var tId = 0;

function showFeatures(id) {

	if(id) tId = id;
	
	if(tId != 20) {
		
		if(document.getElementById("info" + tId).style.display == "none") {
			
			//document.getElementById("info" + tId).style.display = "block";
			Effect.toggle("info" + tId, 'Slide', {duration:0.3});
			document.getElementById("pInfo" + tId).src = "assets/but_up.gif";
			
			eraseCookie("infoDL"+tId); 
		
		} else {
			
			//document.getElementById("info" + tId).style.display = "none";
			Effect.toggle("info" + tId, 'Slide', {duration:0.3});
			document.getElementById("pInfo" + tId).src = "assets/but_down.gif";
			createCookie(tId);
		}
	
	} else {
		
		document.getElementById('apDiv2').style.visibility = 'hidden';
		createCookie(tId);
	}

}

function createCookie(nr) {
	var date = new Date();
	date.setTime(date.getTime()+(24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	
	name = "infoDL"+nr;
	document.cookie = name+"=1"+expires+"; path=/";
	//alert(name+" created!");
	
}


function eraseCookie(name) {
	var value = "";
	var date = new Date();
	date.setTime(date.getTime()+(-1*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	document.cookie = name+"="+value+expires+"; path=/";
	
	//alert(name+" erased!");
}

function checkSavedCookies(){
		
	var promo = true;
	for(var j = 1; j <= 20; j++){
		if(document.cookie.indexOf('infoDL'+j+'=') != -1){
   	 	var nameEQ = "infoDL"+j+"=";
			var ca = document.cookie.split(';');
			for(var i=0;i < ca.length;i++) {
				var c = ca[i];
				while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0 && c.substring(nameEQ.length,c.length) != 0) {
					
					if(c.substring(nameEQ.length,c.length) == 1){
						//alert("ok");
						if(document.getElementById("info" + j)){
						document.getElementById("info" + j).style.display = "none";
						document.getElementById("pInfo" + j).src = "assets/but_down.gif";
						}
						
						if(j==20){
							promo = false;
						}
						
					}
				
				}
					//alert(c.substring(nameEQ.length,c.length)); 
					//return c.substring(nameEQ.length,c.length);
			}
		
		}
	
	}
	
	if(promo && document.getElementById('apDiv2')) document.getElementById('apDiv2').style.visibility = 'visible';
}