function showBlock(strID) {
    var popUpBlock;
    popUpBlock = document.getElementById(strID);
    popUpBlock.style.display="block";
}
function hideBlock(strID) {
    var popUpBlock;
    popUpBlock = document.getElementById(strID);
    popUpBlock.style.display="none";
}

function gateway(strID) {
   var popUp;
   popUp = document.getElementById(strID);
   if (firstEntry) {
     if (firstEntry == 1) {
       popUp.style.visibility="visible";
       var t = setTimeout("fade('gateway')", 4000);
       var f = setTimeout("hideGateway('gateway')", 6000);
     }
   } else {
       popUp.style.visibility="hidden";
   }
}function hideGateway(strID) {
   var popUp;
   popUp = document.getElementById(strID);
   popUp.style.visibility="hidden";
}


var TimeToFade = 1000.0;

function fade(eid) {
  var element = document.getElementById(eid);
  if (element == null)
    return;
   
  if(element.FadeState == null) {
    if(element.style.opacity == null || element.style.opacity == '' || element.style.opacity == '1') {
      element.FadeState = 2;
    } else {
      element.FadeState = -2;
    }
  }

  if(element.FadeState == 1 || element.FadeState == -1) {
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  } else {
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
  }
}

function animateFade(lastTick, eid) {
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
  
  var element = document.getElementById(eid);

  if(element.FadeTimeLeft <= elapsedTicks) {
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = ' + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;
    return;
  }
 
  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1)
    newOpVal = 1 - newOpVal;

  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
  
  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}


function showAudio(status,El) {
  if (document.getElementById) {
	 el = document.getElementById(El);
	 var display = el.style.display ? '' : 'none';
	 el.style.display = display;
  } else if (document.all) {
    if (status == 0) {
       document.all(El).style.display = "none";
     } else {
       document.all(El).style.display = "";
     }
  } else if (document.layers) {
     if (status == 0) {
       document.layers[El].style.display = "none";
     } else {
       document.layers[El].style.display = "";
     }
  } else {
     return null;
  }
}

function open_window(url,width,height,name,scroll) {
     CloseMyWin();
     var winl = (screen.width - width) / 2;
     var wint = (screen.height - height) / 2;
     mywin = window.open(url,name,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scroll+',resizable=yes,width='+width+',height='+height+',left='+winl+',top='+wint+',dependent=yes,alwaysRaised=yes');
     if (parseInt(navigator.appVersion) >= 4) { mywin.window.focus(); }
}

var mywin = "";

function CloseMyWin() {
  if (mywin) {
     if (!mywin.closed) {
        mywin.close();
     }
  }
}

function rightclick() {
   if (event.button==2) {
     alert('Please use your left mouse button to open this link.');
     return (false);
   }
}



function outputE(ex,d,usr,sub) {
  var t = '.';
  var n = '?';
  var e = usr + '@' + d + t + ex;
  var s1 = n + 'sub';
  var s2 = 'ject=' + sub;
  var l1 = '<a href="ma';
  var l2 = 'ilto:' + e;
  var l3 = s1 + s2 + '">' + e;
  var l4 = '</a>';
  document.writeln(l1+l2+l3+l4);
}

function imgEnlarge(img,width,height) {
     var winl = (screen.width - width) / 2;
     var wint = (screen.height - height) / 2;
     newWindow = window.open('','Enlargement','width='+width+',height='+height+',left='+winl+',top='+wint+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
     var tmp = newWindow.document;
     tmp.write('<html><head><title>Image Enlargement</title>');
     tmp.write('</head><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0 onLoad="window.focus();"><center><img width='+width+' height='+height+' border=0 src='+img+'></center>');
     tmp.write('</body></html>');
     tmp.close();
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}