var ns = (navigator.appName == 'Netscape');
var ns4 = (ns && parseInt(navigator.appVersion) >= 4 && parseInt(navigator.appVersion) < 5);
var ns5 = (ns && parseInt(navigator.appVersion) >= 5 && parseInt(navigator.appVersion) < 6);
var ie = (navigator.appName == 'Microsoft Internet Explorer');
var ie4 = (ie && parseInt(navigator.appVersion) >= 4);
var docom = (document.getElementById);
var SHOW, HIDE;
var openmenu=null;
var ifilter=null;
var tf=false;
popm=true;

function otpop(i){
pom=false;
if(i==null)
   return;
if(document.images['i'+i]==null){return;}
if(i!=thispage)
   document.images['i'+i].src=bd+i+'.gif';
else
   document.images['i'+i].src=bd+'sel_'+i+'.gif';}

function ovpop(i,p){pom=true;
if(i!=null )document.images['i'+i].src=bd+'over_'+i+'.gif';
}
if (docom) {
  SHOW = "visible";
  HIDE = "hidden";
} else if (ns4) {
  SHOW = "show";
  HIDE = "hide";}

if(pani>0 && ie==true)
   {
   if(pani==1)
     ifilter="progid:DXImageTransform.Microsoft.MotionBlur(strength=13, direction=310)";
   if(pani==2)
     ifilter="progid:DXImageTransform.Microsoft.Fade(duration=0.4,overlap=1.0)";
   if(pani==3)
     ifilter="progid:DXImageTransform.Microsoft.Pixelate(MaxSquare=50,  Duration=.4, Enabled=false)";
   if(pani==4)
     ifilter="progid:DXImageTransform.Microsoft.RandomDissolve(Duration=.4)";
   if(pani==5)
     ifilter="progid:DXImageTransform.Microsoft.Blinds(bands=1,  Duration=.4,direction='RIGHT')";
   if(pani==6)
     ifilter="progid:DXImageTransform.Microsoft.Blinds(bands=1,  Duration=.4,direction='DOWN')";
   if(pani==7)
     ifilter="progid:DXImageTransform.Microsoft.Wipe(GradientSize=1.0, wipeStyle=0, motion='forward')";
   if(pani==8)
     ifilter="progid:DXImageTransform.Microsoft.Wipe(GradientSize=1.0, wipeStyle=1, motion='forward')";
   if(pani==9)
     ifilter="progid:DXImageTransform.Microsoft.zigzag(GridSizeX=10, GridSizeY=10, Duration=.5)";
   if(pani==10)
     ifilter="progid:DXImageTransform.Microsoft.Checkerboard(squaresX=12, squaresY=8, Duration=.4,direction='right', duration=1)";
   }

function gt(layer){return layer.offsetTop;}
function gl(layer){return layer.offsetLeft;}
function menuSwap(imNum, aMem, vizProp,evt) {
   elem=document.getElementById('dm'+imNum);
   if(vizProp==SHOW)
   {
      if(elem.style.visibility=="visible")
         return;
      if(openmenu!=null)
         document.getElementById(openmenu).style.visibility = HIDE;
      layer=document.getElementById("cu"+imNum);
      cx=0;
      cy=0;
      if(ie && (cx==0 || cy==0))
      {
         cx=evt.clientX-evt.offsetX+document.body.scrollLeft;
         cy=evt.clientY-evt.offsetY+document.body.scrollTop;
      }
      else
      {
         if(smlayout=="h")
            {
            cx=evt.clientX+document.body.scrollLeft;
            cy=layer.offsetTop+layer.offsetParent.offsetTop;
            }
         else
            {
            cx=gl(layer);
            cy=gt(layer);
            }
      }

      menlay=document.getElementById("mu1");
      cy=layer.offsetTop+layer.offsetParent.offsetTop ;
      if(smlayout=="h")
         cy=cy+menlay.offsetParent.clientHeight;
      else
         cx=cx+menlay.offsetParent.clientWidth;

   vizElement('dm'+imNum, vizProp,cx,cy);
   }
   else
   {
      vizElement('dm'+imNum, vizProp,cx,cy);
   }
}
function mclose()
{
   if(openmenu!=null)
     {
      vizElement(openmenu,HIDE,0,0);
      openmenu=null;
     }
}

function vizElement(eleId, vizProp, cx,cy)
{
   if(tf==false)
     {
      setTimeout("toff();", 1000);
      tf=true;
     }
  openmenu=eleId;
  var ele=document.getElementById(eleId);
  ele.style.display="block";
  if(docom)
     {
     if(ifilter!=null)
        {
        ele.style.filter=ifilter;
        try
           {
           ele.filters[0].Apply();
           }
        catch(e)
           {
           ifilter=null;
           }
        ele.style.visibility = vizProp;
        }
     else
        ele.style.visibility = vizProp;

     if(vizProp==SHOW)
       {
        ele.style.left = cx;
        ele.style.top = cy;
        }
     else
        {
        ele.style.visibility = vizProp;
        }
     if(ifilter!=null)
        ele.filters[0].Play();
     }
}
function toff(){
   if(pom==false){
     tf=false;
     mclose();}
   else
     setTimeout("toff();", 1000);
}