var previous_id;
var previous_day;
var today;
var measure = '°C';
var extension = 'gif';

function dayOver(id) {	
	if(week_temps[id][0] != 100) {
		/*
		previous_img = document.getElementById('img'+previous_id);
		selected_img = document.getElementById('img'+id);	
		var temp_url = previous_img.src;
		temp_url = temp_url.substring(0, temp_url.length - extension.length - 2);
		temp_url = temp_url + '.' + extension;
		previous_img.src = temp_url;
	
		temp_url = selected_img.src;
		temp_url = temp_url.substring(0, temp_url.length - extension.length - 1);	
		temp_url = temp_url + 's.' + extension;		
		selected_img.src = temp_url;
		*/
		//document.getElementById('weatherday' + previous_id).innerHTML = previous_day;
		//previous_day = document.getElementById('weatherday' + id).innerHTML;
		document.getElementById('weatherday' + id).innerHTML = '<b>' + document.getElementById('weatherday' + id).innerHTML + '<\/b>';
		
		previous_id = id;
		weather_head = document.getElementById('weatherdaytemp');
		weather_head.innerHTML = 'Min '+ week_temps[id][0] + measure + ' - Max ' + week_temps[id][1] + measure;
	}		
}
function dayOut(id) {		
	if(week_temps[id][0] != 100) {
		/*
		previous_img = document.getElementById('img'+previous_id);
		selected_img = document.getElementById('img'+today);	
		var temp_url = previous_img.src;
		temp_url = temp_url.substring(0, temp_url.length - extension.length - 2);
		temp_url = temp_url + '.' + extension;
		previous_img.src = temp_url;
		
		temp_url = selected_img.src;
		temp_url = temp_url.substring(0, temp_url.length - extension.length - 1);	
		temp_url = temp_url + 's.' + extension;		
		selected_img.src = temp_url;
		*/
		//document.getElementById('weatherday' + previous_id).innerHTML = previous_day;
		//previous_day = document.getElementById('weatherday' + today).innerHTML;
		document.getElementById('weatherday' + today).innerHTML = '<b>' + document.getElementById('weatherday' + today).innerHTML + '<\/b>';
	
		previous_id = today;
		weather_head = document.getElementById('weatherdaytemp');
		weather_head.innerHTML = 'Min '+ week_temps[today][0] + measure + ' - Max ' + week_temps[today][1] + measure;
	}	
}