var Ltext = function(){
    var dialog,iframe;
    
    // return a public interface
    return {
        init : function(){
        },
        
        showDialog : function(tab,id){
			if(!dialog){
           dialog = new YAHOO.ext.LayoutDialog("zzzltext_dialog", { 
                        modal:true,
                        shadow:true,
						closable:true,
						width:300,
						height:200,
						draggable:true,
						autoScroll:true,
	                    center: {
	                    	autoScroll:false
                    }
                });
                dialog.addKeyListener(27, dialog.hide, dialog);
				//dialog.addButton('Ok', dialog.hide, dialog);
                //dialog.addButton('Cancel', dialog.hide, dialog);
                var layout = dialog.getLayout();
                dialog.beginUpdate();
				iframe = YAHOO.ext.DomHelper.append(document.body, {tag: 'iframe', frameBorder: 0, scrolling:"no", src: "rdummy.htm"});
				layout.add('center', new YAHOO.ext.ContentPanel(iframe, {title: 'Inner Tab', fitToFrame:true}));
				//layout.add('center', new YAHOO.ext.ContentPanel('center', {title: 'Inner Tab'}));
			//}

				dialog.endUpdate();
		}
				dialog.show(id);
				iframe.src="wcsLtext.csp?id="+id+"&tab="+tab;

			},
        hideDialog : function(){
				dialog.hide();
			}
    };
}();