var global = new Object();
global = {
	/**Adiciona ../ até alcançar a raiz do site. Útil para se construir caminho relativos a partir da raiz*/
 	RelativeRoot: function(){
		var strHref = window.location.pathname;
		var bar = 0;
		var path = '';
		for(n=0;n!=strHref.length;n++){
			if (strHref.charAt(n)=='/'){
				bar++;
			}
		}

		if( bar < 2 ){
			return path;
		}

		for(n=1;n!=bar;n++){
			path = '../' + path;
		}

		return path;
	},
	isSubDomain: function(){
		var strf = window.location.hostname;
		var p = strf.indexOf('.');
		var sub = strf.substring(0,p);
		var is = (sub!="www" && sub!="gamevicio" ? true : false);
		return is;
	},
	form: {
		CreateQuery: function(formId){
	   		var elements = formId.elements ? formId.elements : document.forms[formId].elements;
	        var pairs = new Array();
		    for (var i = 0; i < elements.length; i++) {
		        if ((name = elements[i].name) && (value = elements[i].value))
		            pairs.push(name + "=" + encodeURIComponent(value));
		    }
		    return pairs.join("&");
		}
	},
	cookie : {
		Read: function(name){
			var cookieValue = "";
			var search = name + "=";
			if(document.cookie.length > 0) {
		    		offset = document.cookie.indexOf(search);
		   		 if (offset != -1) {
					offset += search.length;
		      			end = document.cookie.indexOf(";", offset);
		      			if (end == -1) end = document.cookie.length;
		      			cookieValue = unescape(document.cookie.substring(offset, end))
		    		}
		 	}
			return cookieValue;
		},
		Write: function (name, value, hours, path, domain, secure){
			var cookie = "";
			cookie+= name + "=" + escape(value);
			if(hours != null) {
				expire = new Date((new Date()).getTime() + hours * 3600000);
				expire = "; expires=" + expire.toGMTString();
			}else{
				expire = "";
			}
			cookie+= expire;
			cookie+= ((path) ? "; path=" + path : "");
			cookie+= ((domain) ? "; domain=" + domain : "");
		      cookie+= ((secure) ? "; secure" : "");
			document.cookie = cookie;
		}
	},
	div: {
		Write: function(divId,content){
			var d = document.getElementById(divId);
			if (d){
				d.innerHTML = content;
			}
		},
		WriteAdd: function(divId,content){
			var d = document.getElementById(divId);
			if (d){
				d.innerHTML+= content;
			}
		},
		Shrink: function(divId,mode){
			switch (mode){
				case 0:
					s = document.getElementById(divId).style.display == "none" ? "" : "none";
					break;
				case 2:
					s = "none";
					break;
				case 1:
					s = "";
					break;
			}
			document.getElementById(divId).style.display = s;
		},
		Read: function(divId){
			if (document.getElementById(divId)){
				return document.getElementById(divId).innerHTML;
			}else{
				return "";
			}
		}
	},
	utf8: {
		encode : function (string) {
	        string = string.replace(/\r\n/g,"\n");
	        var utftext = "";
	        for (var n = 0; n < string.length; n++) {
	            var c = string.charCodeAt(n);
	            if (c < 128) {
	                utftext += String.fromCharCode(c);
	            }
	            else if((c > 127) && (c < 2048)) {
	                utftext += String.fromCharCode((c >> 6) | 192);
	                utftext += String.fromCharCode((c & 63) | 128);
	            }
	            else {
	                utftext += String.fromCharCode((c >> 12) | 224);
	                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
	                utftext += String.fromCharCode((c & 63) | 128);
	            }
	        }
	        return utftext;
    	},
	    decode : function (utftext) {
	        var string = "";
	        var i = 0;
	        var c = c1 = c2 = 0;
	        while ( i < utftext.length ) {
	            c = utftext.charCodeAt(i);
	            if (c < 128) {
	                string += String.fromCharCode(c);
	                i++;
	            }
	            else if((c > 191) && (c < 224)) {
	                c2 = utftext.charCodeAt(i+1);
	                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
	                i += 2;
	            }
	            else {
	                c2 = utftext.charCodeAt(i+1);
	                c3 = utftext.charCodeAt(i+2);
	                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
	                i += 3;
	            }
	        }
	        return string;
	    }
	},
	getUrlVars: function (){
		var vars = [], hash,s;
		var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1);
		var anchor = hashes.indexOf('#');
		if (anchor>-1){
			hashes = hashes.slice(0,anchor);
		}
		hashes = hashes.split('&');
		for(var i = 0; i < hashes.length; i++){
			hash = hashes[i].split('=');
			vars.push(hash[0]);
			vars[hash[0]] = hash[1];
		}
		var hashes2 = window.location.href.slice(window.location.href.indexOf('#') + 1).split('&');
		for(var i = 0; i < hashes2.length; i++){
			hash = hashes2[i].split('=');
			vars.push(hash[0]);
			vars['#'+hash[0]] = hash[1];
		}
		return vars;
	},
	evalScripts: function(s){
		var p = b = e = c = g = 0;
		var sBegin = '<script';
		var sEnd = '</script>';
		while((b=s.indexOf(sBegin,p))!=-1){
			e = s.indexOf(sEnd,p);
			if (e==-1){
				break;
			}
			g = s.indexOf('>',b);
			//c = s.substr(b+sBegin.length,e-(b+sBegin.length));
			c = s.substr(g+1,e-(g+1));
			p = e + sEnd.length;
			eval(c);
		}
	},
	event: {
		addLoad: function(func){
			var oldonload = window.onload;
			if (typeof window.onload != 'function'){
		    	window.onload = func;
			} else {
				window.onload = function(){
				oldonload();
				func();
				}
			}
		},
		addScroll: function(func){
			var oldonload = window.onscroll;
			if (typeof window.onscroll != 'function'){
		    	window.onscroll = func;
			} else {
				window.onscroll = function(){
				oldonload();
				func();
				}
			}
		}
	}
}







var tab = new Object();
tab = {
	id: new Array(0,0,0,0,0,0,0,0,0),
	COOKIE_LAYER:true,
	start: function(area){
		if (tab.COOKIE_LAYER){
			var r = global.cookie.Read(area+'_last_tab');
			if (r.length>0){
				tab.change(area,r);
			}
		}
		//alert(tab.getId('video'));
	},
	areaToId:function(area){
		var n=0;
		switch(area){
			case "news":
				n=0;
				break;
			case "video":
				n=1;
				break;
			case "trans":
				n=2;
				break;
			case "rev":
				n=3;
				break;
			case "rel":
				n=4;
				break;
			case "gv":
				n=5;
				break;
			case "forum":
				n=6;
				break;
			case "down":
				n=7;
				break;
			case "search":
				n=8;
				break;
		}
		return n;
	},
	setId: function(area,n){
		tab.id[tab.areaToId(area)] = n;
	},
	getId: function(area){
		return tab.id[tab.areaToId(area)];
	},
	change: function(area,id){
		if (tab.getId(area)==id){
			return;
		}
		var oldId = tab.getId(area);
		tab.setId(area,id);
		if (tab.COOKIE_LAYER){
			global.cookie.Write(area+"_last_tab",id,24*30,"/",".localhost",false);
		}
		if (oldId>-1){
			global.div.Shrink(area+'_tab_content_'+oldId,0);
			document.getElementById(area+'_tab_'+oldId).className = 'tab_off';
		}
		global.div.Shrink(area+'_tab_content_'+id,1);
		document.getElementById(area+'_tab_'+id).className = 'tab_on';
		document.getElementById(area+'_tab_'+id).blur();
	}
}