var disable_blink = false;

var ad_blink_items;
var ad_blink_pos=0;
var ad_blink_step=1;

var country_select;
var region_select;
var location_select;


function getTTSaveAd(ad_ref)
{

	var t = "<b>Save this advert</b><br/>";
	t=t+"Enter some notes about " + ad_ref + ":<br/>\n";
	t=t+"<textarea id=\"clip_text_"+ad_ref+"\"></textarea><br/>\n";
	t=t+"<input type=\"button\" value=\"close\" onclick=\"tt_Hide();\" style=\"float:right;\"/>";
	t=t+"<input type=\"button\" value=\"Clip Advert\" onclick=\"advert_clip('"+ad_ref+"');\" />";


	return t;
}

function getTTVideoAd(filename, width, height, ad_ref)
{

	var t = "<b>Video clip</b><br/>";

	//t=t+"<img src=\"" + filename + ".jpg\" width=\""+width+"\" height=\""+height+"\" />";

	//t=t+"<textarea></textarea><br/>\n";
	//t=t+"<input type=\"button\" value=\"save\" /><input type=\"button\" value=\"close\" />";

t += '<p id="video_'+ad_ref+'"><embed id="single" width="320" height="240" flashvars="file='+filename+'&image='+filename+'.jpg&width=320&height=240" allowfullscreen="true" quality="high" name="single" style="" src="/js/flvplayer/flvplayer.swf" type="application/x-shockwave-flash"/></p>';


t=t+"<input type=\"button\" value=\"close\" onclick=\"tt_Hide();\" />";




	return t;
}






function advert_clip(ad_ref)
{
	var clip_text = document.getElementById("clip_text_"+ad_ref);
	//alert("clip: "+ad_ref);
	tt_Hide();
	//debugger;
	return false;
}





function d2h(d) {return d.toString(16);}
function h2d(h) {return parseInt(h,16);}


	/** initiate ad blinker
	 **/
	function initAdBlink()
	{
		var className = "blink";

		ad_blink_items = [];

		var divs  = document.getElementsByTagName("div");

		for(var i in divs)
		{

			if (divs[i].className && divs[i].className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
			{
// 				var sdivs = divs[i].getElementsByTagName("div");
// 				for (var ii in sdivs)
// 				{
// 					if (sdivs[ii].className && sdivs[ii].className.match(new RegExp("(^|\\s)" + "adtitle" + "(\\s|$)")))
// 					{
						ad_blink_items[ad_blink_items.length] = divs[i];
// 					}
// 				}

			}
		}

		if (ad_blink_items.length > 0) pulsateHandler();

	}




	function pulsateHandler()
	{

		/// stop blinking if this flag is set
		if (disable_blink) return true;
		//var opacity = sinoidal(ad_blink_pos += 0.1);
		//if (ad_blink_pos >
		//debug.innerHTML = "opacity = " + opacity + "<br/>";

		var er=167, eg=219, eb=237, sr=255, sg=255, sb=255
		var step = 10;

		ad_blink_pos += ad_blink_step;

		if (ad_blink_pos > step) ad_blink_step = -1;
		if (ad_blink_pos < 1) ad_blink_step = 1;

		//if (++ad_blink_pos >= step) ad_blink_pos = 0;

		var r = Math.floor(sr * ((step-ad_blink_pos)/step) + er * (ad_blink_pos/step));
    var g = Math.floor(sg * ((step-ad_blink_pos)/step) + eg * (ad_blink_pos/step));
    var b = Math.floor(sb * ((step-ad_blink_pos)/step) + eb * (ad_blink_pos/step));

		var color = "#" + d2h(r) + d2h(g) + d2h(b);
		for(i in ad_blink_items)
		{
			ad_blink_items[i].style.background = color;
		}


		setTimeout(pulsateHandler, 50);
		return true;

	}




	function bindSearchFormGrid(form, grid)
	{}


	var browse_search_form = null;
	var advert_browse_list = null;

	window.onload = function (e)
	{


		// bind dynamic search results grid
		browse_search_form = document.getElementById("browse_search_form");
		advert_browse_list = document.getElementById("advert_browse_list");
		bindSearchFormGrid(browse_search_form, advert_browse_list)


		country_select = document.getElementById("country_id");
		if (country_select) {
			country_select.onchange = function (e)
			{

				var country_id = this.value;

				filterRegionsSelect(country_id);


				return true;
			}
			filterRegionsSelect(country_select.value);
		}

		region_select = document.getElementById("region_id");
		if (region_select) {
			region_select.onchange = function (e)
			{
				var region_id = this.value;

				filterLocationsSelect(region_id);

				return true;
			}

			if (region_select.value)
			{
				//filterLocationsSelect(region_select.value);
			}

		}




		location_select = document.getElementById("location_id");
		if (location_select) {
			location_select.onchange = function (e)
			{

				return true;
			}
		}

	}




	function removeOptions(select)
	{
		if (!select) alert("invalid select");

		var options = select.options;
		var omax = options.length;

		for (var i=omax; i > 0; i--)
		{
			options[i] = null;
		}
		return true;
	}



	function addEventSimple(obj, evt,fn)
	{
		if (obj.addEventListener)
		{
			obj.addEventListener(evt, fn, false)
		} else if (obj.attachEvent) {
			obj.attachEvent('on' + evt,fn);
		}

	}




function filterLocationsSelect(region_id)
{
	alert("filterLocationsSelect: " + region_id);
	var location_select = document.getElementById("location_id");

	var old_value = location_select.value;
	alert(old_value);
	removeOptions(location_select);

	var selectedIndex = null;

	/** filter counties **/
	var imax = locations_data.length;
	var c=location_select.options.length;
	for(var i=0; i < imax; i++)
	{
		var row = locations_data[i];
		if (row['region_id'] != region_id) continue;
		location_select.options[c] = new Option(row.county_name, row.county_id);
		if (row.county_id == old_value) selectedIndex = c;
		c++;
	}

	if (selectedIndex) location_select.selectedIndex = selectedIndex;


}


function filterRegionsSelect(country_id)
{


	var region_select = document.getElementById("region_id");

	var old_value = region_select.value;
	var selectedIndex = null;


	removeOptions(region_select);

	/** filter regions **/
	var imax = regions_data.length;
	var c=region_select.options.length;
	for(var i=0; i < imax; i++)
	{
		var row = regions_data[i];
		if (row['country_id'] != country_id) continue;
		region_select.options[c] = new Option(row.region_name, row.region_id);
		if (row.region_id == old_value) selectedIndex = c;
		c++;
	}


	if (selectedIndex) region_select.selectedIndex=selectedIndex;
}