var unloadHandlers=new Array();
var loadHandlers=new Array();

var numPopups = 0 ;
var winPopups = new Array();

function runUnloadHandlers() {
	for(f=0; f<unloadHandlers.length;f++) {
		unloadHandlers[f] () ;
	}
	for(n=0;n<winPopups.length;n++) {
		winPopups[n].close();
	}

	if (window.onPageUnload)
		window.onPageUnload();
}

function addUnloadHandler(f) {
	unloadHandlers[unloadHandlers.length] = f;
}

function runLoadHandlers() {
	for(f=0; f<loadHandlers.length;f++) {
		loadHandlers[f] () ;
	}
	
	if ((nf = document.forms.length)>0) {
		for(f = 0 ; f < nf ; f ++) {
			if (document.forms[f].onsubmit) 
				alert('Old style onSubmit has been disabled in this form. Please contact LibertyLine and report this message') ;
			document.forms[f].onsubmit = function() {
				if (window.onFormSubmit) {
					if (!window.onFormSubmit(this)) {
						return false ;
					}
				}
				disableForms();
				return true ;
			}
		}
	}
	
	if (window.onPageLoad)
		window.onPageLoad();
}

function addLoadHandler(f) {
	loadHandlers[loadHandlers.length] = f;
}

function popup(file,w,h) {
	nmpopup(file,'',w,h) ;
}

function nmpopup(file,win,w,h) {
	winPopups[winPopups.length] = window.open(file,win,"height="+h+",width="+w+", toolbar=no,location=no,directories=no,scrollbars=yes,status=no,resizable=yes,copyhistory=no") ;
}

var _form_has_been_submitted = false ;

function disableForms() {
	if (_form_has_been_submitted) {
		window.status='please wait...';
		return false;
	}
	_form_has_been_submitted = true ;

	num = document.forms.length ;
	for(a = 0; a<num ; a++ )  {
		with(document.forms[a]) {
			for(b=0;b<elements.length;b++) {
				elname = elements[b].type.toLowerCase();
				if (elname=='submit' || elname=='button') {
					elements[b].style.visibility = 'hidden';
				}
			}
		}
	}
	return true ;
}

function jsGo(loc) {
	disableForms();
	document.location = loc ;
}

function trim(str) {
	return str.replace(/^\s+/,'').replace(/\s+$/,'');
}

function setContent(id,content) {
	if (document.all) document.all[id].innerHTML=content ;
	else if (document.getElementById) {
		rng = document.createRange();
		el = document.getElementById(id);
		rng.setStartBefore(el);
		htmlFrag = rng.createContextualFragment(content);
		while (el.hasChildNodes())
			el.removeChild(el.lastChild);
		el.appendChild(htmlFrag);
	}
}

function getElement(elname) {
	if (document.all) {
		return document.all[elname];
	}
	if (document.getElementById) {
		return document.getElementById(elname) ;
	}

	return null ; 
}

function hideElement(name) {
	if ((el = getElement(name))!=null) {
		if (el.style) {
			//el.style.visibility = 'hidden';
			el.style.display = 'none';
		} else {
			if (el.display)
			  el.display='none';
			// if (el.visibility) el.visibility = 'hidden';
		}
	}
}

function showElement(name) {
	if ((el = getElement(name))!=null) {
		if (el.style) {
			el.style.display = '';
			//el.style.visibility = 'visible';
		} else {
			if (el.display) el.display='';
			// if (el.visibility)  el.visibility = 'visible';
		}
	}
}



function checkField(fld,ml,err) {
	if (fld.value.length<ml) {
		if (err!='') {
			alert(err) ;
			fld.focus();
		}
		return false ;
	}	
	return true ;
}
function checkSelect(fld,err) {
	if (fld.selectedIndex==0) {
		alert(err) ;
		return false;
	}
	return true ;
}

function checkDate(fld,fmt,err) {
	if (!internalCheckDate(fld.value,fmt)) {
		alert(err) ;
		return false;
	}
	return true ;
}


function checkEmail(field,msg) {
	var str = field.value;
	if (window.RegExp) {
		var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
		var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$";
		var reg1 = new RegExp(reg1str);
		var reg2 = new RegExp(reg2str);
		if (!reg1.test(str) && reg2.test(str))
			return true;
		alert(msg) ;
		field.focus();
		return false;
	} else {
		if(str.indexOf("@") >= 0)
			return true;
		alert(msg) ;
		field.focus();
		return false;
	}
}

	function notNull(str) {
		if (str.length == 0 )
			return false ;
		else 
			return true;
	}

function notBlank(str) {
	for (i = 0; i < str.length; i++) {
		if (str.charAt(i) != " ")
			return true;
	}
	return false;
}

	function isSize(str, size) {
		if (str.length == size) 
			return true;
		else
			return false;
	}


function isDigits(str) {
	var i
		for (i = 0; i < str.length; i++) {
			mychar = str.charAt(i);
			if (mychar < "0" || mychar > "9")
				return false;
		}
	return true;
}

function isNumber(str) {
	str = trim(str) ;
	numdecs = 0;
	if (str.length==0)
		return false ;
		
	for (i = 0; i < str.length; i++) {
		mychar = str.charAt(i);
		if ((mychar >= "0" && mychar <= "9") || mychar == ".") {
			if (mychar == ".")
				numdecs++;
		}
		else 
			return false;
	}
	if (numdecs > 1)
		return false;
	return true;
}

function isInRange(str, num1, num2) {
	var i = parseInt(str);
	return((i >= num1) && (i <= num2));
}

function stripNonDigits(str) {
	var i;
	var newstring = "";
	for (i = 0;  i < str.length; i++) {
		mychar = str.charAt(i);
		if (isDigits(mychar)) 
			newstring += mychar;
	}
	return newstring;
}

function stripChars(str, chars) {
	var i;
	var newstring = "";
	for (i = 0;  i < str.length; i++) {
		mychar = str.charAt(i);
		if (chars.indexOf(mychar) == -1)
			newstring += mychar;
	}
	return newstring;
}

function getYear(d) { 
	return (d < 1000) ? d + 1900 : d;
}
function internalCheckDate(dat,format)
{
	if (dat.length != 10) return false ;

	switch(format) {
		case 0 : 
			var day=dat.substring(0,2);
			var mon=dat.substring(3,5) -1;
			var year=dat.substring(6,10);
			if (dat.substring(2,3)!='/' || dat.substring(5,6)!='/') {
				return false;
			}
			break ;
		case 1 : 
			var mon=dat.substring(0,2)-1;
			var day=dat.substring(3,5) 
				var year=dat.substring(6,10);
			if (dat.substring(2,3)!='/' || dat.substring(5,6)!='/') {
				return false;
			}
			break ;
		case 2 :
			var year=dat.substring(0,4);
			var mon=dat.substring(6,7) -1;
			var day=dat.substring(8,10);
			if (dat.substring(4,5)!='/' || dat.substring(7,8)!='/') {
				return false;
			}
			break ;
	}
	var test = new Date(year,mon,day);
	if (getYear(test.getYear())==year && test.getMonth()==mon && test.getDate()==day) return true ;
	return false ;
}

function resizeWindow(w,h) {
	if (!window.innerWidth) {
		window.resizeTo(w+10,h+10);
	} else {
		window.innerWidth = w ;
		window.innerHeight = h ;
	}
}

function checkExplorer() {
	//<!--
	// Ultimate client-side JavaScript client sniff. Version 3.03
	// (C) Netscape Communications 1999-2001.  Permission granted to reuse and distribute.
	// Revised 17 May 99 to add is_nav5up and is_ie5up (see below).
	// Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up
	//                      also added support for IE5.5 Opera4&5 HotJava3 AOLTV
	// Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, 
	//                      correct Opera 5 detection
	//                      add support for winME and win2k
	//                      synch with browser-type-oo.js
	// Revised 26 Mar 01 to correct Opera detection
	// Revised 02 Oct 01 to add IE6 detection

	// Everything you always wanted to know about your JavaScript client
	// but were afraid to ask. Creates "is_" variables indicating:
	// (1) browser vendor:
	//     is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV
	// (2) browser version number:
	//     is_major (integer indicating major version number: 2, 3, 4 ...)
	//     is_minor (float   indicating full  version number: 2.02, 3.01, 4.04 ...)
	// (3) browser vendor AND major version number
	//     is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3,
	//     is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up,
	//     is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up
	// (4) JavaScript version number:
	//     is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
	// (5) OS platform and version:
	//     is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k
	//     is_os2
	//     is_mac, is_mac68k, is_macppc
	//     is_unix
	//     is_sun, is_sun4, is_sun5, is_suni86
	//     is_irix, is_irix5, is_irix6
	//     is_hpux, is_hpux9, is_hpux10
	//     is_aix, is_aix1, is_aix2, is_aix3, is_aix4
	//     is_linux, is_sco, is_unixware, is_mpras, is_reliant
	//     is_dec, is_sinix, is_freebsd, is_bsd
	//     is_vms
	//
	// See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and
	// http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html
	// for detailed lists of userAgent strings.
	//
	// Note: you don't want your Nav4 or IE4 code to "turn off" or
	// stop working when new versions of browsers are released, so
	// in conditional code forks, use is_ie5up ("IE 5.0 or greater") 
	// is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5
	// to check version in code which you want to work on future
	// versions.

	// convert all characters to lowercase to simplify testing
	var agt=navigator.userAgent.toLowerCase();

	// *** BROWSER VERSION ***
	// Note: On IE5, these return 4, so use is_ie5up to detect IE5.
	var is_major = parseInt(navigator.appVersion);
	var is_minor = parseFloat(navigator.appVersion);

	// Note: Opera and WebTV spoof Navigator.  We do strict client detection.
	// If you want to allow spoofing, take out the tests for opera and webtv.
	var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
			&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
			&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
	var is_nav2 = (is_nav && (is_major == 2));
	var is_nav3 = (is_nav && (is_major == 3));
	var is_nav4 = (is_nav && (is_major == 4));
	var is_nav4up = (is_nav && (is_major >= 4));
	var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
				(agt.indexOf("; nav") != -1)) );
	var is_nav6 = (is_nav && (is_major == 5));
	var is_nav6up = (is_nav && (is_major >= 5));
	var is_gecko = (agt.indexOf('gecko') != -1);


	var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	var is_ie3    = (is_ie && (is_major < 4));
	var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
	var is_ie4up  = (is_ie && (is_major >= 4));
	var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
	var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
	var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
	var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
	var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
	var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

	// KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
	// or if this is the first browser window opened.  Thus the
	// variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
	var is_aol   = (agt.indexOf("aol") != -1);
	var is_aol3  = (is_aol && is_ie3);
	var is_aol4  = (is_aol && is_ie4);
	var is_aol5  = (agt.indexOf("aol 5") != -1);
	var is_aol6  = (agt.indexOf("aol 6") != -1);

	var is_opera = (agt.indexOf("opera") != -1);
	var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
	var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
	var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
	var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
	var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

	var is_webtv = (agt.indexOf("webtv") != -1); 

	var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
	var is_AOLTV = is_TVNavigator;

	var is_hotjava = (agt.indexOf("hotjava") != -1);
	var is_hotjava3 = (is_hotjava && (is_major == 3));
	var is_hotjava3up = (is_hotjava && (is_major >= 3));

	// *** JAVASCRIPT VERSION CHECK ***
	var is_js;
	if (is_nav2 || is_ie3) is_js = 1.0;
	else if (is_nav3) is_js = 1.1;
	else if (is_opera5up) is_js = 1.3;
	else if (is_opera) is_js = 1.1;
	else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
	else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
	else if (is_hotjava3up) is_js = 1.4;
	else if (is_nav6 || is_gecko) is_js = 1.5;
	// NOTE: In the future, update this code when newer versions of JS
	// are released. For now, we try to provide some upward compatibility
	// so that future versions of Nav and IE will show they are at
	// *least* JS 1.x capable. Always check for JS version compatibility
	// with > or >=.
	else if (is_nav6up) is_js = 1.5;
	// NOTE: ie5up on mac is 1.4
	else if (is_ie5up) is_js = 1.3

		// HACK: no idea for other browsers; always check for JS version with > or >=
	else is_js = 0.0;

	// *** PLATFORM ***
	var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	// NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
	//        Win32, so you can't distinguish between Win95 and WinNT.
	var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

	// is this a 16 bit compiled version?
	var is_win16 = ((agt.indexOf("win16")!=-1) || 
			(agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || 
			(agt.indexOf("windows 16-bit")!=-1) );  

	var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
			(agt.indexOf("windows 16-bit")!=-1));

	var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));
	var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1));

	// NOTE: Reliable detection of Win98 may not be possible. It appears that:
	//       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
	//       - On Mercury client, the 32-bit version will return "Win98", but
	//         the 16-bit version running on Win98 will still return "Win95".
	var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
	var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
	var is_win32 = (is_win95 || is_winnt || is_win98 || 
			((is_major >= 4) && (navigator.platform == "Win32")) ||
			(agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));

	var is_os2   = ((agt.indexOf("os/2")!=-1) || 
			(navigator.appVersion.indexOf("OS/2")!=-1) ||   
			(agt.indexOf("ibm-webexplorer")!=-1));

	var is_mac    = (agt.indexOf("mac")!=-1);
	// hack ie5 js version for mac
	if (is_mac && is_ie5up) is_js = 1.4;
	var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || 
				(agt.indexOf("68000")!=-1)));
	var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 
				(agt.indexOf("powerpc")!=-1)));

	var is_sun   = (agt.indexOf("sunos")!=-1);
	var is_sun4  = (agt.indexOf("sunos 4")!=-1);
	var is_sun5  = (agt.indexOf("sunos 5")!=-1);
	var is_suni86= (is_sun && (agt.indexOf("i86")!=-1));
	var is_irix  = (agt.indexOf("irix") !=-1);    // SGI
	var is_irix5 = (agt.indexOf("irix 5") !=-1);
	var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
	var is_hpux  = (agt.indexOf("hp-ux")!=-1);
	var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1));
	var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1));
	var is_aix   = (agt.indexOf("aix") !=-1);      // IBM
	var is_aix1  = (agt.indexOf("aix 1") !=-1);    
	var is_aix2  = (agt.indexOf("aix 2") !=-1);    
	var is_aix3  = (agt.indexOf("aix 3") !=-1);    
	var is_aix4  = (agt.indexOf("aix 4") !=-1);    
	var is_linux = (agt.indexOf("inux")!=-1);
	var is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
	var is_unixware = (agt.indexOf("unix_system_v")!=-1); 
	var is_mpras    = (agt.indexOf("ncr")!=-1); 
	var is_reliant  = (agt.indexOf("reliantunix")!=-1);
	var is_dec   = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || 
			(agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || 
			(agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 
	var is_sinix = (agt.indexOf("sinix")!=-1);
	var is_freebsd = (agt.indexOf("freebsd")!=-1);
	var is_bsd = (agt.indexOf("bsd")!=-1);
	var is_unix  = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || 
			is_sco ||is_unixware || is_mpras || is_reliant || 
			is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);

	var is_vms   = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));

	if (!is_ie5_5up) 
		alert("$$Sorry! You need Internet Explorer Version 5.5 or better to correctly view this page$$") ;
}
function getAbsoluteTop(objectId) {
	o = getElement(objectId) ;
	
	if (o) {
		oTop = o.offsetTop ;           // Get top position from the parent object
		while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
			oParent = o.offsetParent ; // Get parent object reference
				oTop += oParent.offsetTop ;// Add parent top position
				o = oParent ;
		}
		return oTop ;
	}
	return oTop
}
function getAbsoluteBottom(objectId) {
	o = getElement(objectId) ;
	if (o) {
		oHeight = o.offsetHeight ;
		oTop = o.offsetTop            // Get top position from the parent object
		while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
			oParent = o.offsetParent  // Get parent object reference
				oTop += oParent.offsetTop // Add parent top position
				o = oParent
		}
		return oTop + oHeight ;
	}
	return 0 ;
}

function setCopyright() {
	if (cpDiv = getElement('copyright')) {
		minY = getAbsoluteBottom('content') ;
		posY = document.body.offsetHeight - 24;
		if (posY < minY) posY = minY - 20;
		cpDiv.style.left = 48 ;
		cpDiv.style.top =  posY;
		cpDiv.style.display = '';
		//alert('posY: ' + posY + ' , minY: ' + minY) ;
	} 
}

window.onunload = runUnloadHandlers ;
window.onresize = setCopyright ;
window.onload = runLoadHandlers ;

addLoadHandler(setCopyright) ;