var rateStars = new Array();
var starOver = new Array();


function fillRateArrays(shop, rn){
	starOver[shop]=new Array();
	rateStars[shop]=new Array();
	rnp=rn.split(',');

	
	for(i=0;i<rnp.length;i++){
		for(j=1;j<=5;j++){
			starOver[shop][rnp[i]]=new Array();
			rateStars[shop][rnp[i]]=new Array();
			starOver[shop][rnp[i]][j]=0;
			rateStars[shop][rnp[i]][j]='';
		}
	}
}

function chkSearch4Enter(ev) {
	var key;
	ev = ev || event;
	key = ev.keyCode;
	if (key == 13) {
		$('search').submit(); 
		return false;
	}
}

function checkFieldEmpty(el, msg){
	if($(el).value==''){
		alert(msg);
		return false;
	}else{
		return true;
	}
}

function checkArticleComments(msg_text, msg_captcha){
	if($('article_comment').value==''){
		alert(msg_text);
		return false;
	}else if($('article_captcha').value==''){
		alert(msg_captcha);
		return false;
	}else{
		return true;
	}
}



function overStar(shop,r,n,im){
	if (starOver[shop][r][n]==1) return;
	starOver[shop][r][n]=1;
	for(i=1;i<=5;i++){
		rateStars[shop][r][i]=$('rateStar_'+i+'_'+shop+'_'+r).src;
		if(i<=n)$('rateStar_'+i+'_'+shop+'_'+r).src=im;
	}
}


function outStar(shop, r){
	for(i=1;i<=5;i++){
		starOver[shop][r][i]=0;
		$('rateStar_'+i+'_'+shop+'_'+r).src=rateStars[shop][r][i];
	}
}

function makeRate(shop, r, n, im,url){
	outStar(shop, r);
	$('starstd_'+r).innerHTML='<img src="'+im+'" width="60" height="12">';
	new Ajax.Request(url, {
	  method: 'post',
	  parameters: {'shop': shop, 'r': r, 'n': n},
	  onSuccess: function(transport) {
		  var answer=transport.responseText.evalJSON();
		  $('starstd_'+answer.r).innerHTML=answer.stars;
		  $('cnttd_'+answer.r).innerHTML=answer.cnt;
	  }
	});
	
}








//-------------------------------------------------------------------
//Image Thumbnail Viewer Script- By Dynamic Drive, available at: http://www.dynamicdrive.com
//Last updated: Jan 22nd, 2007
//-------------------------------------------------------------------

var thumbnailviewer={
enableTitle: true, //Should "title" attribute of link be used as description?
enableAnimation: false, //Enable fading animation?
definefooter: '', //Define HTML for footer interface
defineLoading: '<img src="/images/loading.gif" /> Loading image...', //Define HTML for "loading" div

/////////////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 id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>')
document.write('<div id="thumbLoading">'+this.defineLoading+'</div>')
this.thumbBox=document.getElementById("thumbBox")
this.thumbImage=document.getElementById("thumbImage") //Reference div that holds the shown image
this.thumbLoading=document.getElementById("thumbLoading") //Reference "loading" div that will be shown while image is fetched
this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
},


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
var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />' //Construct HTML for shown image
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
thumbnailviewer.thumbLoading.style.visibility="hidden" //Hide "loading" div, game over
}
},

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(){
thumbnailviewer.stopanimation() //Stop any currently running fade animation on "thumbbox" div before proceeding
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 IsImageOk(img) {
	// During the onload event, IE correctly identifies	any images that
	// weren’t downloaded as not complete. Others should too. Gecko-based
	// browsers act like NS4 in that they report this incorrectly.
	if (!img.complete) {
		return false;
	}
	// However, they do have two very useful properties:	naturalWidth and
	// naturalHeight. These give the true size of the image. If it failed
	// to load, either of these should be zero.
	if (typeof img.naturalWidth	!= 'undefined' && img.naturalWidth == 0) {
		return false;
	}
	// No other way of checking: assume it’s ok.
return true;
}
	
//Call this function onLoad of body tag

function checkImages() {
	for (var i = 0; i < document.images.length; i++) {
		if (!IsImageOk(document.images[i])) {
		document.images[i].src = WebRoot + 'files/images/no_picture.gif';
		}
	}
}


Event.observe(window, 'load',
	      function() { checkImages() }
);
