var widths=150;    /*显示高度*/                  
var heights=100;   /*显示宽度*/                   
var counts=5;      /*照片数量*/   



url1=new Image ();url1.src='http://exshow.5117.com/index.php?ExID=237';
url2=new Image ();url2.src='http://exshow.5117.com/index.php?ExID=199';
url3=new Image ();url3.src='http://exshow.5117.com/index.php?ExID=221';
url4=new Image ();url4.src='http://exshow.5117.com/index.php?ExID=192';
url5=new Image ();url5.src='http://exshow.5117.com/index.php?ExID=166';
url6=new Image ();url6.src='http://exshow.5117.com/index.php?ExID=186';
url7=new Image ();url6.src='http://exshow.5117.com/index.php?ExID=18';
url8=new Image ();url6.src='http://exshow.5117.com/index.php?ExID=19';
url9=new Image ();url6.src='http://exshow.5117.com/index.php?ExID=276';




img1=new Image ();img1.src='./data/exhibition/8161.jpg';
img2=new Image ();img2.src='./data/exhibition/7412.jpg';
img3=new Image ();img3.src='./data/exhibition/7300.jpg'; 
img4=new Image ();img4.src='./data/exhibition/5932.jpg'; 
img5=new Image ();img5.src='./data/exhibition/6485.jpg';
img6=new Image ();img6.src='./data/exhibition/5626.jpg';  
img7=new Image ();img6.src='./data/exhibition/3644.jpg';  
img8=new Image ();img6.src='./data/exhibition/2856.jpg';  
img9=new Image ();img6.src='./data/exhibition/cef68.jpg';  





imgAlt1='第7届高交会';
imgAlt2='第16届多国仪器仪表展览会';
imgAlt3='2005哈尔滨光电博览会';
imgAlt4='2005上海国际分析仪器展';
imgAlt5='2005上海粉体展';
imgAlt6='65届电子展';
imgAlt7='64届电子展';
imgAlt8='2004多国仪器展';
imgAlt9='2006第68届全国电子展';




var nn = 1;
var key = 0;
function change_img() {
if (key == 0) {
   key = 1;
} else {
   if (document.all) {
    document.getElementById("pic").filters[0].Apply();
    //图片切换改变中的时间，越小切换越快
    document.getElementById("pic").filters[0].Play(duration = 2);
   }
}
eval("document.getElementById(\"pic\").src=img" + nn + ".src");
eval("document.getElementById(\"url\").href=url" + nn + ".src");
for (var i = 1; i <= counts; i++) {
   document.getElementById("xxjdjj" + i).className = "axx";
}
document.getElementById("xxjdjj" + nn).className = "bxx";
nn++;
if (nn > counts) {
   nn = 1;
}
//图片切换的时间间隔
tt = setTimeout("change_img()", 4000);
}
function changeimg(n) {
nn = n;
window.clearInterval(tt);
change_img();
}

document.write("<style>");
document.write(".axx{padding:0px 7px 3px;*padding:1px 7px;border-left:#cccccc 1px solid;}");
document.write("a.axx:link,a.axx:visited{text-decoration:none;color:#fff;line-height:12px;font:9px sans-serif;background-color:#666;}");
document.write("a.axx:active,a.axx:hover{text-decoration:none;color:#fff;line-height:12px;font:9px sans-serif;background-color:#999;}");
document.write(".bxx{padding:0px 7px 3px;*padding:1px 7px;border-left:#cccccc 1px solid;}");
document.write("a.bxx:link,a.bxx:visited{text-decoration:none;color:#fff;line-height:12px;font:9px sans-serif;background-color:#D34600;}");
document.write("a.bxx:active,a.bxx:hover{text-decoration:none;color:#fff;line-height:12px;font:9px sans-serif;background-color:#D34600;}");
document.write("</style>");
document.write("<div style=\"width:" + widths + "px;height:" + heights + "px;overflow:hidden;text-overflow:clip;\">");
document.write("<div><a id=\"url\" target=_black><img id=\"pic\" style=\"border:0px;filter:progid:dximagetransform.microsoft.wipe(gradientsize=1.0,wipestyle=4, motion=forward)\" width=" + widths + " height=" + heights + " /></a></div>");
document.write("<div style=\"filter:alpha(style=1,opacity=10,finishOpacity=80);-moz-opacity:0.8; opacity:0.8;background: #888888;width:100%-2px;text-align:right;top:-12px;position:relative;margin:1px;height:12px;padding:0px;margin:0px;border:0px;\">");

for (var i = 1; i < counts + 1; i++) {
document.write("<a href=\"javascript:changeimg(" + i + ");\" id=\"xxjdjj" + i + "\" class=\"axx\" target=\"_self\">" + i + "</a>");



}

document.write("</div>");


document.write("</div>");

change_img();













/*


var imgWidth=150;              //图片宽
var imgHeight=100;             //图片高
var textFromHeight=0;          //焦点字框高度 (单位为px)
var textStyle="f12";           //焦点字class style (不是连接class)
var textLinkStyle="p1";        //焦点字连接class style
var buttonLineOn="#f60";       //button下划线on的颜色
var buttonLineOff="#000";      //button下划线off的颜色
var TimeOut=5000;              //每张图切换时间 (单位毫秒);
var imgUrl=new Array(); 
var imgLink=new Array();
var imgtext=new Array();
var imgAlt=new Array();
var adNum=0;
//焦点字框高度样式表 开始
document.write('<style type="text/css">');
document.write('#focuseFrom{width:'+(imgWidth+2)+';margin: 0px; padding:0px;height:'+(imgHeight+textFromHeight)+'px; overflow:hidden;}');
document.write('#txtFrom{height:'+textFromHeight+'px;line-height:'+textFromHeight+'px;width:'+imgWidth+'px;overflow:hidden;}');
document.write('#imgTitle{width:'+imgWidth+';top:-'+(textFromHeight+16)+'px;height:18px}');
document.write('</style>');
document.write('<div id="focuseFrom">');
//焦点字框高度样式表 结束

				imgUrl[1]='./data/exhibition/8161.jpg';
				imgtext[1]='<A HREF="http://exshow.5117.com/index.php?ExID=237" TARGET="_blank" class="'+textLinkStyle+'">第7届高交会</A>';
				imgLink[1]='http://exshow.5117.com/index.php?ExID=237';
				imgAlt[1]='第7届高交会';
				imgUrl[2]='./data/exhibition/7412.jpg';
				imgtext[2]='<A HREF="http://exshow.5117.com/index.php?ExID=199" TARGET="_blank" class="'+textLinkStyle+'">第16届多国仪器仪表展览会</A>';
				imgLink[2]='http://exshow.5117.com/index.php?ExID=199';
				imgAlt[2]='第16届多国仪器仪表展览会';
				imgUrl[3]='./data/exhibition/7300.jpg';
				imgtext[3]='<A HREF="http://exshow.5117.com/index.php?ExID=221" TARGET="_blank" class="'+textLinkStyle+'">2005哈尔滨光电博览会</A>';
				imgLink[3]='http://exshow.5117.com/index.php?ExID=221';
				imgAlt[3]='2005哈尔滨光电博览会';
				imgUrl[4]='./data/exhibition/5932.jpg';
				imgtext[4]='<A HREF="http://exshow.5117.com/index.php?ExID=192" TARGET="_blank" class="'+textLinkStyle+'">2005上海国际分析仪器展</A>';
				imgLink[4]='http://exshow.5117.com/index.php?ExID=192';
				imgAlt[4]='2005上海国际分析仪器展';
				imgUrl[5]='./data/exhibition/6485.jpg';
				imgtext[5]='<A HREF="http://exshow.5117.com/index.php?ExID=166" TARGET="_blank" class="'+textLinkStyle+'">2005上海粉体展</A>';
				imgLink[5]='http://exshow.5117.com/index.php?ExID=166';
				imgAlt[5]='2005上海粉体展';
				imgUrl[6]='./data/exhibition/5626.jpg';
				imgtext[6]='<A HREF="http://exshow.5117.com/index.php?ExID=186" TARGET="_blank" class="'+textLinkStyle+'">65届电子展</A>';
				imgLink[6]='http://exshow.5117.com/index.php?ExID=186';
				imgAlt[6]='65届电子展';
				imgUrl[7]='./data/exhibition/3644.jpg';
				imgtext[7]='<A HREF="http://exshow.5117.com/index.php?ExID=18" TARGET="_blank" class="'+textLinkStyle+'">64届电子展</A>';
				imgLink[7]='http://exshow.5117.com/index.php?ExID=18';
				imgAlt[7]='64届电子展';
				imgUrl[8]='./data/exhibition/2856.jpg';
				imgtext[8]='<A HREF="http://exshow.5117.com/index.php?ExID=19" TARGET="_blank" class="'+textLinkStyle+'">2004多国仪器展</A>';
				imgLink[8]='http://exshow.5117.com/index.php?ExID=19';
				imgAlt[8]='2004多国仪器展';
				imgUrl[9]='./data/exhibition/cef68.jpg';
				imgtext[9]='<A HREF="http://exshow.5117.com/index.php?ExID=276" TARGET="_blank" class="'+textLinkStyle+'">2006第68届全国电子展</A>';
				imgLink[9]='http://exshow.5117.com/index.php?ExID=276';
				imgAlt[9]='2006第68届全国电子展';

function changeimg(n)
{
	adNum=n;
	window.clearInterval(theTimer);
	adNum=adNum-1;
	nextAd();
}
function goUrl(){
window.open(imgLink[adNum],'_blank');
}
//NetScape开始
if (navigator.appName == "Netscape")
{
document.write('<style type="text/css">');
document.write('.buttonDiv{height:4px;width:21px;}');
document.write('</style>');
function nextAd(){
	if(adNum<(imgUrl.length-1))adNum++;
	else adNum=1;
	theTimer=setTimeout("nextAd()", TimeOut);
	document.images.imgInit.src=imgUrl[adNum];
	document.images.imgInit.alt=imgAlt[adNum];	
    document.getElementById('focustext').innerHTML=imgtext[adNum];
	document.getElementById('imgLink').href=imgLink[adNum];

}
	document.write('<a id="imgLink" href="'+imgLink[1]+'?PHPSESSID=119abdb65e83acc98e300199085c3cf6" target=_blank class="p1"><img src="'+imgUrl[1]+'" name="imgInit" width='+imgWidth+' height='+imgHeight+' border=1 alt="'+imgAlt[1]+'" class="imgClass"></a><div id="txtFrom"><span id="focustext" class="'+textStyle+'">'+imgtext[1]+'</span></div>')
	document.write('<div id="imgTitle">');
	document.write('<div id="imgTitle_down">');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'">'+i+'</a>');}
//数字按钮代码结束
	document.write('</div>');
	document.write('</div>');
	document.write('</div>');
	nextAd();
}
//NetScape结束
//IE开始
else
{
var count=0;
for (i=1;i<imgUrl.length;i++) {
	if( (imgUrl[i]!="") && (imgLink[i]!="")&&(imgtext[i]!="")&&(imgAlt[i]!="") ) {
		count++;
	} else {
		break;
	}
}
function playTran(){
	if (document.all)
		imgInit.filters.revealTrans.play();		
}
var key=0;
function nextAd(){
	if(adNum<count)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=6;
		imgInit.filters.revealTrans.apply();
                   playTran();
    }
	document.images.imgInit.src=imgUrl[adNum];
	document.images.imgInit.alt=imgAlt[adNum];	
	document.getElementById('link'+adNum).style.background=buttonLineOn;
	for (var i=1;i<=count;i++)
	{
	   if (i!=adNum){document.getElementById('link'+i).style.background=buttonLineOff;}
	}	
    focustext.innerHTML=imgtext[adNum];
	theTimer=setTimeout("nextAd()", TimeOut);
}
document.write('<a target=_self href="javascript:goUrl()"><img style="FILTER: revealTrans(duration=1,transition=5);" src="javascript:nextAd()" width='+imgWidth+' height='+imgHeight+' border=0 vspace="0" name=imgInit class="imgClass"></a>');
document.write('<div id="txtFrom"><span id="focustext" class="'+textStyle+'"></span></div>');
document.write('<div id="imgTitle">');
document.write(' <div id="imgTitle_down"> <a class="trans"></a>');
//数字按钮代码开始
for(var i=1;i<imgUrl.length;i++){document.write('<a id="link'+i+'"  href="javascript:changeimg('+i+')" class="button" style="cursor:hand" title="'+imgAlt[i]+'" onFocus="this.blur()">'+i+'</a>');}
//数字按钮代码结束
document.write('</div>');
document.write('</div>');
document.write('</div>');
}
//IE结束*/