// JavaScript Document
var scrj = 1;

function softScrollBack() {

   if(navigator.appName == "Microsoft Internet Explorer" && document.compatMode == "CSS1Compat") {

      var scdist = document.body.parentNode.scrollTop;

   } else {

      var scdist = document.body.scrollTop;

   }

   if(scrj<50 && scdist) {

      scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;

      scrj++;

      scrollBy(0,-scdist);

      setTimeout("softScrollBack()",10);

   } else {

      scrollTo(0,0);

      scrj = 1;

   }

}

$(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
		
		//transition effect		
		$('#mask').fadeTo("fast",0.8);	
		$('#mask').fadeIn(1000);	
	
		//Get the window height and width
		var winH = $(window).height();
		var winW = $(window).width();
              
		//Set the popup window to center
		$(id).css('top',  winH/2-$(id).height()/2);
		$(id).css('left', winW/2-$(id).width()/2);
	
		//transition effect
		$(id).fadeIn(2000); 
	
	});
	
	//if close button is clicked
	$('.window .close').click(function (e) {
		//Cancel the link behavior
		e.preventDefault();
		
		$('#mask').hide();
		$('.window').hide();
	});		
	
	//if mask is clicked
	$('#mask').click(function () {
		$(this).hide();
		$('.window').hide();
	});			
	
});