function initIEfix() {
if(navigator.appName == "Microsoft Internet Explorer") {
  pngAlpha();
  /*
   other fix functions
  */
  }
}
function pngAlpha() {
  pngImg = document.getElementsByTagName("img");
  var i=0;
  for(i; i < pngImg.length; i++) {
    // apply only on png file extension, bug on generated png file
    if(pngImg[i].src.substr(pngImg[i].src.length-3,pngImg[i].src.length) == "png") {
    	pngImg[i].style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+pngImg[i].src+"')";
    	pngImg[i].src = "Images/pix.gif";
    }
  }
}

  function show(obj,target) {
  while(obj.nodeName.toLowerCase() != target) {
    obj = obj.nextSibling;
  }
  if(obj.style.display == 'inline') {
    obj.style.display = 'none';
  } else {
      obj.style.display = 'inline';   
  }
}
function hide() {
   nodes = document.getElementsByTagName('table');
   for(i = 0; i < nodes.length; i++) {
     if(nodes[i].className == 'details') {
       nodes[i].style.display = 'none';  
    }
  }
   nodes = document.getElementsByTagName('img');
   for(i = 0; i < nodes.length; i++) {
     if(nodes[i].className == 'details') {
       nodes[i].style.display = 'none';  
    }
  }
}

function emailCheck (emailStr) {
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
    alert("The username doesn't seem to be valid.")
    return false
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>3) {
   // the address must end in a two letter or three letter word.
   alert("The address must end in a three-letter domain, or two letter country.")
   return false
}

// Make sure there's a host name preceding the domain.
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}
return true;
}