// JavaScript Document

function popUp(msg){
	
		var popID = "popup1"; //Get Popup Name
		var popURL = "#?w=450"; //Get Popup href to define size
				
		//Pull Query & Variables from href URL
		var query= popURL.split('?');
		var dim= query[1].split('&');
		var popWidth = 450; //Gets the first query string value
		document.getElementById('msg').value = msg;
 
		//Fade in the Popup and add close button
		
		
				
		$('#' + popID).fadeIn().css({ 'width': Number( popWidth ) }).prepend('<a href="#" class="close"><img src="img/fechar.png" class="btn_close" title="Close Window" alt="Close" /></a>');
		//$('#nome').fadeOut(10);
		//$('#email').fadeOut(10);
		$('#resposta').fadeOut(10);
		//Define margin for center alignment (vertical + horizontal) - we add 80 to the height/width to accomodate for the padding + border width defined in the css
		var popMargTop = ($('#' + popID).height() + 80) / 2;
		var popMargLeft = ($('#' + popID).width() + 80) / 2;
		
		//Apply Margin to Popup
		$('#' + popID).css({ 
			'margin-top' : -popMargTop,
			'margin-left' : -popMargLeft
		});
		
		//Fade in Background
		$('body').append('<div id="fade"></div>'); //Add the fade layer to bottom of the body tag.
		$('#fade').css({'filter' : 'alpha(opacity=80)'}).fadeIn(); //Fade in the fade layer 
		
		return false;
	};
	
	
	//Close Popups and Fade Layer
	$('a.close, #fade').live('click', function() { //When clicking on the close or fade layer...
	  	$('#fade , .popup_block').fadeOut(function() {
			$('#fade, a.close').remove();  
			 $('#principal').fadeIn('slow');
			 $('#resposta').fadeOut('slow');
	}); //fade them both out
		
		return false;
	});
	
	$('#volta').click( function() { //When clicking on the close or fade layer...
		$('#fade').fadeOut();
		$('.popup_block').fadeOut(function() {
			$('#fade, a.close').remove();  
			 $('#principal').fadeIn('slow');
			 $('#resposta').fadeOut('slow');
	});
		  return false;
		});