//TODO get last 10 image stuff with AJAX
//TODO make comments entry appear in thickbox

function TB_show(caption, url, imageGroup) {//function called when the user clicks on a thickbox link

	try 
	{
		if (document.getElementById("TB_HideSelect") == null) {
			$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
			$("#TB_overlay").click(TB_remove);
		}
		
		if(caption==null){caption=""};
		
		$(window).scroll(TB_position);
 		
		TB_overlaySize();
		
		$("body").append("<div id='TB_load'><img src='" + loadingGif + "' /></div>");

		TB_load_position();
		
		var queryString = url.replace(/^[^\?]+\??/,'');
		var params = TB_parseQuery( queryString );
		
		TB_WIDTH = (params['width']*1) + 30;
		TB_HEIGHT = (params['height']*1) + 40;
		ajaxContentW = TB_WIDTH - 30;
		ajaxContentH = TB_HEIGHT - 45;

		$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'><img src='"+closeGif+"'/></a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");
				
		$("#TB_closeWindowButton").click(TB_remove);
		
		if(url.indexOf('TB_inline') != -1)
		{	
			$("#TB_ajaxContent").html(eval(params['stringId']));
			TB_position();
			$("#TB_load").remove();
			$("#TB_window").css({display:"block"}); 
		}
		else
		{
			$("#TB_ajaxContent").load(url, function(){
				TB_position();
				$("#TB_load").remove();
				$("#TB_window").css({display:"block"}); 
			});
		}


		$(window).resize(TB_position);
		
	} catch(e) {
		alert( e );
	}
}

//helper functions below

function TB_remove() {
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').remove();});
	$("#TB_load").remove();
	$(document).unkeyup();
	boOverlayOn = false;
	return false;
}

function TB_position() {
	var pagesize = TB_getPageSize();	
	var arrayPageScroll = TB_getPageScrollTop();
	
	$("#TB_window").css({width:TB_WIDTH+"px",left: ((pagesize[0] - TB_WIDTH)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-TB_HEIGHT)/2))+"px" });
	TB_overlaySize();
}

function TB_overlaySize(){
	if (window.innerHeight && window.scrollMaxY) {	
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		yScroll = document.body.offsetHeight;
  	}
	$("#TB_overlay").css("height",yScroll +"px");
	$("#TB_HideSelect").css("height",yScroll +"px");
}

function TB_load_position() {
	var pagesize = TB_getPageSize();
	var arrayPageScroll = TB_getPageScrollTop();

	$("#TB_load")
	.css({left: ((pagesize[0] - 100)/2)+"px", top: (arrayPageScroll[1] + ((pagesize[1]-100)/2))+"px" })
	.css({display:"block"});
}

function TB_parseQuery ( query ) {
   var Params = new Object ();
   if ( ! query ) return Params; // return empty object
   var Pairs = query.split(/[;&]/);
   for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) continue;
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function TB_getPageScrollTop(){
	var yScrolltop;
	if (self.pageYOffset) {
		yScrolltop = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScrolltop = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScrolltop = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',yScrolltop) 
	return arrayPageScroll;
}

function TB_getPageSize(){
	var de = document.documentElement;
	var w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
	
	arrayPageSize = new Array(w,h) 
	return arrayPageSize;
}

function TB_strpos(str, ch) {
for (var i = 0; i < str.length; i++)
if (str.substring(i, i+1) == ch) return i;
return -1;
}