(function(jQuery) {
var self = null;
 
 //HANDLE jQuery.print( element, [context] )
 //Acts like jQuery() no parameter, gets DOCUMENT
 	jQuery.extend({
'print':	function(e, c){
if( jQuery(e, c).size() > 0){
jQuery(e, c).jPrint();
return true;
} else {
return false;
}
}
});
 	//HANDLE jQuery( ... ).jPrint( [options] )
 	jQuery.fn.extend({
'jPrint':	function(opts) {
//Create configuration
var pref = jQuery.extend({}, jQuery.fn.jPrint.defaults, opts);
return new jQuery.jPrint(this, pref);			
}
});
jQuery.fn.jPrint.defaults = {
//'canvas': 		'<div>&nbsp;</div>',
'autoDrawn':	true,	//Drawns elements to canvas automatically
'autoPrint': 	true,	//Print where canvas is drawn
'autoClean': 	true,	//Auto clean elements after drawn them to canvas
'beforePrint':	false,
'afterPrint':	false,
'debug': 		false
};
//Class
jQuery.jPrint = function( e, p ) {
this.iframe = null;
this.elements = e;
this.pref = p;
this.ready = false;
this.last_ret = true;
this.init();
}
//Functions
jQuery.jPrint.fn = jQuery.jPrint.prototype = {
'jPrint': '1.0'
};
//Copy the jQuery.extend function
 	jQuery.jPrint.prototype.extend = jQuery.jPrint.extend = jQuery.extend;
//Extend the functions
jQuery.jPrint.prototype.extend({
'init': function() {
self = this;
this.iframe = jQuery('<iframe src="about:blank" name="jprint_frame" />')
.css({'position': 'absolute', 'width': '0px', 'height': '0px', 'left': '-500px', 'top': '-500px'})
.load(function(){
jQuery(this).contents().find('body').append('<div id="jprint_canvas">&nbsp;</div>');
jQuery(this).trigger('canvasready', self);
})
.bind('canvasready', function(e, jPrinter){
jPrinter.ready = true;
//drawn elements to canvas automatically
if(self.pref.autoDrawn) {
self.toCanvas();
}
});
jQuery('body').append(this.iframe);
},
'addElements': function(e) {
this.elements = this.elements.add( e );			
},
'clean':	function(){
this.elements = this.elements.not('*');		//empty set
},
'toCanvas': function(){
//Trying to drawn a canvas which is not ready yet
if(! this.ready )
alert('Error! Tried to drawn a non-ready canvas.');
//IE dont allow the insertion of nodes inside iframe BODY, then we must insert the HTML
this.iframe.contents().find("#jprint_canvas").html(
jQuery(this.elements).html()
);
//Auto clean on drawn canvas
if(this.pref.autoClean)
this.clean();
//Auto print on drawn canvas
if(this.pref.autoPrint)
this.print();
},
//Prints the window
'print':	function(){
self = this;
//adds elements to canvas automatically
if(self.pref.autoAdd) {
self.addElements( self.elements );
}
//Error occurred in the user beforeprint callback
if(this.last_ret == false){
return false;
}
//Prints
with(this.iframe.attr('contentWindow')){
focus();
print();
}
//Clean UP
//setTimeout(function(){ jQuery(self.iframe).remove(); }, 500);
return this.last_ret;
}
 });
})(jQuery);