var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function vota(tipo, enq){
	var url = 'php/enquete.php';
	var voto = "0";
	if (tipo == 'votar')
		voto = Form.getInputs('form_enq','radio','enq_resp').find(function(radio) { return radio.checked; }).value;
	var pars = 'enq='+enq+'&voto='+voto;

   	var myAjax = new Ajax.Request( url,
           { method: 'post',
           parameters: pars,
           onComplete: function(transport) {
               var response = transport.responseText || "Nada Encontrado";
               $('respostas').innerHTML = response;
               }
           }
       );
}

function corrigir_rodape(){

         var navegador = BrowserDetect.browser;
         var versao = BrowserDetect.version;

         var doit = false;

        if(!document.layers && !document.all){
        
        doit = true;
        
        }else if(navegador == "Explorer" && versao == "7"){
        
        doit = true;
        
        }

        if(doit == true) {

        var wrappa = document.getElementById('left_content').clientHeight;
        var wrappa2 = document.getElementById('right_content').clientHeight;
        var resultado = 0;
        
            if(wrappa > wrappa2){
            resultado = wrappa + 310;
            }else{
            resultado = wrappa2 + 310;
            }
        var eee = document.getElementById('footer');
        eee.style.top = resultado+'px';
        eee.style.visibility = 'visible';

        }

}