var tb_pathToImage = "/img/loading.gif";
imgLoader = new Image();
imgLoader.src = tb_pathToImage;



function new_show(title,type,what,width,height){
    var showedwindow=1;
	try {
		//css 已经提出去
		if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
			$("body","html").css({height: "100%", width: "100%"});
			$("html").css("overflow","hidden");
			if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
				$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
			}
		}else{//all others
			if(document.getElementById("TB_overlay") === null){
				$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
			}
		}
		if(tb_detectMacXFF()){
			$("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
		}else{
			$("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
		}
		$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
		$('#TB_load').show();//show loader
		if(type == 'loading'){
			
		}
		else if(type == 'loadingout'){
			tb_remove();
		}
		else if(type == 'img'){//code to show images
			imgPreloader = new Image();
			imgPreloader.onload = function(){		
			imgPreloader.onload = null;
			// Resizing large images - orginal by Christian Montoya edited by me.
			var pagesize = tb_getPageSize();
			var x = pagesize[0] - 150;
			var y = pagesize[1] - 150;
			var imageWidth = imgPreloader.width;
			var imageHeight = imgPreloader.height;
			if(imageWidth>x){imageHeight=imageHeight*(x/imageWidth);imageWidth=x;if(imageHeight>y){imageWidth=imageWidth*(y/imageHeight);imageHeight=y}}else if(imageHeight>y){imageWidth=imageWidth*(y/imageHeight);imageHeight=y;if(imageWidth>x){imageHeight=imageHeight*(x/imageWidth);imageWidth=x}}
			TB_WIDTH = imageWidth + 30;
			TB_HEIGHT = imageHeight + 60;
			$("#TB_window").append("<div id='TB_caption'>"+title+"</div><div id='TB_closeWindow'><a href='javascript:' id='TB_closeWindowButton' title='关闭'>关闭</a></div>" + "<img id='TB_Image' src='"+what+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+title+"'/>"); 		
			$("#TB_closeWindowButton").click(tb_remove);
			tb_position();
			$("#TB_load").remove();
			$("#TB_ImageOff").click(tb_remove);
			$("#TB_window").css({display:"block"}); //for safari using css instead of show
			};
			imgPreloader.src = what;
		}else{// html
			TB_WIDTH = (width*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
			TB_HEIGHT = (height*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
			ajaxContentW = TB_WIDTH - 30;
			ajaxContentH = TB_HEIGHT - 45;
			if(type == 'frame'){ //no modal
				$("#TB_iframeContent").remove();
				$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+title+"</div><div id='TB_closeAjaxWindow'><a href='javascript:' id='TB_closeWindowButton' title='关闭'>关闭</a></div></div><iframe frameborder='0' hspace='0' src='"+what+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 22)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
			}
			else if(type == 'frame_modal'){
				$("#TB_iframeContent").remove();
				$("#TB_overlay").unbind();
				$("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+what+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 22)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
			}
			else{// html, ajax
				if($("#TB_window").css("display") != "block"){
					if(type == 'html' || type == 'ajax'){ //ajax no modal
						$("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+title+"</div><div id='TB_closeAjaxWindow'><a href='javascript:' id='TB_closeWindowButton'>关闭</a></div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:auto;'></div>");//"+ajaxContentH+"px
					}else if(type == 'html_modal' || type == 'ajax_modal'){//ajax modal
						$("#TB_overlay").unbind();
						$("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");	
					}
                    //$("#TB_window").css({top:"10%"});
                    
				}else{//this means the window is already up, we are just loading new content via ajax
					$("#TB_ajaxContent")[0].style.width = "auto";//ajaxContentW +"px";
					$("#TB_ajaxContent")[0].style.height = "auto";//ajaxContentH +"px";
					$("#TB_ajaxContent")[0].scrollTop = 0;
					$("#TB_ajaxWindowTitle").html(title);
				}
			}
			$("#TB_closeWindowButton").click(tb_remove);
			if(type == 'frame' || type == 'frame_modal'){
				tb_position();
				if($.browser.safari){//safari needs help because it will not fire iframe onload
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"});
				}
			}
			else if(type == 'ajax' || type == 'ajax_modal'){
				id = what.indexOf('?');
				if(id >= 0){
					if(id == (what.length-1))what = what +"time_random="+ new Date().getTime();
					else what = what +"&time_random="+ new Date().getTime();
				}else{
					what = what +"?time_random="+ new Date().getTime();
				}
				$("#TB_ajaxContent").load(what,function(){//to do a post change this load method
					tb_position();
					$("#TB_load").remove();
					$("#TB_window").css({display:"block"});
				});
			}
			else if(type == 'html' || type == 'html_modal'){
				tb_position();
				$("#TB_load").remove();
				$("#TB_ajaxContent").html(what);
				$("#TB_window").css({display:"block"});
			}
		}
        //$("#TB_closeWindowButton").focus();
	} catch(e) {}
}

function tb_showIframe(){
	$("#TB_load").remove();
	$("#TB_window").css({display:"block"});
}

function tb_remove() {
 	$("#TB_imageOff").unbind("click");
	$("#TB_closeWindowButton").unbind("click");
	$("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
	$("#TB_load").remove();
	if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
	document.onkeydown = "";
	document.onkeyup = "";
	return false;
}

function tb_position() {
    $("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
	if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
    //此处定位需重新处理
        var hxxx = ($(window).height()-$("#TB_window").height())/2; 
        $("#TB_window").css({top:parseInt(hxxx,10) + 'px'});   
		//$("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
	}
}

//$(window).ready(function(){$(window).scroll(function() {if(typeof(showedwindow)!='undefined') tb_position();}); }); 

function tb_parseQuery ( query ) {
   var Params = {};
   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_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 = [w,h];
	return arrayPageSize;
}

function tb_detectMacXFF() {
  var userAgent = navigator.userAgent.toLowerCase();
  if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
    return true;
  }
}