var http = createRequestObject();

function createRequestObject() 
{
	var ro;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer")
	{
		ro = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		ro = new XMLHttpRequest();
	}
	return ro;
}

function nav_over(nav)
{
	document.getElementById('n'+nav).style.backgroundImage="url('/images/nav_back_over.gif')";
	document.getElementById('l'+nav).style.color = '#6aa94e';
}
function nav_out(nav)
{
	document.getElementById('n'+nav).style.backgroundImage="url('')";
	document.getElementById('l'+nav).style.color = '#626262';
}
function changeuser(field,but)
{
	if(field.value == '')
	{
		document.getElementById(but).disabled = true;
	}
	else
	{
		document.getElementById(but).disabled = false;
	}
}
function checkavail(field,utype)
{
	username = document.getElementById(field).value;
	
	if(username.length < 4)
	{
		document.getElementById('availres').innerHTML = '<font color=red>Your selected username "'+username+'" is too short</font>';
		return;
	}
	else if(username.length > 16)
	{
		document.getElementById('availres').innerHTML = '<font color=red>Your selected username "'+username+'" is too long</font>';
		return;
	}
	
	http.open('get', '/new_account.html?type='+utype+'&avail='+username);
    http.onreadystatechange = availResponse;
    http.send(null);
}
function availResponse() 
{
	if(http.readyState == 4)
	{
        var response = http.responseText;
		
		returned = response.split('|');

		if(response.indexOf('|' != -1)) 
		{
			var username=returned[0];
			var status=returned[1];

			if(status == 1)
			{
				document.getElementById('availres').innerHTML = '<font color=green>Your selected username "'+username+'" is available</font>';
			}
			else
			{
				document.getElementById('availres').innerHTML = '<font color=red>Your selected username "'+username+'" is already taken</font>';
			}
		}
	}
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
	if(selObj.options[selObj.selectedIndex].value != '')
	{
		eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
		if (restore) selObj.selectedIndex=0;
	}
}