window.onload = function() {
	if($('username')) {
		$('username').onclick = function() {
			if($('username').value == 'Benutzername')
				$('username').value = '';
		}
		
		$('username').onblur = function() {
			if($('username').value == '')
				$('username').value = 'Benutzername';
		}
	}
	
	if($('email')) {
		$('email').onclick = function() {
			if($('email').value == 'E-Mail Adresse')
				$('email').value = '';
		}
		
		$('email').onblur = function() {
			if($('email').value == '')
				$('email').value = 'E-Mail Adresse';
		}
	}
    
    
    if($('quick_search'))
    {
        $('quick_search').focus();
    }
}

var card = {
	turn: function() {
		if($('back').style.display == 'none') {
			//Effect.toggle("front", "appear", {duration: 0.0});
			$('front').hide();
			Effect.toggle("back", "appear", {duration: 0.2});	
		}
		else {
			$('back').hide();
			Effect.toggle("front", "appear", {duration: 0.2});
		}		
	}
}

function quick_search(obj, list_obj)
{
    if(obj.value.length > 1)
    {
        $$(list_obj + ' li').each(function(li)
        {
            var text = strip_tags(li.innerHTML, "");
                text = trim(text, "");
                text = text.toLowerCase();
            var needle = obj.value.toLowerCase();

            if(text.indexOf(needle) === -1)
                li.hide();
            else
                li.show();
        });
    }
    else
    {
        $$(list_obj + ' li').each(function(li)
        {
           li.show(); 
        });
    }
}

function strip_tags (input, allowed) {
    // Strips HTML and PHP tags from a string  
    // 
    // version: 1103.1210
    // discuss at: http://phpjs.org/functions/strip_tags    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Luke Godfrey
    // +      input by: Pul
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Onno Marsman    // +      input by: Alex
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Marc Palau
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Brett Zamir (http://brett-zamir.me)    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Eric Nagel
    // +      input by: Bobby Drake
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   bugfixed by: Tomasz Wesolowski    // +      input by: Evertjan Garretsen
    // +    revised by: Rafal Kukawski (http://blog.kukawski.pl/)
    // *     example 1: strip_tags('<p>Kevin</p> <b>van</b> <i>Zonneveld</i>', '<i><b>');
    // *     returns 1: 'Kevin <b>van</b> <i>Zonneveld</i>'
    // *     example 2: strip_tags('<p>Kevin <img src="someimage.png" onmouseover="someFunction()">van <i>Zonneveld</i></p>', '<p>');    // *     returns 2: '<p>Kevin van Zonneveld</p>'
    // *     example 3: strip_tags("<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>", "<a>");
    // *     returns 3: '<a href='http://kevin.vanzonneveld.net'>Kevin van Zonneveld</a>'
    // *     example 4: strip_tags('1 < 5 5 > 1');
    // *     returns 4: '1 < 5 5 > 1'    // *     example 5: strip_tags('1 <br/> 1');
    // *     returns 5: '1  1'
    // *     example 6: strip_tags('1 <br/> 1', '<br>');
    // *     returns 6: '1  1'
    // *     example 7: strip_tags('1 <br/> 1', '<br><br/>');    // *     returns 7: '1 <br/> 1'
    allowed = (((allowed || "") + "").toLowerCase().match(/<[a-z][a-z0-9]*>/g) || []).join(''); // making sure the allowed arg is a string containing only tags in lowercase (<a><b><c>)
    var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>/gi,
        commentsAndPhpTags = /<!--[\s\S]*?-->|<\?(?:php)?[\s\S]*?\?>/gi;
    return input.replace(commentsAndPhpTags, '').replace(tags, function ($0, $1) {        return allowed.indexOf('<' + $1.toLowerCase() + '>') > -1 ? $0 : '';
    });
}

function trim (str, charlist) {
    // Strips whitespace from the beginning and end of a string  
    // 
    // version: 1103.1210
    // discuss at: http://phpjs.org/functions/trim    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: mdsjack (http://www.mdsjack.bo.it)
    // +   improved by: Alexander Ermolaev (http://snippets.dzone.com/user/AlexanderErmolaev)
    // +      input by: Erkekjetter
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)    // +      input by: DxGx
    // +   improved by: Steven Levithan (http://blog.stevenlevithan.com)
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // *     example 1: trim('    Kevin van Zonneveld    ');    // *     returns 1: 'Kevin van Zonneveld'
    // *     example 2: trim('Hello World', 'Hdle');
    // *     returns 2: 'o Wor'
    // *     example 3: trim(16, 1);
    // *     returns 3: 6    var whitespace, l = 0,
        i = 0;
    str += '';
 
    if (!charlist) {        // default list
        whitespace = " \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000";
    } else {
        // preg_quote custom list
        charlist += '';        whitespace = charlist.replace(/([\[\]\(\)\.\?\/\*\{\}\+\$\^\:])/g, '$1');
    }
 
    l = str.length;
    for (i = 0; i < l; i++) {        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(i);
            break;
        }
    } 
    l = str.length;
    for (i = l - 1; i >= 0; i--) {
        if (whitespace.indexOf(str.charAt(i)) === -1) {
            str = str.substring(0, i + 1);            break;
        }
    }
 
    return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';}