//functions
var ssub = null;
var sst = 't0';
var dH=false;

function showSub(arg){
		var mN = arg.id+'_sub';
		var el = document.getElementById(mN)
		
		if(el.className != 'sub') 
			{
				if(ssub != null) document.getElementById(ssub).className +='_off';
				ssub = mN;
				el.className='sub'
			}
				else {
						el.className+='_off';
						ssub = null;
					}
	}
	
	function hideShow(arg){
		var mS = arg;
		var mF = document.getElementById('mF');
		mS.className+='_off'
		mF.className='menu'
		
	}
	function sD(arg){
		var dA = document.getElementById('desc')
		if(arg != null) 
				dA.innerHTML = arg.alt;
			 else if(!dH) dA.innerHTML=''
	}
	function shI(area,arg){
		dH = false;
		var A = new Array();
		A[0] = document.getElementById('pPics');
		A[1] = document.getElementById('pAr');
		A[2] = document.getElementById('dAr');

		var pImg = document.getElementById('pImg');
		var dA = document.getElementById('desc');
		for(var i=0;i<=2;i++) A[i].style.display = 'none';
		
		switch (area){
			case 0:
			if(arg == null)
				{
				dA.innerHTML='';
				}
					else if(arg.className != 'di'){
						var dArSw = document.getElementById('dArSw');
						arg.className = 'di';
						dArSw.className = 'topM';
					}
				break;
			case 1:
				dH=true;
				pImg.src = 'i/' + arg.id + '_b.jpg';
				break;
			case 2:
				if(arg.className != 'di'){
						var pPicsSw = document.getElementById('pPicsSw');
						arg.className = 'di';
						pPicsSw.className = 'topM';
						dA.innerHTML = '';
					}
				break;
		}
		
				A[area].style.display = 'block';
	
	}
	
	function shS(arg){
	var mN = 's'+arg.id;
		if(arg.className != 'di' && document.getElementById(mN) != null){
				document.getElementById('s'+sst).style.display = 'none';
				document.getElementById(sst).className = 'topM';
				document.getElementById(mN).style.display = 'block';
				arg.className = 'di';
				sst = arg.id;
		
		}
		
	}