function gid(id){
	return document.getElementById(id);
	
//	var d=document;
//	if(d.getElementById){return d.getElementById(id);}
//	else if(d.all){return d.all[id];}
//	else if(d.layers){return d.layers[id];}
//	return null;
	
}


function gids(id){ var elem = gid(id); if (elem != undefined) return elem.style; else return null; }


function oElemOk(elemStyle) {
	elemStyle.color="darkblue";
	elemStyle.backgroundColor="#ffffe0";
}
function elemOk(id) { oElemOk(gids(id)); }


function oElemFail( elemStyle ) {
	elemStyle.color="black";
	elemStyle.backgroundColor="#ffa0a0";
}
function elemFail( id ) { oElemFail(gids(id)); }


function oElemWait( elemStyle ) {
	elemStyle.color="green";
	elemStyle.backgroundColor="#e0e0e0";
}
function elemWait( id ) { oElemWait(gids(id)); }


function oElemNorm(elemStyle) {
	elemStyle.color="black";
	elemStyle.backgroundColor="#ffffff";
}
function elemNorm( id ) { oElemNorm(gids(id)); }


function scoo(n,v,d) { 
	t=new Date();e=new Date();if(d==null||d==0){d=1;};e.setTime(t.getTime()+3600000*24*d); 
	document.cookie=n+"="+escape(v)+";expires="+e.toGMTString()+";path=/"; 
} 
function gcoo(n){ 
	c=" "+document.cookie;s=" "+n+"=";st=null;o=0;e=0; 
	if(c.length>0){ o=c.indexOf(s); if(o!=-1){o+=s.length;e=c.indexOf(";",o); 
	if(e==-1){e=c.length;};st=unescape(c.substring(o,e));} } 
	return st; 
}

function tag( xml, tag ) {
	return xml.responseXML.getElementsByTagName(tag)[0];
}
function tag_value( xml, tag ) {
try{
	if (document.all){return xml.responseXML.getElementsByTagName(tag)[0].text;}
	else{ return xml.responseXML.getElementsByTagName(tag)[0].textContent; }
}catch(e){ return "";}
}
function tag_text( val ) {
try{
	if (document.all){return val[0].text;}
	else{ return val[0].textContent; }
}catch(e){ return "";}
}

function AJAX() {
    this._call = Math.random();
    this._method = "GET";
    this._vars = null;
    if(window.XMLHttpRequest) { // Mozilla, Safari, etc.
        this._request = new XMLHttpRequest();
    } else if (window.ActiveXObject) { // IE
        try {
            this._request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                this._request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {
                alert('Failed to create');
            }
        }
    }

    this.urlEncodeData=function(){
		var query=[];
		if(this._vars==null){
			return null;
		}
		if(this._vars instanceof Object){
			for(var k in this._vars){
				query.push(encodeURIComponent(k)+"="+encodeURIComponent(this._vars[k]));
			}
			return query.join('&');
		}else{
			return encodeURIComponent(this._vars);
		}
    }
};
AJAX.prototype.execute = function(url,parser) {
    var xml = this._request;
    this._call++;
    xml.open(this._method, url, true);
    this._method=this._method.toUpperCase();
    if(this._method=='GET'){
		xml.setRequestHeader('Content-Type','text/xml');
    }else if(this._method=='POST'){
		xml.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
    }
    xml.setRequestHeader('X_REQUESTED_WITH', 'XMLHttpRequest');
    var readystate = function() {
        try {
            if ((xml.readyState == 4) && (xml.status == 200)) {
                parser(xml); xml.onreadystatechange = function(){}; xml=null;
            }
        } catch(e) {};
    };
    this._request.onreadystatechange = readystate;
    this._request.send(this.urlEncodeData());
};
AJAX.prototype.get = function(url,parser) {
    var xml = this._request;
    this._call ++;
    xml.open(this._method, url, true);
    xml.setRequestHeader('Content-Type', 'text/html');
    xml.setRequestHeader('X_REQUESTED_WITH', 'XMLHttpRequest');
    var readystate = function() {
        try {
            if ((xml.readyState == 4) && (xml.status == 200) ) {
                parser(xml); xml.onreadystatechange = function(){}; xml=null;
            }
        } catch(e) {};
    };
    this._request.onreadystatechange = readystate;
    this._request.send(this._vars);
};

function htmlget(url,divname, callback){
	var req=new AJAX();
	req.get(url,function(t){try{gid(divname).innerHTML=t.responseText; if (callback != undefined) callback();}catch(e){gid(divname).innerHTML=e;}});
}
function cancel_popunder() {
	gid("popunder").style.display="none"; 
	gid("bk").style.display="none";
}

function close_panel(id) {
	var panel = gid(id);
	var bk_panel = gid("bk_" + id);
	
	if (panel != undefined)
		panel.style.display="none"; 
		
	if (bk_panel != undefined) 
		bk_panel.style.display="none";
}


function reduce_param( form ) {
	form.style.display = "none";
	for ( i = 0; i < form.length; ) {
		if ( form.elements[ i ].name != "" 
			&& ( form.elements[ i ].name == "pg" || form.elements[ i ].value == "" ) ) {
			try {
				var el = form.elements[ i ];			
				el.parentNode.removeChild( el );
				i --;
			} catch( e ) {
				alert( e );
			}
		}
		i ++;
	}
	return true;
}

function switchNarrow() {
	el = gid('narrowbyprice');
	if( el.style.display == 'none' ) el.style.display='block';
	else el.style.display='none';
};

function roundTo(inputNum, precision){
	var guide = Math.pow(10, precision);
	var inputnum = ( Math.round( inputNum * guide) / guide );
	var numString = inputNum.toString() + "";
	if ( numString.search(/\./) < 0 ) {
		numString += ".";	
		for ( var j =0; j<precision; j++ ) numString += "0";
	}
	var afterDecimal = numString.substring(numString.search(/\./) + 1);
	if ( afterDecimal.length > precision ) {
		return numString.substring( 0, numString.search(/\./) + 1 + precision )
	}
	while (afterDecimal.length < precision) {
		afterDecimal += "0"; numString += "0";
	}
	return (numString);
};

var thumbnailviewer = {
	enableTitle: true, //Should "title" attribute of link be used as description?
	enableAnimation: true, //Enable fading animation?
	//Define HTML for footer interface
	definefooter: '<div class="footerbar">CLOSE <big>&times;</big></div>', 
	//Define HTML for "loading" div
	defineLoading: '<img src="/static/loading.gif" /> Loading Image...', 

/////////////No need to edit beyond here/////////////////////////
	scrollbarwidth: 16,
	opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1',
	targetlinks:[], //Array to hold links with rel="thumbnail"

createthumbBox:function(){
	//write out HTML for Image Thumbnail Viewer plus loading div
	document.write('<div style="visibility: hidden"  id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>');
	document.write('<div style="visibility: hidden" id="thumbLoading">'+this.defineLoading+'</div>');
	this.thumbBox=document.getElementById("thumbBox");
	//Reference div that holds the shown image
	this.thumbImage=document.getElementById("thumbImage"); 
	//Reference "loading" div that will be shown while image is fetched
	this.thumbLoading=document.getElementById("thumbLoading");
	//create reference to common "body" across doctypes 
	this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body; 
},

centerDiv:function(divobj){ //Centers a div element on the page
	var ie=document.all && !window.opera;
	var dom=document.getElementById;
	var scroll_top=(ie)? this.standardbody.scrollTop : window.pageYOffset;
	var scroll_left=(ie)? this.standardbody.scrollLeft : window.pageXOffset;
	var docwidth=(ie)? this.standardbody.clientWidth : window.innerWidth-this.scrollbarwidth;
	var docheight=(ie)? this.standardbody.clientHeight: window.innerHeight;
	var docheightcomplete=(this.standardbody.offsetHeight>this.standardbody.scrollHeight)? 
		this.standardbody.offsetHeight : this.standardbody.scrollHeight; //Full scroll height of document
	var objwidth=divobj.offsetWidth; //width of div element
	var objheight=divobj.offsetHeight; //height of div element
	var topposition=(docheight>objheight)? scroll_top+docheight/2-objheight/2+"px" : scroll_top+ 10+"px"; //Vertical position of div element: Either centered, or if element height larger than viewpoint height, 10px from top of viewpoint
	divobj.style.left=docwidth/2-objwidth/2+"px"; //Center div element horizontally
	divobj.style.top=Math.floor(parseInt(topposition))+"px";
	divobj.style.visibility="visible";
},

showthumbBox:function(){ //Show ThumbBox div
	this.centerDiv(this.thumbBox);
	if (this.enableAnimation){ //If fading animation enabled
		this.currentopacity=0.1; //Starting opacity value
		this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20);
	};
},

loadimage:function(link){ 
	// Load image function that gets attached to each link on the page with rel="thumbnail"
	if (this.thumbBox.style.visibility=="visible"); //if thumbox is visible on the page already
	this.closeit(); //Hide it first (not doing so causes triggers some positioning bug in Firefox
	// Construct HTML for shown image
	var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />'; 
	
	//if (this.enableTitle && link.getAttribute("title")) 
	//Use title attr of the link as description?
	//imageHTML+='<br />'+link.getAttribute("title")
	this.centerDiv(this.thumbLoading); 
	//Center and display "loading" div while we set up the image to be shown
	this.thumbImage.innerHTML=imageHTML; 
	//Populate thumbImage div with shown image's HTML (while still hidden)
	this.featureImage=this.thumbImage.getElementsByTagName("img")[0]; 
	//Reference shown image itself
	
	this.featureImage.onload=function(){ //When target image has completely loaded
		thumbnailviewer.thumbLoading.style.visibility="hidden"; //Hide "loading" div
		thumbnailviewer.showthumbBox(); //Display "thumbbox" div to the world!
	}
	if (document.all && !window.createPopup) 
		// Target IE5.0 browsers only. Address IE image cache not 
		// firing onload bug: panoramio.com/blog/onload-event/
		this.featureImage.src=link.getAttribute("href");
		
	this.featureImage.onerror=function(){ 
		//If an error has occurred while loading the image to show
		//Hide "loading" div, game over
		thumbnailviewer.thumbLoading.style.visibility="hidden"; 
	}
},

setimgopacity:function(value){ 
	// Sets the opacity of "thumbimage" div per the passed 
	// in value setting (0 to 1 and in between)
	var targetobject=this.featureImage
	if (targetobject.filters && targetobject.filters[0]){ //IE syntax
		if (typeof targetobject.filters[0].opacity=="number") //IE6
			targetobject.filters[0].opacity=value*100;
		else //IE 5.5
			targetobject.style.filter="alpha(opacity="+value*100+")";
	} else if (typeof targetobject.style.MozOpacity!="undefined") //Old Mozilla syntax
		targetobject.style.MozOpacity=value;
	else if (typeof targetobject.style.opacity!="undefined") //Standard opacity syntax
		targetobject.style.opacity=value;
	else //Non of the above, stop opacity animation
		this.stopanimation();
},

opacityanimation:function(){ //Gradually increase opacity function
	this.setimgopacity(this.currentopacity);
	this.currentopacity+=0.1;
	if (this.currentopacity>1) this.stopanimation();
},

stopanimation:function(){
	if (typeof this.opacitytimer!="undefined") clearInterval(this.opacitytimer);
},

closeit:function(){ //Close "thumbbox" div function
	this.stopanimation();
	this.thumbBox.style.visibility="hidden";
	this.thumbImage.innerHTML="";
	this.thumbBox.style.left="-2000px";
	this.thumbBox.style.top="-2000px";
},

cleanup:function(){ //Clean up routine on page unload
	this.thumbLoading=null;
	if (this.featureImage) this.featureImage.onload=null;
	this.featureImage=null;
	this.thumbImage=null;
	for (var i=0; i<this.targetlinks.length; i++) this.targetlinks[i].onclick=null;
	this.thumbBox=null;
},

dotask:function(target, functionref, tasktype){ 
	//assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype;
	if (target.addEventListener) target.addEventListener(tasktype, functionref, false);
	else if (target.attachEvent) target.attachEvent(tasktype, functionref);
},

init:function(){ //Initialize thumbnail viewer script by scanning page and attaching appropriate function to links with rel="thumbnail"
	if (!this.enableAnimation) this.opacitystring="";

	var pagelinks=document.getElementsByTagName("a");
	for (var i=0; i<pagelinks.length; i++){ //BEGIN FOR LOOP
	if (pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){ 
		// Begin if statement
		pagelinks[i].onclick=function(){
		//Stop any currently running fade animation on "thumbbox" div before proceeding
			thumbnailviewer.stopanimation(); 
			thumbnailviewer.loadimage(this); //Load image
			return false;
		}
		this.targetlinks[this.targetlinks.length]=pagelinks[i]; //store reference to target link
	} //end if statement

	} //END FOR LOOP

	//Reposition "thumbbox" div when page is resized
	this.dotask(window, function(){
		if (thumbnailviewer.thumbBox.style.visibility=="visible") 
			thumbnailviewer.centerDiv(thumbnailviewer.thumbBox);
		}, "resize");
} //END init() function

}

thumbnailviewer.createthumbBox(); //Output HTML for the image thumbnail viewer
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load"); //Initialize script on page load
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload");

function Deselect( pref, todo ) {
	for( i=0; i<20; i++ ) {
		if( gid( pref+i ) ) {
			if( todo ) gid( pref+i ).checked = true;
			else gid( pref+i ).checked = false;
		}
	}
}

function CheckAll( container, todo ) {
	inpts = gid( container ).getElementsByTagName( 'INPUT' );
	for( i=0; i<inpts.length; i++ ) {
		if( inpts[i].type == 'checkbox' ) {
		    if( todo ) inpts[i].checked = true;
    		else inpts[i].checked = false;
		}
	}
}
/**
* Function : dbg()
* Arguments: The data - array,hash(associative array),object
*    The level - OPTIONAL
* Returns  : The textual representation of the array.
* This function was inspired by the print_r function of PHP.
* This will accept some data as the argument and return a
* text that will be a more readable version of the
* array/hash/object that is given.
*/
function dbg(arr,level) {
var dumped_text = "";
if(!level) level = 0;

//The padding given at the beginning of the line.
var level_padding = "";
for(var j=0;j<level+1;j++) level_padding += "    ";

if(typeof(arr) == 'object') { //Array/Hashes/Objects
 for(var item in arr) {
  var value = arr[item];
 
  if(typeof(value) == 'object') { //If it is an array,
   dumped_text += level_padding + "'" + item + "' ...\n";
   dumped_text += dump(value,level+1);
  } else {
   dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
  }
 }
} else { //Stings/Chars/Numbers etc.
 dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
}
return dumped_text;
} 

function getY( oElement )
{
	var iReturnValue = 0;
	while( oElement != null ) {
		iReturnValue += oElement.offsetTop;
		oElement = oElement.offsetParent;
	}
	return iReturnValue;
}

function getX(oElement) {
    var iReturnValue = 0;
    while (oElement != null) {
        iReturnValue += (oElement.offsetLeft - document.body.parentNode.scrollLeft);
        oElement = oElement.offsetParent;
    }
    return iReturnValue;
}

function getPrevSibling(n)
{
	try {
		x=n.previousSibling;
		if (x == undefined) return null;
		while (x.nodeType!=1)
		{
			x=x.previousSibling;
		}
		return x;
	} catch (err) 
	{
		return null;
	}
}
function getNextSibling(n)
{
	try {
		x=n.nextSibling;
		if (x == undefined) return null;
		while (x.nodeType!=1)
		{
			x=x.nextSibling;
		}
		return x;
	} catch (err) 
	{
		return null;
	}
}

function show(panel_id, callback)
{
	var panel = gid(panel_id);
	if (panel != undefined) panel.style.display = "";
	
	if (callback != undefined) callback();
	
}
function hide(panel_id, callback)
{
	var panel = gid(panel_id);
	if (panel != undefined) panel.style.display = "none";
	
	if (callback != undefined) callback();
	
}
function empty(id)
{
	gid(id).innerHTML = '';
}

function attr(attr_name, elem)
{
	return elem.getAttribute(attr_name);
}

function selectedValue(id)
{
	var select = gid(id);
	if (select != undefined)
	{
		var option = select.options[select.selectedIndex];		
		if (option != undefined) return option.value;
	}
	return null;
}
