// ======================== GLOBAL VARIABLES =======================
// main categories
var adm_id = '0';	// aktualnie rozwinieta kategoria
var odm_id = '0';	// poprzednio rozwinieta kategoria
// subcategories
var ads_id = '0';	// aktualnie rozwinieta podkategoria
var ods_id = '0';	// poprzednio rozwinieta podkategoria 

// typ: 0 = zwinieta, 1 = rozwinieta
var adm_type = '0'; 
var odm_type = '0';
var ads_type = '0';
var ods_type = '0';
//==================================================================

	function afterLoaded()
	{
		new OpacityObject('newsback1' ,'images/newsback' ).setBackground(); 
		new OpacityObject('newsback2' ,'images/newsback' ).setBackground();		
	}
	
	
	
	function showHideWrapper(divId, imgName)	
	{			
		odm_id = adm_id;
		odm_type = adm_type;
		if(imgName == 'imgmain') adm_id = divId;
						
		if(odm_id != adm_id)
		{
			if(odm_type == '1')
			{
				$(odm_id).style.display = 'none';
				$('img'+odm_id).src = './images/'+imgName+'_up.jpg';	
			}
			
			if(ods_type == '1')
			{
				$(ods_id).style.display = 'none';
				$('img'+ods_id).src = './images/'+imgName+'_up.jpg';	
			}
		}
		else
		{
			if((adm_type == '0') && (ods_type == '1'))
			{
				$(ods_id).style.display = 'none';
				$('img'+ods_id).src = './images/'+imgName+'_up.jpg';		
			}
		}
		
		ods_id = ads_id;
		ods_type = ads_type;
		if(imgName == 'imgsub') ads_id = divId;
						
		if(ods_id != ads_id)
		{
			if(ods_type == '1')
			{
				$(ods_id).style.display = 'none';
				$('img'+ods_id).src = './images/'+imgName+'_up.jpg';	
			}
		}
		
		var divElem = $(divId);
		var imgElem = $('img'+divId);
		
		if(divElem.innerHTML != '')
		{		
			if(divElem.style.display == 'block')
			{
				divElem.style.display = 'none';
				imgElem.src = './images/'+imgName+'_up.jpg';
				
				if(imgName == 'imgmain') adm_type = '0';			
				if(imgName == 'imgsub')  ads_type = '0';			
			}
			else
			{
				divElem.style.display = 'block';			
				imgElem.src = './images/'+imgName+'_down.jpg';
				
				if(imgName == 'imgmain') adm_type = '1';			
				if(imgName == 'imgsub')  ads_type = '1';			
			}
		}					
	}
	
	
	function showPointer()
	{
		document.body.style.cursor='pointer';
	}
	
	
	function hidePointer()
	{
		document.body.style.cursor='default';
	}
	
	
	
	function previewWindow(oEvent, offerId, offerName, offerShort, shortImg1, shortImg2)
	{		
		var browserWidth;
		var browserHeight;		
		var browserOffsetTop = document.documentElement.scrollTop;		
		
		var previewDiv    = $('preview');
		var previewWidth  = '300';
		var previewHeight = '300';
		
		if (typeof window.event != "undefined")
        {
        	if(event.pageY)
            {
            	//alert('OPERA');
            	browserWidth  = document.body.clientWidth;
            	browserHeight = document.body.clientHeight;            	
            }
            else
            {
            	//alert('IE');
            	browserWidth  = document.documentElement.clientWidth;
            	browserHeight = document.documentElement.clientHeight;            	
            }
        }
        else if (typeof oEvent != "undefined")
        {
        	//alert('FF');
        	browserWidth  = document.documentElement.clientWidth;
            browserHeight = document.documentElement.clientHeight;            	
        }
                
        var posTop  = parseInt(browserHeight/2) - parseInt(previewHeight/2) + parseInt(browserOffsetTop);
        var posLeft = parseInt(browserWidth/2) - parseInt(previewWidth/2);
        
        
        previewDiv.style.width  = previewWidth+'px';
        //previewDiv.style.height = previewHeight+'px';
        previewDiv.style.top  = posTop+'px';
        previewDiv.style.left = posLeft+'px';
        previewDiv.style.display = 'block';
        previewDiv.innerHTML = 	'<div id=\"previewTitle\">'+offerName+'</div>'+
        						'<div style=\"float: right;\" onclick=\"closePreview();\" onmouseover=\"showPointer();\" onmouseout=\"hidePointer();\"><img src=\"./images/close.gif\" title=\"Zamknij\"></div>'+
        						'<br class=\"clear\">'+
        						'<br />'+
        						'<div id="previewContent">'+
        						''+offerShort+'<br /><br />'+        						
        						'</div>'+
        						'<div id=\"s_images\" style=\"text-align: center;"><img id=\"s_img1\" src=\"./upload/image.php?filename='+shortImg1+'&width=145&height=107\" />&nbsp;&nbsp;<img id=\"s_img2\" src=\"./upload/image.php?filename='+shortImg2+'&width=145&height=107\" /></div>'+
        						'<br />'+
        						'<div id=\"previewFooter\"><a href=\"index.php?mod=offer&amp;id='+offerId+'\">+ <span style=\"color: #E70000;\">zobacz</span> wi&#281;cej</a></div>';
		
		if(shortImg1 == '' && shortImg2 == '') { $('s_images').style.display = 'none'; }
		if(shortImg1 == '') { $('s_img1').style.display = 'none'; }
		if(shortImg2 == '') { $('s_img2').style.display = 'none'; }
	}
	
	function closePreview()
	{
		var previewDiv = $('preview');
		previewDiv.style.display = 'none';
	}