var state = 'none';
function showhide(layer_ref1, layer_ref2) {
	eval( "document.all." + layer_ref1 + ".style.display = state");
	if (state == 'block') {
		state = 'none';
	}
	else {
		state = 'block';
	}
	if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref2 + ".style.display = state");
	}
}

function equalvalidation(entered,entered2, alertbox) {
	if ( entered.value == entered2.value)
		return true;
	else {
		if (alertbox != "") {
			alert(alertbox);
		}
		return false;
	}
}
function emptyvalidation(entered, alertbox) {
	with (entered) {
		if (value==null || value=="") {
			if (alertbox != "") {
				alert(alertbox);
			}
			return false;
		}
		else {
			return true;
		}
	}
}

/* henry 08/26/2002*/

function regpassword_validation(entered, alertbox) {
	with (entered) {
		len = value.length;
		if (len < 8 ) {
			if (alertbox != "") {
				alert(alertbox);
			}
			return false;
		}
		else {
			return true;
		}
	}
}

/**************
jerry 05/15/2002
browser incompatability issue
use selectedindex instead for select
************/
function emptyvalidation_select(entered, alertbox) {
	with (entered) {
		if (selectedIndex == -1 || selectedIndex == 0) {
			if (alertbox != "") {
				alert(alertbox);
			}
			return false;
		}
		else {
			return true;
		}
	}
}
function emptyvalidation_select2(entered, alertbox) {
	with (entered) {
		if (selectedIndex == -1) {
			if (alertbox != "") {
				alert(alertbox);
			}
			return false;
		}
		else {
			return true;
		}
	}
}

function emptyvalidation_radiobutton(btn, alertbox) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) {
    	return true;
    }
    else {
	if (alertbox != "") {
		alert(alertbox);
	}
    	return false;
    }
}
         
/*************/

function emailvalidation(entered, alertbox) {
	with (entered) {
		apos = value.indexOf("@");
		dotpos = value.lastIndexOf(".");
		lastpos = value.length - 1;
		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>4 || lastpos-dotpos<2) {
			if (alertbox) {
				alert(alertbox);
			}
			return false;
		}
		else {
			// check comma in the email address.
			cpos = value.indexOf(",");
			//alert(cpos);
			if ( cpos >= 1 ) {
				if (alertbox) {
					alert(alertbox);
				}
				return false;
			}
			return true;
		}
	}
}


function onClickFirstPage() {
	document.researchForm.startRecord.value = 1;
	document.researchForm.submit();
}

function onClickPrevPage() {
	document.researchForm.startRecord.value -= document.researchForm.maxRecords.value;
	document.researchForm.submit();
}

function onClickNextPage() {
	document.researchForm.startRecord.value
		= document.researchForm.startRecord.value*1
		+ document.researchForm.maxRecords.value*1;
	document.researchForm.submit();
}

function sortBy(colName) {
	if (colName == null) return;
	formObj = document.researchForm;
	if (formObj.sortedBy == null) return;
	if (formObj.sortDescending == null) formObj.sortDescending = false;
	formObj.sortedBy.value = colName;
	if (formObj.sortDescending.value == "true") {
		formObj.sortDescending.value = "false";
	}
	else {
		formObj.sortDescending.value = "true";
	}
	formObj.submit();
}

function popup(url, name, width, height) {
	settings=
		"toolbar=no,location=no,directories=no,"+
		"status=no,menubar=no,scrollbars=yes,"+
		"resizable=no,width="+width+",height="+height;
	MyNewWindow=window.open(url,name,settings);
}

var rollOverArr=new Array();
function setrollover(OverImgSrc,pageImageName) {
	if (! document.images)return;
	if (pageImageName == null) pageImageName = document.images[document.images.length-1].name;
	rollOverArr[pageImageName]=new Object;
	rollOverArr[pageImageName].overImg = new Image;
	rollOverArr[pageImageName].overImg.src=OverImgSrc;
}

function rollover(pageImageName) {
	if (! document.images)return;
	if (! rollOverArr[pageImageName])return;
	if (! rollOverArr[pageImageName].outImg) {
		rollOverArr[pageImageName].outImg = new Image;
		rollOverArr[pageImageName].outImg.src = document.images[pageImageName].src;
    }
	document.images[pageImageName].src=rollOverArr[pageImageName].overImg.src;
}

function rollout(pageImageName) {
	if (! document.images)return;
	if (! rollOverArr[pageImageName])return;
	document.images[pageImageName].src=rollOverArr[pageImageName].outImg.src;
}

function ifLogin(page,redirect) {
	var toLocation = "servlets/CheckLogin?page="
					+ page
					+ "&redirect="
					+ redirect;
	document.location=toLocation;
}

//henry 08/28/2002 for flashing button on form.


// rollover button effects
function FlashButton_MouseOver() {
  if (window.event.srcElement.classname == "FlashButton") {
     window.event.srcElement.style.filter="Alpha(Opacity=100)";
  }
}
function FlashButton_MouseOut() {
  if (window.event.srcElement.classname == "FlashButton") {
     window.event.srcElement.style.filter="Alpha(Opacity=50)";
  }

}

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];}
}
// end of rollover button effects









/* 1.1.2: Fixed a bug where trailing . in e-mail address was passing
            (the bug is actually in the weak regexp engine of the browser; I
            simplified the regexps to make it work).
   1.1.1: Removed restriction that countries must be preceded by a domain,
            so abc@host.uk is now legal.  However, there's still the
            restriction that an address must end in a two or three letter
            word.
     1.1: Rewrote most of the function to conform more closely to RFC 822.
     1.0: Original  */


function emailCheck (emailStr) {
/* The following pattern is used to check if the entered e-mail address
   fits the user@domain format.  It also is used to separate the username
   from the domain. */
var emailPat=/^(.+)@(.+)$/
/* The following string represents the pattern for matching all special
   characters.  We don't want to allow special characters in the address.
   These characters include ( ) < > @ , ; : \ " . [ ]    */
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
/* The following string represents the range of characters allowed in a
   username or domainname.  It really states which chars aren't allowed. */
var validChars="\[^\\s" + specialChars + "\]"
/* The following pattern applies if the "user" is a quoted string (in
   which case, there are no rules about which characters are allowed
   and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
   is a legal e-mail address. */
var quotedUser="(\"[^\"]*\")"
/* The following pattern applies for domains that are IP addresses,
   rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
   e-mail address. NOTE: The square brackets are required. */
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
/* The following string represents an atom (basically a series of
   non-special characters.) */
var atom=validChars + '+'
/* The following string represents one word in the typical username.
   For example, in john.doe@somewhere.com, john and doe are words.
   Basically, a word is either an atom or quoted string. */
var word="(" + atom + "|" + quotedUser + ")"
// The following pattern describes the structure of the user
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
/* The following pattern describes the structure of a normal symbolic
   domain, as opposed to ipDomainPat, shown above. */
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")


/* Finally, let's start trying to figure out if the supplied address is
   valid. */

/* Begin with the coarse pattern to simply break up user@domain into
   different pieces that are easy to analyze. */
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
  /* Too many/few @'s or something; basically, this address doesn't
     even fit the general mould of a valid e-mail address. */
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]

// See if "user" is valid
if (user.match(userPat)==null) {
    // user is not valid
    alert("The username doesn't seem to be valid.")
    return false
}

/* if the e-mail address is at an IP address (as opposed to a symbolic
   host name) make sure the IP address is valid. */
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}

// Domain is symbolic name
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}

/* domain name seems valid, but now make sure that it ends in a
   three-letter word (like com, edu, gov) or a two-letter word,
   representing country (uk, nl), and that there's a hostname preceding
   the domain or country. */

/* Now we need to break up the domain to get a count of how many atoms
   it consists of. */
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
}

// If we've gotten this far, everything's valid!
return true;
}