var lsPanelClass = new Class({	

	initialize: function(){

		

	},

		putText: function(obj,text) {

		obj=$(obj);

		var scrollLeft=obj.scrollLeft;

		var scrollTop=obj.scrollTop;		

		if (Browser.Engine.trident && document.selection) {

			obj.focus();

			sel=document.selection.createRange();

			sel.text=text;

		} else {

			obj.insertAtCursor(text);

		}		

		obj.scrollLeft=scrollLeft;

		obj.scrollTop=scrollTop;

	}, 

	

	putTag: function(obj,tag) {

		this.putText(obj,'<'+tag+'/>');

	},

	

	putTextAround: function(obj,textStart,textEnd) {

		obj=$(obj);

		var scrollLeft=obj.scrollLeft;

		var scrollTop=obj.scrollTop;	

		if (Browser.Engine.trident && document.selection) {

			obj.focus();

			sel=document.selection.createRange();

			sel.text = textStart+sel.text+textEnd;

		} else {

			obj.insertAroundCursor({

				before: textStart,

				defaultMiddle: '',

				after: textEnd

			});

		}

		obj.scrollLeft=scrollLeft;

		obj.scrollTop=scrollTop;

	},

	

	putTagAround: function(obj,tagStart,tagEnd) {

		if (!tagEnd) {

			tagEnd=tagStart;

		}

		this.putTextAround(obj,'<'+tagStart+'>','</'+tagEnd+'>');

	},

	

	putTagUrl: function(obj,sPromt) {

		obj=$(obj);

		if (url=prompt(sPromt,'http://')) {

			var sel=obj.getSelectedText();

        	this.putText(obj,'<a href="'+url+'">'+sel+'</a>');

        }

	},

	

	putQuote: function(obj) {

		obj=$(obj);

		if (selText=this.getSelectedText()) {			

			this.putText(obj,'<blockquote>'+selText+'</blockquote>');

		} else {

			this.putTagAround(obj,'blockquote');

		}

	},

	

	getSelectedText: function(){

		if (Browser.Engine.trident) return document.selection.createRange().text;

		//if (window.khtml) return window.getSelection();

		return document.getSelection();

	},
	
	insertUser: function(obj,login){
                obj=$(obj);
                this.putText(obj,'<user>'+login+'</user>');
                hideUserForm();
        }

});



var lsPanel;



window.addEvent('domready', function() {

    lsPanel = new lsPanelClass();   

});