/* Codificación UTF-8 */

/* FUNCIONES: 
 * 	- checkVisible(elm, evalType)
 *  - floatBar(barra)
 */
	
	//function checkVisible( elm, evalType ) {
	$.fn.checkVisible = function(options)
	{
		var defaults = $.extend({
			elm: '',
			evalType: ''
		},options);
       evalType = defaults.evalType || "visible";
       elm = defaults.elm;
       if( typeof $(elm).offset() !== 'undefined' ) {
              var vpH = $(window).height(), // Viewport Height
                           st = $(window).scrollTop(), // Scroll Top
                           y = $(elm).offset().top,
                           elementHeight = $(elm).height();

              if (evalType === "visible") return ((y < (vpH + st)) && (y > (st - elementHeight)));
              if (evalType === "above") return ((y < (vpH + st)));
       }
    }
	
	$.fn.floatBar = function(options)
	{
		var defaults = $.extend({
			barra: 'topBarPrimary',
			panel: 'P_lis'
		},options);
	    $(window).bind("scroll", function() {
	    	var elem1 = $('#'+defaults.panel);
	        var elem2 = $('#'+defaults.barra);
	        elem2.removeClass('barraFlotante');     
	        if( !$(window).checkVisible({ elm: elem2, evalType: 'visible'}) ) 
	        {
	        	elem2.addClass('barraFlotante');
	        }
	        if( !$(window).checkVisible({ elm: elem1, evalType: 'visible'}) ) 
	        {
	        	elem2.removeClass('barraFlotante');
	        }
		});
	}