function getFile(pURL) {
    if (window.XMLHttpRequest) { // code for Mozilla, Safari, etc 
        xmlhttp=new XMLHttpRequest();
    } else if (window.ActiveXObject) { //IE 
        xmlhttp=new ActiveXObject('Microsoft.XMLHTTP');
    }

    // if we have created the xmlhttp object we can send the request
    if (typeof(xmlhttp)=='object') {
        xmlhttp.onreadystatechange=xmlhttpResults;
        xmlhttp.open('GET', pURL, true);
        xmlhttp.send(null);
    } else {
        //alert('Your browser is not remote scripting enabled. You can not run this example.');
    }
}

// function to handle asynchronous call
function xmlhttpResults() {
    if (xmlhttp.readyState==4) { 
        if (xmlhttp.status==200) {
            // we use a delay only for this example
            //setTimeout('loadResults()',500);
            //loadResults();
        }
    }
}

function vote(i) {
		if (!Get_Cookie(i)) {
			//set cookie
			Set_Cookie( i, 'voted', '1', '/fangallery', '', '' );
			//vote
			getFile('vote.php?id='+i);
		}
		//change image
		document.getElementById('vote'+i).src="images/voted.png";
}

function Set_Cookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires )
	{
	expires = expires * 1000 * 60 * 60 * 24;
	}
	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 ) {
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false;

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		a_temp_cookie = a_all_cookies[i].split( '=' );
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}