// JavaScript Document

function turn_on_shipping_modal(){
	//#mask
	
	//get window height and width
	var maskHeight = $(document).height();   
    var maskWidth = $(window).width();   
	$('#mask').css('opacity',0.8);	
	//set width and height of modal
	$('#mask').css('width', maskWidth);
	$('#mask').css('height',maskHeight);
	
	//$('#mask').css('display', 'visible');
	$('#mask').fadeIn("slow");


	
	//#modal
	var modal_postion_top = maskHeight/2 - $('#shipping_modal').height()/2;
	var modal_postion_left = maskWidth/2 - $('#shipping_modal').width()/2;
	
	$('#shipping_modal').css('top',modal_postion_top);
	$('#shipping_modal').css('left',modal_postion_left);
	
	$('#shipping_modal').fadeIn("slow");
	
	
}
function turn_off_shipping_modal(){
	$('#shipping_modal').css('display','none');
	$('#mask').css('display','none');
}