一.浅入浅出左到中播放
<table align=center cellpadding=0 cellspacing=0 border=0> <tr> <td align="center" valign="middle"> <SCRIPT LANGUAGE="javascript">
var trans_width='150px' var trans_height='200px' var pause=3000 var degree=10 var slideshowcontent=new Array() slideshowcontent[0]=["img/a1.gif"] slideshowcontent[1]=["img/a2.gif"] slideshowcontent[2]=["img/a3.gif"] slideshowcontent[3]=["img/a4.gif"] var bgcolor='white' var imageholder=new Array() for (i=0;i<slideshowcontent.length;i++){ imageholder[i]=new Image() imageholder[i].src="/slideshowcontent[i][0]" } var ie4=document.all var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1 if (ie4||dom) document.write('<div style="position:relative;width:'+trans_width+';height:'+trans_height+';overflow:hidden"><div id="canvas0" style="position:absolute;background-color:'+bgcolor+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div><div id="canvas1" style="position:absolute;background-color:'+bgcolor+';width:'+trans_width+';height:'+trans_height+';left:-'+trans_width+';filter:alpha(opacity=20);-moz-opacity:0.2;"></div></div>') else if (document.layers){ document.write('<ilayer id=tickernsmain visibility=hide width='+trans_width+' height='+trans_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+trans_width+' height='+trans_height+' left=0 top=0>'+'<img src="'+slideshowcontent[0][0]+'"></layer></ilayer>') } var curpos=trans_width*(-1) var curcanvas="canvas0" var curindex=0 var nextindex=1 function getslidehtml(theslide){ var slidehtml="" slidehtml+='<img src="'+theslide[0]+'" border="0">' return slidehtml } function moveslide(){ if (curpos<0){ curpos=Math.min(curpos+degree,0) tempobj.style.left=curpos+"px" } else{ clearInterval(dropslide) if (crossobj.filters) crossobj.filters.alpha.opacity=100 else if (crossobj.style.MozOpacity) crossobj.style.MozOpacity=1 nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1" tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas) tempobj.innerHTML=getslidehtml(slideshowcontent[curindex]) nextindex=(nextindex<slideshowcontent.length-1)? nextindex+1 : 0 setTimeout("rotateslide()",pause) } //more javascript from http://www.webjx.com/ } function rotateslide(){ if (ie4||dom){ resetit(curcanvas) crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas) crossobj.style.zIndex++ if (crossobj.filters) document.all.canvas0.filters.alpha.opacity=document.all.canvas1.filters.alpha.opacity=20 else if (crossobj.style.MozOpacity) document.getElementById("canvas0").style.MozOpacity=document.getElementById("canvas1").style.MozOpacity=0.2 var temp='setInterval("moveslide()",50)' dropslide=eval(temp) curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0" } else if (document.layers){ crossobj.document.write(getslidehtml(slideshowcontent[curindex])) crossobj.document.close() } curindex=(curindex<slideshowcontent.length-1)? curindex+1 : 0 } function jumptoslide(which){ curindex=which rotateslide() } function resetit(what){ curpos=parseInt(trans_width)*(-1) var crossobj=ie4? eval("document.all."+what) : document.getElementById(what) crossobj.style.left=curpos+"px" } function startit(){ crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub if (ie4||dom){ crossobj.innerHTML=getslidehtml(slideshowcontent[curindex]) rotateslide() } else{ document.tickernsmain.visibility='show' curindex++ setInterval("rotateslide()",pause) } } if (window.addEventListener) window.addEventListener("load", startit, false) else if (window.attachEvent) window.attachEvent("onload", startit) else if (ie4||dom||document.layers) window.onload=startit </SCRIPT> </td> </tr> </table> |