var J = jQuery.noConflict();

J(document).ready(function() {	

	//Get the height of the first item
	J('#mask').css({'height':J('#panel-1').height()});	
	
	//Calculate the total width - sum of all sub-panels width
	//Width is generated according to the width of #mask * total of sub-panels
	J('#panel').width(parseInt(J('#mask').width() * J('#panel div').length));
	
	//Set the sub-panel width according to the #mask width (width of #mask and sub-panel must be same)
	J('#panel div').width(J('#mask').width());
	
	//Get all the links with rel as panel
	J('a[rel=panel]').click(function () {
	
		//Get the height of the sub-panel
		var panelheight = J(J(this).attr('href')).height();
		
		//Set class for the selected item
		J('a[rel=panel]').removeClass('selected');
		J(this).addClass('selected');
		
		//Resize the height
		J('#mask').animate({'height':panelheight},{queue:false, duration:500});			
		
		//Scroll to the correct panel, the panel id is grabbed from the href attribute of the anchor
		J('#mask').scrollTo(J(this).attr('href'), 800);		
		
		//Discard the link default behavior
		return false;
	});
	
});