function PNGHandler()
{
    var self=this;
    this.na=navigator.appName.toLowerCase();
    this.nv=navigator.appVersion.toLowerCase();
    this.isIE=this.na.indexOf('internet explorer')+1?1:0;
    this.isWin=this.nv.indexOf('windows')+1?1:0;
    this.ver=this.isIE?parseFloat(this.nv.split('msie ')[1]):parseFloat(this.nv);
    this.isMac=this.nv.indexOf('mac')+1?1:0;
    this.isOpera=(navigator.userAgent.toLowerCase().indexOf('opera ')+1||navigator.userAgent.toLowerCase().indexOf('opera/')+1);
    if(this.isOpera)this.isIE=false;
    this.transform=null;
    this.getElementsByClassName=function(className,oParent)
    {
        doc=(oParent||document);
        matches=[];
        nodes=doc.all||doc.getElementsByTagName('*');
        for(i=0;i<nodes.length;i++)
        {
            if(nodes[i].className==className||nodes[i].className.indexOf(className)+1||nodes[i].className.indexOf(className+' ')+1||nodes[i].className.indexOf(' '+className)+1){matches[matches.length]=nodes[i]}
        };
        return matches
     };
     this.filterMethod=function(oOld)
     {
        var o=document.createElement('div');
        var filterID='DXImageTransform.Microsoft.AlphaImageLoader';
        if(oOld.nodeName=='DIV')
        {
            var b=oOld.currentStyle.backgroundImage.toString();
            oOld.style.backgroundImage='none';
            var i1=b.indexOf('url("')+5;
            var newSrc=b.substr(i1,b.length-i1-2).replace('.gif','.png');
            o=oOld;
            o.style.writingMode='lr-tb';
            o.style.filter="progid:"+filterID+"(src='"+newSrc+"',sizingMethod='crop')"
         }
         else if(oOld.nodeName=='IMG')
         {
            var newSrc=oOld.getAttribute('src').replace('.gif','.png');
            oOld.src='http://img1.cn.msn.com/images/none.gif';
            oOld.style.filter="progid:"+filterID+"(src='"+newSrc+"',sizingMethod='crop')";
            oOld.style.writingMode='lr-tb'
         }
     };
     this.pngMethod=function(o)
     {
        bgImage=this.getBackgroundImage(o);
        if(bgImage)
        {
            o.style.backgroundImage='url('+bgImage.replace('.gif','.png')+')'
        }
        else if(o.nodeName=='IMG')
        {   
            o.src=o.src.replace('.gif','.png')
        }else if(!this.isMac){}
     };
     this.getBackgroundImage=function(o)
     {
        var b,i1;
        var bgUrl=null;
        if(o.nodeName=='DIV'&&!(this.isIE&&this.isMac))
        {
            if(document.defaultView)
            {
                if(document.defaultView.getComputedStyle)
                {
                    b=document.defaultView.getComputedStyle(o,'').getPropertyValue('background-image');
                    i1=b.indexOf('url(')+4;bgUrl=b.substr(i1,b.length-i1-1)
                }
                else{}
             }
             else{}
          };
          return bgUrl
      };
      this.supportTest=function()
      {
        if(this.isIE&&this.isWin&&this.ver>=5.5)
        {   
            self.transform=self.filterMethod
        }
        else if(!this.isIE&&this.ver<5)
        {
            self.transform=null
        }
        else if(!this.isIE&&this.ver>=5||(this.isIE&&this.isMac&&this.ver>=5))
        {
            self.transform=self.pngMethod
        }
        else
        {
            self.transform=null;
            return false
        };
        return true
      };
      this.init=function()
      {
        if(this.supportTest())
        {
            this.elements=this.getElementsByClassName('png');
            for(var i=0;i<this.elements.length;i++)
            {
                this.transform(this.elements[i])
            }
         }
      }
};
var pngHandler=new PNGHandler();

/* slide */
var currslid = 0;
var slidint;
function setfoc(id){
document.getElementById("focpic").src = picarry[id];
document.getElementById("foclnk").href = lnkarry[id];
document.getElementById("fttltxt").innerHTML = "<a href=\""+lnkarry[id]+"\" target=_blank>"+ttlarry[id]+"</a>";
currslid = id;
for(i=0;i<4;i++)
{document.getElementById("tmb"+i).className = "thubpic";
};
document.getElementById("tmb"+id).className ="thubpiccur";
focpic.style.visibility = "hidden";
focpic.filters[0].Apply();
if (focpic.style.visibility == "visible") {
focpic.style.visibility = "hidden";
focpic.filters.revealTrans.transition=12;
}
else {
focpic.style.visibility = "visible";focpic.filters[0].transition=12;
}
focpic.filters[0].Play();
}
function playnext(){
	if(currslid==3){
		currslid = 0;
	}else{
		currslid++;
	};
	setfoc(currslid);
};
function playit(){
	//slidint = setInterval(playnext,3500);
};
function stopit(){
	clearInterval(slidint);
};