function setfocus(){
	var bFound = false;

	if(document.forms == null)
		return;
		
	// for each form
	for (f = 0; f < document.forms.length; f++) {
	    // for each element in each form
	    for (i = 0; i < document.forms[f].length; i++) {
			try{
				document.forms[f][i].focus();
				var bFound = true;
			}
			catch(e){}
			
			// if found in this element, stop looking
			if (bFound == true)
			    break;
		}
		// if found in this form, stop looking
		if (bFound == true)
			break;				
	}
}

function limitText(limitField, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	}
}

function dosort(n){

	var sort = geturlparam('sort');
	var sortdir = geturlparam('sortdir');
	
	if(sort == null || sort != n){
		sort = n;
		sortdir = 'a';
	}
	else{
		sortdir = (sortdir == 'a' ? 'd' : 'a');
	}
	
	var newlocation = window.location.href;
	newlocation = addurlparam(newlocation, 'sort', sort);
	newlocation = addurlparam(newlocation, 'sortdir', sortdir);
		
	window.location = newlocation;	
}

function dopage(n){
	
	var page = n;
	var newlocation = window.location.href;
	newlocation = addurlparam(newlocation, 'pge', page);
		
	window.location = newlocation;
}

function geturlparam(param){
	
	var re = new RegExp(param+'=([^&]*)');
	var match = window.location.href.match(re);
	if(match == null)
		return null;
	else
		return match[1];
}

function addurlparam(url, pname, pvalue){

	var newurl;
	if(url.indexOf(pname+'=') == -1){
		newurl = url;
		newurl += (url.indexOf('?') != -1 ? '&' : '?');
		newurl += (pname+'='+pvalue);
	}
	else{
		var re = new RegExp(pname + '=[^&]*');
		newurl = url.replace(re, pname+'='+pvalue);
	}

	return newurl;
}

var sb1_history = new Array();
function sb1(name){
	
	// Just exit if this submit name has already been called (i.e. disable multiple submit)
	for(i=0; i<sb1_history.length; i++)
		if(sb1_history[i] == name)
			return;
	sb1_history[999] = name;	

	var f = document.getElementById('mainform');
	if(f == null){
		var f = document.createElement('form'); 
		f.style.display = 'none'; 
		document.body.appendChild(f);
		f.method = 'POST'; 
		f.action = "";		
	}
	
	var input = document.createElement("input");
	input.setAttribute("type", "hidden");
	input.setAttribute("name", name);
	input.setAttribute("value", 1);
	f.appendChild(input);	

	f.submit();
	return false;
}

/*
 * Timezone functions
 */
 
function get_timezone_name() {
	tmSummer = new Date(Date.UTC(2005, 6, 30, 0, 0, 0, 0));
	so = -1 * tmSummer.getTimezoneOffset();
	tmWinter = new Date(Date.UTC(2005, 12, 30, 0, 0, 0, 0));
	wo = -1 * tmWinter.getTimezoneOffset();

	if (-660 == so && -660 == wo) return 'Pacific/Midway';
	if (-600 == so && -600 == wo) return 'Pacific/Tahiti';
	if (-570 == so && -570 == wo) return 'Pacific/Marquesas';
	if (-540 == so && -600 == wo) return 'America/Adak';
	if (-540 == so && -540 == wo) return 'Pacific/Gambier';
	if (-480 == so && -540 == wo) return 'US/Alaska';
	if (-480 == so && -480 == wo) return 'Pacific/Pitcairn';
	if (-420 == so && -480 == wo) return 'US/Pacific';
	if (-420 == so && -420 == wo) return 'US/Arizona';
	if (-360 == so && -420 == wo) return 'US/Mountain';
	if (-360 == so && -360 == wo) return 'America/Guatemala';
	if (-360 == so && -300 == wo) return 'Pacific/Easter';
	if (-300 == so && -360 == wo) return 'US/Central';
	if (-300 == so && -300 == wo) return 'America/Bogota';
	if (-240 == so && -300 == wo) return 'US/Eastern';
	if (-240 == so && -240 == wo) return 'America/Caracas';
	if (-240 == so && -180 == wo) return 'America/Santiago';
	if (-180 == so && -240 == wo) return 'Canada/Atlantic';
	if (-180 == so && -180 == wo) return 'America/Montevideo';
	if (-180 == so && -120 == wo) return 'America/Sao_Paulo';
	if (-150 == so && -210 == wo) return 'America/St_Johns';
	if (-120 == so && -180 == wo) return 'America/Godthab';
	if (-120 == so && -120 == wo) return 'America/Noronha';
	if (-60 == so && -60 == wo) return 'Atlantic/Cape_Verde';
	if (0 == so && -60 == wo) return 'Atlantic/Azores';
	if (0 == so && 0 == wo) return 'Africa/Casablanca';
	if (60 == so && 0 == wo) return 'Europe/London';
	if (60 == so && 60 == wo) return 'Africa/Algiers';
	if (60 == so && 120 == wo) return 'Africa/Windhoek';
	if (120 == so && 60 == wo) return 'Europe/Amsterdam';
	if (120 == so && 120 == wo) return 'Africa/Harare';
	if (180 == so && 120 == wo) return 'Europe/Athens';
	if (180 == so && 180 == wo) return 'Africa/Nairobi';
	if (240 == so && 180 == wo) return 'Europe/Moscow';
	if (240 == so && 240 == wo) return 'Asia/Dubai';
	if (270 == so && 210 == wo) return 'Asia/Tehran';
	if (270 == so && 270 == wo) return 'Asia/Kabul';
	if (300 == so && 240 == wo) return 'Asia/Baku';
	if (300 == so && 300 == wo) return 'Asia/Karachi';
	if (330 == so && 330 == wo) return 'Asia/Calcutta';
	if (345 == so && 345 == wo) return 'Asia/Katmandu';
	if (360 == so && 300 == wo) return 'Asia/Yekaterinburg';
	if (360 == so && 360 == wo) return 'Asia/Colombo';
	if (390 == so && 390 == wo) return 'Asia/Rangoon';
	if (420 == so && 360 == wo) return 'Asia/Almaty';
	if (420 == so && 420 == wo) return 'Asia/Bangkok';
	if (480 == so && 420 == wo) return 'Asia/Krasnoyarsk';
	if (480 == so && 480 == wo) return 'Australia/Perth';
	if (540 == so && 480 == wo) return 'Asia/Irkutsk';
	if (540 == so && 540 == wo) return 'Asia/Tokyo';
	if (570 == so && 570 == wo) return 'Australia/Darwin';
	if (570 == so && 630 == wo) return 'Australia/Adelaide';
	if (600 == so && 540 == wo) return 'Asia/Yakutsk';
	if (600 == so && 600 == wo) return 'Australia/Brisbane';
	if (600 == so && 660 == wo) return 'Australia/Sydney';
	if (630 == so && 660 == wo) return 'Australia/Lord_Howe';
	if (660 == so && 600 == wo) return 'Asia/Vladivostok';
	if (660 == so && 660 == wo) return 'Pacific/Guadalcanal';
	if (690 == so && 690 == wo) return 'Pacific/Norfolk';
	if (720 == so && 660 == wo) return 'Asia/Magadan';
	if (720 == so && 720 == wo) return 'Pacific/Fiji';
	if (720 == so && 780 == wo) return 'Pacific/Auckland';
	if (765 == so && 825 == wo) return 'Pacific/Chatham';
	if (780 == so && 780 == wo) return 'Pacific/Enderbury'
	if (840 == so && 840 == wo) return 'Pacific/Kiritimati';
	return 'US/Pacific';
}

function select_timezone(){
	var tz = get_timezone_name();
	var options = document.getElementById('timezone').options;
	for(var i=0; i<options.length; i++){
		if(options[i].value == tz)
			options[i].selected = true;
	}
}