/**
** Show Modal
**/
$(document).ready(function() {
	//select all the a tag with name equal to modal
	$('a[name=modal]').click(function(e) {
		//Cancel the link behavior
		e.preventDefault();

		//Get the A tag
		var id = $(this).attr('href');

		//Get the screen height and width
		var maskHeight = $(document).height();
		var maskWidth = $(window).width();

		//Set heigth and width to mask to fill up the whole screen
		$('#mask').css({'width':maskWidth,'height':maskHeight});

		//transition effect
		$('#mask').fadeTo(1, 0.5);

		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();

		//Set the popup window to center

		var offset = 0;
		if (id == "#modalResultadosEncuesta" || id == "#modalCaptchaEncuesta") offset = 1000;

		$(id).css('top',  (winH/2-$(id).height()/2) + offset);
		$(id).css('left', winW/2-$(id).width()/2);

		//transition effect
		$(id).fadeIn(0);

	});

	//if close button is clicked
	$('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();

		$('#mask').hide();
		$('.window').hide();
	});
});