$(document).ready(function(){
						   		   

	//When you click on a link with class of poplight and the href starts with a # 

	$('a.poplight1[href^=#]').click(function() {
		var popID = $(this).attr('rel'); //Get Popup Name
		var popURL = $(this).attr('href'); //Get Popup href to define size
				

		//Pull Query & Variables from href URL

		var query= popURL.split('?');
		var dim= query[1].split('&');
		var popWidth = dim[0].split('=')[1]; //Gets the first query string value


		//Fade in the Popup and add close button

		$('#' + popID).fadeIn().css({ 'width': Number( popWidth ) }).prepend('<a href="#" class="close"><img src="http://leeds-cex.co.uk/NMP/close1.png" class="btn_close" title="Close Window" alt="Close" /></a>');

		//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();  

	}); //fade them both out

		return false;

	});	

});