jQuery.QapTcha = {
	build : function(options)
	{
        var defaults = {
			txtLock : 'Drag the slider to accept the',
			txtUnlock : 'I have accepted the',
			disabledSubmit : true,
			autoRevert : true
        };

		if(this.length>0)
		return jQuery(this).each(function(i) {
			/** Vars **/
			var
				opts = $.extend(defaults, options),
				$this = $(this),
				form = $('form').has($this),
				Clr = jQuery('<div>',{'class':'clr'}),
				bgSlider = jQuery('<div>',{id:'bgSlider'}),
				Slider = jQuery('<div>',{id:'Slider'}),
				Icons = jQuery('<div>',{id:'Icons'}),
				TxtStatus = jQuery('<div>',{id:'TxtStatus','class':'dropError',text:opts.txtLock}),
  				inputQapTcha = jQuery('<input>',{name:'iQapTcha',value:generatePass(),type:'hidden'});

			/** Disabled submit button **/
			if(opts.disabledSubmit) form.find('input[type=\'submit\']').attr('disabled','disabled');

			/** Construct DOM **/
			bgSlider.appendTo($this);
			Icons.insertAfter(bgSlider);
			Clr.insertAfter(Icons);
			TxtStatus.insertAfter(Clr);
			inputQapTcha.appendTo($this);
			Slider.appendTo(bgSlider);
			$this.show();

			Slider.draggable({
				revert: function(){
					if(opts.autoRevert)
					{
						if(parseInt(Slider.css("left")) > 150) return false;
						else return true;
					}
				},
				containment: bgSlider,
				axis:'x',
				stop: function(event,ui){
					if(ui.position.left > 150)
					{
						// set the SESSION iQaptcha in PHP file
						$.post("http://peakvoiz.com/qaptcha/set_session",{
                                                    action : 'qaptcha'
                                                },
						function(data) {
							if(!data.error)
							{
								Slider.draggable('disable').css('cursor','default');
								inputQapTcha.val("");
                                                                TxtStatus.css({color:'#35a41b'}).text(opts.txtUnlock);
                                                                Icons.css('background-position', '-16px 0');
                                                                form.find('input[type=\'submit\']').removeAttr('disabled');
                                                                form.find('input[type=\'submit\']').css('color','black');
                                                                $('.qcaptcha_terms').children('a').hide();
                                                                $('#qcaptcha_terms_txt').show();
							}
						},'json');
					}
				}
			});

			function generatePass() {
		        var chars = 'azertyupqsdfghjkmwxcvbn23456789AZERTYUPQSDFGHJKMWXCVBN';
		        var pass = '';
		        for(i=0;i<10;i++){
		            var wpos = Math.round(Math.random()*chars.length);
		            pass += chars.substring(wpos,wpos+1);
		        }
		        return pass;
		    }

		});
	}
}; jQuery.fn.QapTcha = jQuery.QapTcha.build;