function default_text()
	{
		if(document.getElementById('txtsearch').value.trim()=='')
		document.getElementById('txtsearch').value='Search...';
	}
	
	function search_clean()
	{
		if(document.getElementById('txtsearch').value.trim()=='Search...')
		document.getElementById('txtsearch').value='';
	}
	
	function UncheckAll(notthiselement)
	{
		count = document.search_form.elements.length;
		for (i=0; i < count; i++) 
		{
			if(document.search_form.elements[i].id!=notthiselement)
				document.search_form.elements[i].checked = 0;
		}
	}


	
	function search_site()
	{
		if(document.getElementById('txtsearch').value.trim()=='' || document.getElementById('txtsearch').value.trim()=='Search...')
		{
			default_text();
			return false;
		}
		
		programs=false;
		programs=document.getElementById('checkbox_programs').checked;
		
		news=false;
		news=document.getElementById('checkbox_news').checked;
		
		events=false;
		events=document.getElementById('checkbox_events').checked;
		
		search_word=document.getElementById('txtsearch').value;
		search_word_encoded = base64_encode(search_word);
		
		//alert(search_word_encoded);
	
		if(programs==true)
		{
		//deselect_all();
		//window.location="http://www.video.marinebiztv.com/search.php?ky=dmlkZW9z";
		window.open("http://www.video.marinebiztv.com/search.php?ky="+search_word_encoded);
		}
		
		if(news==true)
		{
			/*if(search_word.length > 20)
			search_word=search_word.substr(1,20);*/
		window.open("http://news.marinebiztv.com/?searchword="+search_word+"&searchphrase=any&limit=&ordering=newest&view=search&Itemid=99999999&option=com_search");
		}
		
		if(events==true)
		{
		window.open("http://events.marinebiztv.com/search.php?name="+search_word.replace(/ /g,"+").trim()+"&action=Search");
		}
	}
	
	function set_focus()
	{
		if(document.getElementById('txtsearch').value.trim()=='Search...')
		{
			document.getElementById('txtsearch').value ='';
		}
		document.getElementById('txtsearch').focus();
	}
	
	function select_box(id)
	{
		UncheckAll('');
		if(id=='checkbox_programs')
		document.getElementById('checkbox_programs').checked=true;
		if(id=='checkbox_news')
		document.getElementById('checkbox_news').checked=true;
		if(id=='checkbox_events')
		document.getElementById('checkbox_events').checked=true;
	}

$(document).ready(function() {		
	
	//Execute the slideShow
	slideShow();

});

function slideShow() {

	//Set the opacity of all imagesnew to 0
	$('#gallery a').css({opacity: 0.0});
	
	//Get the first image and display it (set it to full opacity)
	$('#gallery a:first').css({opacity: 1.0});
	
	//Set the caption background to semi-transparent
	$('#gallery .caption').css({opacity: 0.7});

	//Resize the width of the caption according to the image width
	$('#gallery .caption').css({width: $('#gallery a').find('img').css('width')});
	
	//Get the caption of the first image from REL attribute and display it
	$('#gallery .content').html($('#gallery a:first').find('img').attr('rel'))
	.animate({opacity: 0.7}, 400);
	
	//Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
	setInterval('gallery()',6000);
	
}

function gallery() {
	
	//if no IMGs have the show class, grab the first image
	var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

	//Get next image, if it reached the end of the slideshow, rotate it back to the first image
	var next = ((current.next().length) ? ((current.next().hasClass('caption'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));	
	
	//Get next image caption
	var caption = next.find('img').attr('rel');	
	
	//Set the fade in effect for the next image, show class has higher z-index
	next.css({opacity: 0.0})
	.addClass('show')
	.animate({opacity: 1.0}, 1000);

	//Hide the current image
	current.animate({opacity: 0.0}, 1000)
	.removeClass('show');
	
	//Set the opacity to 0 and height to 1px
	$('#gallery .caption').animate({opacity: 0.0}, { queue:false, duration:0 }).animate({height: '1px'}, { queue:true, duration:300 });	
	
	//Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
	$('#gallery .caption').animate({opacity: 0.7},100 ).animate({height: '100px'},500 );
	
	//Display the content
	$('#gallery .content').html(caption);
	
	
}

function base64_encode (data)
		{
    // http://kevin.vanzonneveld.net
    // +   original by: Tyler Akins (http://rumkin.com)
    // +   improved by: Bayron Guevara
    // +   improved by: Thunder.m
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Pellentesque Malesuada
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // -    depends on: utf8_encode
    // *     example 1: base64_encode('Kevin van Zonneveld');
    // *     returns 1: 'S2V2aW4gdmFuIFpvbm5ldmVsZA=='
 
    // mozilla has this native
    // - but breaks in 2.0.0.12!
    //if (typeof this.window['atob'] == 'function') {
    //    return atob(data);
    //}
        
    var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var o1, o2, o3, h1, h2, h3, h4, bits, i = 0, ac = 0, enc="", tmp_arr = [];
 
    if (!data)
	{
        return data;
    }
 
    data = this.utf8_encode(data+'');
    
    do { // pack three octets into four hexets
        o1 = data.charCodeAt(i++);
        o2 = data.charCodeAt(i++);
        o3 = data.charCodeAt(i++);
 
        bits = o1<<16 | o2<<8 | o3;
 
        h1 = bits>>18 & 0x3f;
        h2 = bits>>12 & 0x3f;
        h3 = bits>>6 & 0x3f;
        h4 = bits & 0x3f;
 
        // use hexets to index into b64, and append result to encoded string
        tmp_arr[ac++] = b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
    } while (i < data.length);
    
    enc = tmp_arr.join('');
    
    switch (data.length % 3) {
        case 1:
            enc = enc.slice(0, -2) + '==';
        break;
        case 2:
            enc = enc.slice(0, -1) + '=';
        break;
    }
 
    return enc;
}

function utf8_encode ( argString ) {
    // Encodes an ISO-8859-1 string to UTF-8  
    // 
    // version: 908.406
    // discuss at: http://phpjs.org/functions/utf8_encode
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: sowberry
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +   improved by: Yves Sucaet
    // +   bugfixed by: Onno Marsman
    // *     example 1: utf8_encode('Kevin van Zonneveld');
    // *     returns 1: 'Kevin van Zonneveld'
    var string = (argString+'').replace(/\r\n/g, "\n").replace(/\r/g, "\n");

    var utftext = "";
    var start, end;
    var stringl = 0;

    start = end = 0;
    stringl = string.length;
    for (var n = 0; n < stringl; n++) {
        var c1 = string.charCodeAt(n);
        var enc = null;

        if (c1 < 128) {
            end++;
        } else if (c1 > 127 && c1 < 2048) {
            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
        } else {
            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
        }
        if (enc !== null) {
            if (end > start) {
                utftext += string.substring(start, end);
            }
            utftext += enc;
            start = end = n+1;
        }
    }

    if (end > start) {
        utftext += string.substring(start, string.length);
    }

    return utftext;
}

String.prototype.trim = function () 
{
    return this.replace(/^\s*/, "").replace(/\s*$/, "");
}