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_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_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];}
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function ViewImage(url,winwidth,winheight)
{
   NewWin = window.open(url, 'Img', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=' + (winwidth+43) + ',height=' + (winheight + 108));
	 NewWin.focus();
}

function SetVisibility(oObj,sValue)
{
	if (oObj)
	  oObj.style.display = sValue;
}

function ShowElement(sEleName)
{
  oObj = MM_findObj(sEleName);
  SetVisibility(oObj,'');
}

function HideElement(sEleName)
{
  oObj = MM_findObj(sEleName);
  SetVisibility(oObj,'none');
}

function HideElementSlow(sCtrl,sCtrl2)
{
  oObj = MM_findObj(sCtrl); // Object to scroll
  oObj2 = MM_findObj(sCtrl2); // Object to hide instantly.
  nOrgHeight = oObj2.clientHeight;
  oObj.style.height = nOrgHeight + 'px';
  oObj.style.overflow = 'hidden';
  nDelta = Math.round(nOrgHeight / 10);
  OnHideElementSlowTick(sCtrl,nDelta,nOrgHeight);
  SetVisibility(oObj2,'none');
}

function OnHideElementSlowTick(sCtrl,nDelta,nOrgHeight)
{
  oObj = MM_findObj(sCtrl);
  nCurHeight = oObj.style.height;
  
  if (typeof(nCurHeight) == 'string')
  {
    if (nCurHeight.indexOf('px',0) != -1)
    {
      // Strip 'px' out of string for our use.
      re = /px/i;
      nCurHeight = nCurHeight.replace(re, ""); 
    }

    if (nCurHeight.indexOf('pt',0) != -1)
    {
      // Strip 'px' out of string for our use.
      re = /pt/i;
      nCurHeight = nCurHeight.replace(re, ""); 
    }
  }

  if (nCurHeight == 0)
  {
    HideElement(sCtrl);
    oObj.style.height = ''; // reset height;
    oObj.style.overflow = '';
    return;
  }
  
  nNewHeight = nCurHeight - nDelta;
  if (nNewHeight < 0)
   nNewHeight = 0;
  oObj.style.height = nNewHeight + 'px';
  
	// Create timer to fire again.
	hTmr = window.setTimeout('OnHideElementSlowTick(\'' + sCtrl + '\',' + nDelta + ',\'' + nOrgHeight + '\')',10);
}

function validate_email(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   var address = email;
   if(reg.test(address) == false) {
      return false;
   }
   return true;
}