function clearThis(elementti,oletus){
	var word = document.getElementById(elementti).value;
	if(word==oletus){
		document.getElementById(elementti).value='';
		document.getElementById(elementti).style.color = "#111111";
	}
}

function populateThisAgain(elementti,oletus){
	var word = document.getElementById(elementti).value;
	if(word==''){
		document.getElementById(elementti).value=oletus;
		document.getElementById(elementti).style.color = "#464646";
	}
}


function confirmSubmit(themessage){

	var agree=confirm(themessage);
	if (agree){
		return true;
	}
	else{
		return false;
	}
}

function hilight_link(target){

	document.getElementById(target + "_1").style.textDecoration = 'underline';
	document.getElementById(target + "_2").style.color = '#111111';

}

function dont_hilight_link(target){

	document.getElementById(target + "_1").style.textDecoration = 'none';
	document.getElementById(target + "_2").style.color = '#a1a1a1';

}





var siteurl = "http://www.vaellusjaretkeily.com";

//Ajax
var request = false;
try
{
	 request = new XMLHttpRequest();
}
catch (trymicrosoft)
{
	try
	{
		request = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch (othermicrosoft)
	{
		try
		{
			request = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (failed)
		{
			request = false;
		}  
	}
}



function change_reitit(){
	minimi = document.reittiform.elements[0].value;
	maksimi = document.reittiform.elements[1].value;
	roundandround = document.reittiform.elements[2].checked;
	if( roundandround === false ){
		roundand = "ihansama";
	}
	if( roundandround === true ){
		roundand = "kyl";
	}
	
	
	var url = siteurl+"/updatereitit.php?minimi=" + minimi +"&maksimi=" + maksimi +"&roundandround=" + roundand;
	
	request.open("GET", url, true);
	request.onreadystatechange = updateReitit;
	request.send('');

}

function updateReitit(){
	try{
		if (request.readyState == 4){
		
			if ( (request.status == 200) || (request.status == 0) ){
			
				var vastaus = request.responseText;
				document.getElementById('vaellusreitit_container').innerHTML = vastaus;
			}
			else if (request.status == 404){
				
				alert("Request URL does not exist - 404");
			}
			else{

				alert("Error: status code is " + request.status);
			}
		}		
	}
	catch(e){
	
	}

}