function ajax(selector, vars)
{
    if (vars==null) vars = new Object();
    selector = SITE_ROOT + selector;
    
    if (selector.substring(0,2) == "//") selector = selector.substring(1);
    
    vars['ajax!'] = 1;
    
    $.ajax({
        type: "POST",
        dataType: "script",
        url: selector,
        data: vars,
        cache: false,
        success: function(msg)
        {
        }
    });
}

function isEscapeHit(e)
{
	if (e.keyCode == 27) return true;
	return false;
}

function floatImage(img)
{
	$.blockUI({'message':'<span>Klik op de afbeelding om deze te sluiten / Click image to close.</span><br /><a href="javascript:$.unblockUI();"><img src="'+img+'" alt="Image" /></a>','css':{'width':'auto','margin-left':-324}});
}