- crossobj.style.filter="alpha(opacity="+this.degree+")"; } else if (crossobj.style.MozOpacity) crossobj.style.MozOpacity=this.degree/101; else if (crossobj.style.KhtmlOpacity) crossobj.style.KhtmlOpacity=this.degree/100; else if (crossobj.style.opacity&&!crossobj.filters) crossobj.style.opacity=this.degree/101; } fadeshow.prototype.startit=function(){ var crossobj=iebrowser? iebrowser[this.curcanvas] : document.getElementById(this.curcanvas); this.populateslide(crossobj, this.curimageindex); if (this.pausecheck==1){ //IF SLIDESHOW SHOULD PAUSE ONMOUSEOVER var cacheobj=this; var crossobjcontainer=iebrowser? iebrowser["master"+this.slideshowid] : document.getElementById("master"+this.slideshowid); crossobjcontainer.onmouseover=function(){cacheobj.mouseovercheck=1}; crossobjcontainer.onmouseout=function(){cacheobj.mouseovercheck=0}; } this.rotateimage(); }
html
<script type="text/javascript"> new fadeshow(fadeimages, 550, 220, 0, 5000, 1, "R") </script>