var http = false;
var requesting="...";
if (navigator.appName == "Microsoft Internet Explorer") {
	http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
	http = new XMLHttpRequest();
} 

function vote($username, $newsid) {
	document.getElementById('hot_'+$newsid).style.backgroundImage = "url('../style/base/glasuje.gif')";			
	var $username;
	var $newsid;
	http.open("GET", "engine/functions.php?username=" + $username + "&newsid=" + $newsid, true);
	http.onreadystatechange = function() {
		if (http.readyState == 4) {
			document.getElementById('hot_'+$newsid).innerHTML = http.responseText;
		}
	}
	http.send(null);
}

function vote_blog($username, $blogid) {
	var $username;
	var $blogid;
	
	 
	
	if (document.getElementById('first').className != 'voted' || document.getElementById('second').className != 'voted') {
		
		
		http.open("GET", "engine/functions.php?username=" + $username + "&blogid=" + $blogid, true);
	
		http.onreadystatechange = function() {
			if (http.readyState == 4) {
				document.getElementById('blog' + $blogid).className = 'opacity';			
				document.getElementById('first').className = 'voted';
				document.getElementById('second').className = 'voted';
			}
		}
		http.send(null);
		
		
	}

}

	function ChoosePopular(period) {
		// postavljamo sve popular na hide
		var periodNo = 0;
		while ( document.getElementById('a_'+periodNo) ) {
			document.getElementById('a_'+periodNo).className = 'tab' + periodNo;	
			document.getElementById('pop_'+periodNo).className = 'hide';	
			periodNo++;
		}
		// ukljucujemo onaj aktivni
		document.getElementById('a_'+period).className= 'tab' + period  + ' current';
	
		document.getElementById('pop_'+period).className='populari';	
	}
	
	function popup(div) {
		var elem = document.getElementById(div);
    	if (elem.style.display=='') {elem.style.display='none'; return;}
    	elem.style.display='';
	}