function clearText(thefield) {
	if (thefield.defaultValue==thefield.value)
	thefield.value = ""
}
function returnText(thefield) {
	if (thefield.value=='')
	thefield.value=thefield.defaultValue
}
function left_login_FormCheck(lang)
{
	var lang;
	if (lang == "")
		{lang = "g_";}
	if (lang == "e_")
		{messageText = "Please enter Username and Password to log in.";}
	if (lang == "g_")
		{messageText = "Geben Sie Benutzername und Passwort an um sich einzuloggen.";}

	var formOK=true;

	if(document.getElementById('user').value=="" && formOK==true)
	{
		alert(messageText);
		document.getElementById('user').focus();
		formOK=false;
	}

	if(document.getElementById('pass').value=="" && formOK==true)
	{
		alert(messageText);
		document.getElementById('pass').focus();
		formOK=false;
	}
	if (formOK)
	{
		document.getElementById('checkUser').value=true;
		document.getElementById('left_login').submit();
	}	
	else
	{
		document.getElementById('checkUser').value=false;
	}
}


////
function check_quotes(lang)
{
	var ok = false;
	var alert_3_letters;
	var alert_1_letter;
	var alert_prohibited;
	
	var formToCheck = document.getElementById('quicksearchQuotes');
	var strToCheck = formToCheck.value;
	
	if (lang == "g_")
	{
		alert_prohibited = "Der Gebrauch von den +,%,?,*,[,] Buchstaben in der Suchzeichenkette wird verboten!";
		alert_3_letters = "Sie müssen für die Suche mindestens 3 Zeichen eingeben!";
		alert_1_letter = "Sie müssen für die Suche mindestens 1 Zeichen eingeben!";
	}
	else
	{
		alert_prohibited = "The use of the +,%,?,*,[,] characters in the search string is prohibited!";
		alert_3_letters = "You must enter at least 3 character for the search!";
		alert_1_letter = "You must input at least 1 character for the search!";
	}
	if (strToCheck.search(/(^ +)|(\?)|(\%)|(\*)|(\[)|(\])/gi,"") > 0)
	{
			alert(alert_prohibited);
			formToCheck.focus();
	}	
	if(isInt(strToCheck) == true)
	{	
		if (strToCheck.length < 3 ||strToCheck == "")
		{
			alert(alert_3_letters);
			formToCheck.focus();
		}
		else
			ok = true;
	}
	else
	{
		
		if (strToCheck == "")
		{
			alert(alert_1_letter);
			formToCheck.focus();
			return false
		}
		else
			ok = true;
	}
	if (ok)
		document.getElementById('quicksearchQuotesForm').submit();
}
function isInt(numstr)
{
	var isValid = true;
	if (numstr+"" == "undefined" || numstr+"" == "null" || numstr+"" == "")	
		return false;
	numstr += "";	
	for (i = 0; i < numstr.length; i++)
		{
    		if (!((numstr.charAt(i) >= "0") && (numstr.charAt(i) <= "9")))
			{
       			isValid = false;
       			break;
			}
      	}
   	return isValid;
}
//===================================
function check_news(lang)
{
	var alert_3_letters;
	var alert_1_letter;
	formToCheck = document.getElementById('quicksearchNews');
	if (lang == "g_")
	{
		alert_3_letters = "Sie müssen für die Suche mindestens 3 Zeichen eingeben!";
		alert_1_letter = "Sie müssen für die Suche mindestens 1 Zeichen eingeben!";
	}
	else
	{
		alert_3_letters = "You must enter at least 3 character for the search!";
		alert_1_letter = "You must input at least 1 character for the search!";
	}
	
	if (formToCheck.value.length < 3 || formToCheck.value == "")
		alert(alert_3_letters);
	else
		document.getElementById('quicksearchNewsForm').submit();
}