var currentMain ;
var currentSub ;

function $(id) {
    return document.getElementById(id);
}

function toggle( ele )
{
	topEle = $( ele );
	if ( topEle.style.display == "" )
		topEle.style.display = "none";	
	else
		topEle.style.display = "";
}

function toggleform(ele, val)
{
    topEle = $(ele);
    if ( topEle != null )
	if (topEle.style.visibility != val)
	{
	     topEle.style.visibility = val;
	}
}
function setdisplay( ele, val )
{

    topEle = $(ele);
    if ( topEle != null )
	if (topEle.style.display != val)
	{
	     topEle.style.display = val;
	}
}
function toggleTrueFalse( ele )
{
	topEle = $( ele );
	
	if ( topEle.value == "" )
		topEle.value = "true";
	else
		topEle.value = "";
}

function toggleSub( ele )
{	
	var oldele = $( currentSub + "c" );
	var newele = $( ele + "c" );
	
	if(oldele != null)
	{
		if(oldele.id == newele.id)
		{
			currentSub = null;
		}
		}
	
	if ( currentSub != null)
	{	
		oldele.className = "";
				
		if ( currentSub != ele )
			setdisplay(currentSub, 'none');
			}
	
	if(newele.className == "open")
	{
		newele.className = "";
		}
	else
	{
		newele.className = "open";
		}
	
	toggle(ele);
	currentSub = ele ;
	
	
}

function toggleMain( ele )
{
	if ( currentMain != null)
		if ( currentMain != ele )
			setdisplay(currentMain, 'none');
//	toggle(ele);
	setdisplay(ele, "")
	currentMain = ele ;
}

function swapImage( ele, src)
{
	ele = $( ele );
	mag = $('enlargeLink');
	
	if ( ele != null )
		ele.src = src ;
		
	if (mag != null )
		mag.href = src;
}

function clearfield(ele, value)
{
	ele = $( ele );
	if ( ele.value == value )
		ele.value = "" ;
}
function toggleClass(ele, value)
{
	if(ele.className != value)
		ele.className = value;
	else
		ele.className = "";
}

function productCompare( root )
{
	Count = 0;
	ListString = ":";
	var c = document.forms["prdForm"].elements["check"];
	if (c && c.length)
	{
		for (var i = 0; i < c.length; i++)
		{
			if (c[i].checked )
			{
				Count =  Count + 1  ;
				ListString = ListString + document.forms["prdForm"].t[i].value ; 
				ListString = ListString + ":" ;
			}
		}
	}
	if ( Count < 1 ) 
		window.alert( "Select at least one item from list") ; 
	else 
	{ 
		if ( Count > 8 ) 
			window.alert( "Select only up to 8 transducers from the list") ; 
		else 
			document.location = "/products/compare.aspx?list=" + ListString + "&p=" + root; 
	} 
} 

function submitForm()
{
    if (document.forms['form2'].elements["searchText"].value  == "" || document.forms['form2'].elements["searchText"].value == "Search")
    { alert("Please specify something to search for..."); return false; }

	return true;
}
function submitFAQForm()
{
    if (document.forms['frmForm'].elements["supFAQSearch"].value  == "" )
    { alert("Please specify something to search for..."); return false; }

	return true;
}

function redirec( arg)
{
	document.location.href = arg ;
}

var dateFormat = function() {
    var token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function(val, len) {
		    val = String(val);
		    len = len || 2;
		    while (val.length < len) val = "0" + val;
		    return val;
		};

    // Regexes and supporting functions are cached through closure
    return function(date, mask, utc) {
        var dF = dateFormat;

        // You can't provide utc if you skip other args (use the "UTC:" mask prefix)
        if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
            mask = date;
            date = undefined;
        }

        // Passing date through Date applies Date.parse, if necessary
        date = date ? new Date(date) : new Date;
        if (isNaN(date)) throw SyntaxError("invalid date");

        mask = String(dF.masks[mask] || mask || dF.masks["default"]);

        // Allow setting the utc argument via the mask
        if (mask.slice(0, 4) == "UTC:") {
            mask = mask.slice(4);
            utc = true;
        }

        var _ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
			    d: d,
			    dd: pad(d),
			    ddd: dF.i18n.dayNames[D],
			    dddd: dF.i18n.dayNames[D + 7],
			    m: m + 1,
			    mm: pad(m + 1),
			    mmm: dF.i18n.monthNames[m],
			    mmmm: dF.i18n.monthNames[m + 12],
			    yy: String(y).slice(2),
			    yyyy: y,
			    h: H % 12 || 12,
			    hh: pad(H % 12 || 12),
			    H: H,
			    HH: pad(H),
			    M: M,
			    MM: pad(M),
			    s: s,
			    ss: pad(s),
			    l: pad(L, 3),
			    L: pad(L > 99 ? Math.round(L / 10) : L),
			    t: H < 12 ? "a" : "p",
			    tt: H < 12 ? "am" : "pm",
			    T: H < 12 ? "A" : "P",
			    TT: H < 12 ? "AM" : "PM",
			    Z: utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
			    o: (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
			    S: ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

        return mask.replace(token, function($0) {
            return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
        });
    };
} ();

// Some common format strings
dateFormat.masks = {
    "default": "ddd mmm dd yyyy HH:MM:ss",
    shortDate: "m/d/yy",
    mediumDate: "mmm d, yyyy",
    longDate: "mmmm d, yyyy",
    fullDate: "dddd, mmmm d, yyyy",
    shortTime: "h:MM TT",
    mediumTime: "h:MM:ss TT",
    longTime: "h:MM:ss TT Z",
    isoDate: "yyyy-mm-dd",
    isoTime: "HH:MM:ss",
    isoDateTime: "yyyy-mm-dd'T'HH:MM:ss",
    isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
    dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
    monthNames: [
		"jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec",
		"january", "february", "march", "april", "may", "june", "july", "august", "september", "october", "november", "december"
	]
};

// For convenience...
Date.prototype.format = function(mask, utc) {
    return dateFormat(this, mask, utc);
};

Date.prototype.stdTimezoneOffset = function() {
    var jan = new Date(this.getFullYear(), 0, 1);
    var jul = new Date(this.getFullYear(), 6, 1);
    return Math.max(jan.getTimezoneOffset(), jul.getTimezoneOffset());
}

Date.prototype.isDaylightSavingTime = function() {
    return new Date(this.getFullYear(), 0, 1).getTimezoneOffset() != this.getTimezoneOffset();
}

Date.prototype.hasDaylightSavingTime = function() {
    var rightNow = new Date();
    var date1 = new Date(rightNow.getFullYear(), 0, 1, 0, 0, 0, 0);
    var date2 = new Date(rightNow.getFullYear(), 6, 1, 0, 0, 0, 0);

    return date1.getTimezoneOffset() !== date2.getTimezoneOffset();
}

var currentdate = new Date();
var timeoffsetminutes = currentdate.stdTimezoneOffset();
var timezoneoffsethours = (timeoffsetminutes / 60) * -1;
var hasdaylighttime = currentdate.hasDaylightSavingTime();
var timezoneselecboxvalue = (Math.floor(timezoneoffsethours) != timezoneoffsethours ? (Math.floor(timezoneoffsethours) + "." + (timezoneoffsethours - Math.floor(timezoneoffsethours)) * 60) : timezoneoffsethours) + "," + (hasdaylighttime ? "1" : "0");


function timezonetime(date) 
{
    document.write(date.format('HH:mm') + formatGMT());
}

function formatGMT() {
    var result = ' GMT ';

    if (timezoneoffsethours != 0) {
        if (timezoneoffsethours > 0) {
            result += "+";
        }
        if (((timezoneoffsethours - Math.floor(timezoneoffsethours)) * 60) > 0) {
            result += (Math.floor(timezoneoffsethours) + ":" + (timezoneoffsethours - Math.floor(timezoneoffsethours)) * 60)
        } else {
           result += Math.floor(timezoneoffsethours);
        }

    }
    return result;
}


function timezonedate(date) {
    document.write(date.format('dd MMM yyyy'));
}

function timezone(date) {
    timezonedate(date);
    document.write(' ');
    timezonetime(date);
}

function timezones(config) 
{
    var buffer = '<p>';
    for (var i = 0; i < config.length; i++) 
    {
        buffer += config[i][1].format('dd mmm HH:MM');
        if (config.length > 1 && i < config.length - 1) {
            buffer += '<br />';
        }
    }
    buffer += '</p>';
    document.write(buffer);
}