function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60; //hours
}
var expires_date = new Date( today.getTime() + (expires) );
document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );

		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}				

function Delete_Cookie( name, path, domain ) {
if ( Get_Cookie( name ) ) document.cookie = name + "=" +
( ( path ) ? ";path=" + path : "") +
( ( domain ) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function clearDisabled () {
		Delete_Cookie('second','/','');

}


function disabled() {
/*if (Get_Cookie('admin') == null ) {document.getElementById('admin').disabled=true} else {document.getElementById('1').checked=true}
if (Get_Cookie('kvh') == null ) {document.getElementById('kvh').disabled=true} else {document.getElementById('2').checked=true}
if (Get_Cookie('sqm') == null ) {document.getElementById('sqm').disabled=true} else {document.getElementById('3').checked=true}*/

if (Get_Cookie('second') == null ) {
	document.getElementById('params').style.display = "none";
	} else {
	document.getElementById('params').style.display = "block";
	document.getElementById('0').checked=true;
	}
}

/*function lock (elm,id) {
if (id=='second'){
	if(elm.checked)
		{
		document.getElementById('admin').disabled=false
		document.getElementById('kvh').disabled=false
		document.getElementById('sqm').disabled=false
		Set_Cookie( id, id, '1', '/', '', '' );
		}
	else{
		Delete_Cookie(id,'/','');
		document.getElementById('admin').disabled=true
		document.getElementById('kvh').disabled=true
		document.getElementById('sqm').disabled=true
		}
	
}else{

	if(elm.checked)
		{document.getElementById(id).disabled=false;
		Set_Cookie( id, id, '1', '/', '', '' );
		}
	else{
		document.getElementById(id).disabled=true;
		Delete_Cookie(id,'/','');
		document.getElementById(id).disabled=true;
		}
}

}*/

function isChecked(checkbox) { 
if (checkbox.checked) {
document.getElementById('params').style.display = "block";
Set_Cookie( 'second', 'second', '1', '/', '', '' );
}else{
document.getElementById('params').style.display = "none";
Delete_Cookie('second','/','');
}
}