// JavaScript Document

function showCityFilter(){

	if(window.innerHeight){
	
		var screenHeight = window.innerHeight;
	}else{
	
		var screenHeight = document.body.clientHeight;
	}
	
	if(window.innerWidth){
	
		var screenWidth = window.innerWidth;
	}else{
	
		var screenWidth = document.body.clientWidth;
	}

	var screenLeft = (screenWidth / 2) - 200;
	var screenTop = 250;

	document.getElementById('weatherbox').style.display = 'none';
	document.getElementById('pageFilter').style.visibility = 'visible';
	document.getElementById('selectFilter').style.visibility = 'visible';
	
	document.getElementById('pageFilter').style.width = screenWidth + "px";
	document.getElementById('pageFilter').style.height = screenHeight + "px";
	
	document.getElementById('selectFilter').style.top = screenTop + "px";
	document.getElementById('selectFilter').style.left = screenLeft + "px";
	
	fetchData('/include/cityfilter.php', null, 'selectFilter');

}

function hideCityFilter(){

	document.getElementById('weatherbox').style.display = 'block';
	document.getElementById('pageFilter').style.visibility = 'hidden';
	document.getElementById('selectFilter').style.visibility = 'hidden';

}