if (document.images) {
    img1 = new Image();
    img1.src = "/img/loader.gif";
}

function genDialog(title, html, modal, ok, close) {
    var $dialog = $('<div></div>')
			.html(html)
			.dialog({
                autoOpen: false,
			    width: 500,
			    modal: modal,
			    title: title
			});
	if(close == false) {
	    $dialog.dialog({
	        open: function(event, ui) { jQuery('.ui-dialog-titlebar-close').hide(); }
	    });
	}
	if (ok != false) {
	    $dialog.dialog({
	        buttons: {
	            Ok: function() {
	                $(this).dialog('close');
	            }
	        }
	    });
	}
    $dialog.dialog('open');
}