function recheck_height(grp)
{
	min_h=0;
	marg=0;
	switch(grp)
	{
		case 'oceanarium': min_h=770; marg=182+46; break;
		case 'marketplace': min_h=770; marg=148+89; break;
		case 'about': min_h=700; marg=167+117; break;
		default: min_h=700; marg=167+117; break;
	}
	if(document.getElementById('content_place'))
	{
		document.getElementById('content_place').style.height=(doc.clientHeight > min_h)?doc.clientHeight-marg+'px':min_h-marg+"px";
		windowResize=function(){
			document.getElementById('content_place').style.height=(doc.clientHeight > min_h)?doc.clientHeight-marg+'px':min_h-marg+"px";
			}
		window.onresize=function(){windowResize()}
	}	
}
function change_pic(url,w,h)
{
	if(url!=cur_img)
	{
		block=document.getElementById('big_fish');
		block.src='/usr/image/common/empty.gif';
		t_img=new Image;
		n_url=url.replace('/usr/image/','/usr/image/convert/custom/416x274/');
		t_img.src=n_url;
		t_img.onload=function()
		{
			block.src=n_url;
			cur_img=url;
		}
		big_img_w=w;
		big_img_h=h;
	}
	return false;
}
function show_hide_menu(mode,step)
{
	if(!document.getElementById('top_place') || !document.getElementById('hide_menu')) return false;
	tOut=20;
	a=0.7;
	block=document.getElementById('top_place');
	m=(mode)?-1:1;
	step=Math.abs(step);
	m_top=(block.style.top)?parseFloat(block.style.top):0;
	if((mode && Math.abs(m_top)<=100-step) || (!mode && Math.abs(m_top)>=step))
	{
		block.style.top=m_top+m*step+'px';
		//if(document.getElementById('page_content')) document.getElementById('page_content').style.paddingTop=100+m_top+m*step+'px';
		if(document.getElementById('bottom_back') && document.getElementById('bottom_back').currentStyle)
		{
			el=document.getElementById('bottom_back');
			el.style.marginTop=100+m_top+m*step;
		}
		step-=m*a;
		bufferTout('show_hide_menu('+mode+','+step+')',tOut);
	}
	else
	{
		block.style.top=(mode)?'-100px':'0px';
		if(document.getElementById('bottom_back') && document.getElementById('bottom_back').currentStyle)
		{
			el.style.marginTop=(mode)?'0px':'100px';
		}
		//if(document.getElementById('page_content')) document.getElementById('page_content').style.paddingTop=(mode)?'0px':'100px';
		document.getElementById('hide_menu').onclick=function(){show_hide_menu(!mode,step)};
	}
}
function menu_focus(block,mode,obj,prefix)
{
	if(mode && (obj.className.search('selected')!=-1 || obj.parentNode.className.search('selected')!=-1) || !block) return false;
	var i=0;
	var defObj;
	for(i=0;i<block.childNodes.length;i++)
	{
		if(block.childNodes[i].className)
		{
			block.childNodes[i].className=block.childNodes[i].className.replace(/(\s?selected)|(\s?subselected)/gi,'');
		}
	}
	if(mode)
	{
		obj.className=obj.className.replace(/(\s?selected)|(\s?subselected)/gi,'')+' selected';
	}
	else
	{
		if(selectedPage[prefix] && selectedPage[prefix]!='page_')
		{
			defObj=document.getElementById(prefix+selectedPage[prefix]);
			defObj.className=defObj.className.replace(/(\s?selected)|(\s?subselected)/gi,'')+' subselected';
		}
	}
}
function select_cat(id)
{
	if(document.getElementById('market_filter'))
	{
		countCat=0;
		for(i in filter_cats)
		{
			filter_cats[i]['selected']=(i==id);
			document.getElementById('group_'+i).className=document.getElementById('group_'+i).className.replace(/\s?selected/gi,'');
			if(i==id) document.getElementById('group_'+i).className+=' selected';
			
			for(j in filter_cats[i])
			{
				if(j!='selected')
				{
					filter_cats[i][j]['checked']=false;
					obj=document.getElementById('cat_'+j);
					obj.className=obj.className.replace(/\s?selected/gi,'');
					obj.parentNode.style.display=(i==id)?"block":"none";
					if(i==id) countCat++;
				}
			}
			
		}
		if(countCat>0)
		{
			document.getElementById('filter_button_1').style.display='block';
			document.getElementById('filter_button_3').style.display='none';
			document.getElementById('filter_button_2').style.display='block';
		}
		else
		{
			document.getElementById('filter_button_1').style.display='none';
			document.getElementById('filter_button_3').style.display='none';
			document.getElementById('filter_button_2').style.display='none';
		}
		if(scrollers.textScr) scrollers.textScr.recheckScroller();
		sort_markets();
		//alert(scrollers.textScr);
	}
}
function check_filter_cat(id)
{
	for(i in filter_cats) if(filter_cats[i]['selected']) cat=i;
	filter_cats[cat][id]['checked']=!filter_cats[cat][id]['checked'];
	for(i in filter_cats[cat])
	{
		if(i!='selected')
		{
			obj=document.getElementById('cat_'+i);
			obj.className=obj.className.replace(/\s?selected/gi,'');
			if(filter_cats[cat][i]['checked']) obj.className+=' selected';
		}
	}
}
function validate_sort()
{
	for(i in filter_cats) if(filter_cats[i]['selected']) cat=i;
	for(i in filter_cats[cat])
	{
		if(i!='selected')
		{
			if(filter_cats[cat][i]['checked'])
			{
				sort_markets();
				return true;
			}
		}
	}
	alert('Выберите категорию.');
}
function sort_markets(allMode)
{
	if(!allMode) allMode=false;
	if(document.getElementById('market_filter'))
	{
		var selcats= new Array;
		for(i in filter_cats) if(filter_cats[i]['selected']) cat=i;
		
		for(i in filter_cats[cat])
		{
			if(allMode && i!='selected')
			{
				filter_cats[cat][i]['checked']=(allMode==1);
				obj=document.getElementById('cat_'+i);
				obj.className=obj.className.replace(/\s?selected/gi,'');
				if(allMode==1) obj.className+=' selected';
			}
			if(i!='selected' && filter_cats[cat][i]['checked']) selcats.push(i);
		}
		var cnt=0;
		for(i in filter_markets)
		{
			marketselected=false;
			for(j in filter_markets[i])
			{	
				for(k in selcats)
				{
					marketselected=(selcats[k]==filter_markets[i][j]);
					if(marketselected)
					{
						cnt++;
						break;
					}
				}
				if(marketselected) break;
			}
			if(document.getElementById('market_'+i)) document.getElementById('market_'+i).style.display = (marketselected)?'block':'none';
			
		}
		if(cnt>0) document.getElementById('filter_cat_list').style.display=(filter_is_shown)?'none':'block';filter_is_shown=!filter_is_shown;
		if(scrollers.textScr) scrollers.textScr.recheckScroller();
	}
}