/**
 * @author fabio.bonetti
 */

	var selectedCategory;
	
	function prodType(cat) {
		if (selectedCategory) { 
			document.getElementById('cat_' + selectedCategory).style.display = 'none'; 
			document.getElementById('nav_' + selectedCategory).className = '';
		}
		selectedCategory = cat;
		document.getElementById('cat_' + selectedCategory).style.display = 'block';
		document.getElementById('nav_' + selectedCategory).className = 'chosen';
		document.cookie = "selectedCat=" + selectedCategory;
		if (document.getElementById("info")) { 
			document.getElementById("info").style.display = "none";
		}
	}
	
	function focusCategory(){
		if (document.cookie != "") {
			var thisCookie = document.cookie.split("; ");
			var len = document.cookie.split("; ").length;
			for (var i=0; i < len; i++) {
				cookieName = thisCookie[i].split("=")[0];
				cookieVal =  thisCookie[i].split("=")[1];
				if (cookieName == 'selectedCat') {
					prodType(cookieVal);
				}
			}
		}
	}