function fixPNG(element)
{	
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent))
	{
		var src;
		
		if (element.tagName=='IMG')
		{
			if (/\.png$/.test(element.src))
			{
				src = element.src;
				element.src = "/img/blank.gif";
			}
		}
		else
		{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src)
			{
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}
		
		if (src) element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
	}
}

labeledInput = Class.create({
	initialize: function() {
		var labelSelector = arguments[0] || 'label';
		$$(labelSelector).findAll(function(l) {return (l.readAttribute('for') !== null)}).each(function(l){
		    l.hide();
			$(l.readAttribute('for'))._value = l.innerHTML;
			if ($(l.readAttribute('for')).value.empty()) {
                $(l.readAttribute('for')).value = $(l.readAttribute('for'))._value
            }
			$(l.readAttribute('for')).observe('blur',function(e){if(Event.element(e).value == '') Event.element(e).value = Event.element(e)._value;});
			$(l.readAttribute('for')).observe('focus',function(e){if(Event.element(e).value == Event.element(e)._value) Event.element(e).value = '';});
		});
	}
});




function setCheck(state, form)
{
    var form = form ? form : 'mainForm';
    $(form).select('input.checkbox').each(function(i){
        i.checked = state;
    })
}

buildCalendar=function()
{
    new CalendarDateSelect( $('date'), { time:true, year_range:10, format:'db' } );
}

function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin !== 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain)
{
    if (getCookie(name))
    {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}