var browser=navigator.appName;

function validEmail(emailField,bg) {
  email = emailField.value;
  field = emailField.name;
  if (email == "") {     //must contain something
	if(bg){changeClass(field,"missing");}
    alert("Email address is empty")
    emailField.focus();
	return false
  }
  invalid = " /;,:"
  for (i=0; i<invalid.length; i++){   //cannot contain these characters
    bad = invalid.charAt(i)
    if (email.indexOf(bad,0) > -1){
	  if(bg){changeClass(field,"missing");}
      alert("Email address contains invalid characters")
      emailField.focus();
      return false
    }
  }
  atPos = email.indexOf("@",0)  //must have a @ character
  if (atPos == -1){
	if(bg){changeClass(field,"missing");}
    alert("Email address is missing the @ character")
	changeClass(field,"missing");
    emailField.focus();
    return false
  }
  if (atPos == 0){   //cannot start with @ character
	if(bg){changeClass(field,"missing");}
    alert("Email address cannot start with the @ character")
    emailField.focus();
    return false
  }
  if (email.indexOf("@",atPos+1) != -1){  //can only have ONE @ character
	if(bg){changeClass(field,"missing");}
    alert("Email address contains more than one @ character")
    emailField.focus();
    return false
  }
  dotPos = email.indexOf(".",atPos+1)  //must have a . character after the @
  if (dotPos == -1){
	if(bg){changeClass(field,"missing");}
    alert("Email address must have a . character following the @ character")
    emailField.focus();
    return false
  }
  if (dotPos == 0){   //cannot start with . character
	if(bg){changeClass(field,"missing");}
    alert("Email address cannot start with the . character")
    emailField.focus();
    return false
  }
  if ((dotPos-atPos) == 1){
	if(bg){changeClass(field,"missing");}
    alert("Email address has no characters between the @ and . characters")
    emailField.focus();
    return false    
  }
  if (dotPos+3 > email.length){   //must have at least 2 characters after .
	if(bg){changeClass(field,"missing");}
    alert("Email address must have at least two characters following the dot")
    emailField.focus();
    return false
  }
  if(bg){changeClass(field,"mandatory");}
}


function changeClass(id,newClass){
	if (browser=="Microsoft Internet Explorer") eval("document.getElementById('" + id + "').className='" + newClass + "'");
}


function openWin(url,wn,w,h,l,t,s,r,tb){
	//alert('url='+url+',wn='+wn+',width='+w+',height='+h+',left='+l+',top='+t+',scrollbars='+s+',resizable='+r+',toolbar='+tb)
	newWindow = window.open(url,wn,'width='+w+',height='+h+',left='+l+',top='+t+',scrollbars='+s+',resizable='+r+',toolbar='+tb )
	newWindow.focus()
}


function addToFavorites(){
	if (window.external){
		// if the browser is IE open the add favorite window
		external.AddFavorite(location.href,document.title)
	}
	else{
		alert("Sorry, your browser doesn't support this feature.\nPlease use the bookmark feature of your browser to save the location of this page.");
	}
}


function expand(d){
	document.getElementById(d).style.display = "block";
	eval("document.getElementById('" + d + "OFF').style.display = 'none';");
}


function contract(d){
	document.getElementById(d).style.display = "none";
	eval("document.getElementById('" + d + "OFF').style.display = 'block';");
}





/* === DREAMWEAVER SCRIPTS ===*/
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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];}
}