/////////////////////////////
///   SCRIPTS VIEW_CHRON  ///
/////////////////////////////


/////// LANG ////////
if(langGlobal == "fr"){
	var msg_votenoenreg = "Vous avez déjà voté aujourd'hui";
}else{
	var msg_votenoenreg = "Vote already recorded today";
}
////// END LANG ///////

function ajax(script){
	if(window.XMLHttpRequest) // FIREFOX
		xhr_object = new XMLHttpRequest();
	else if(window.ActiveXObject) // IE
		xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	else
		return(false);
	xhr_object.open("GET", script, false);
	xhr_object.send(null);
	if(xhr_object.readyState == 4) 
		return(xhr_object.responseText);
	else 
		return(false);
}			  


function addVoteChron(id_chron, id_user, style) {
	var ajaxloader=window.document.getElementById("ajaxloader");
	ajaxloader.style.display="block";
	
	var vote = ajax("includes/ajax_set_vote_chron.php?action="+style+"&user="+id_user+"&chron="+id_chron);
	//alert(vote);
	if (vote.match("ok")) {
		var votecount = window.document.getElementById(style+"count"+id_chron).value;
		voteadded = parseInt(votecount) + 1 ;
		window.document.getElementById(style+"count"+id_chron).value = voteadded;
		window.document.getElementById("span_"+style+id_chron).innerHTML = "("+voteadded+")";
		
		setTimeout('window.document.getElementById("ajaxloader").style.display="none";', 500);
		setTimeout('opacity("voteok", 0, 100, 500);', 600);
		//window.document.getElementById("voteok").style.display="block";
	} else {
		setTimeout('window.document.getElementById("ajaxloader").style.display="none";', 500);
		show_box("alert","error",msg_votenoenreg, "");
		//alert(msg_votenoenreg);
	}

}

function change_pic(id, src) {

	var zone = document.getElementById('zonebig');
	if(zone.style.display == "none") {
		//alert("open");
		affiche_big(id, src);
		
	} else {
		var div_img = document.getElementById('image_big');
		var div_text = document.getElementById('titre_big');
		
		opacity("img_center", 100, 0, 250);
		setTimeout('window.document.getElementById("img_center").src="upload/images_chron/'+src+'"', 250);	
		setTimeout('opacity("img_center", 0, 100, 1000);',250);
		div_text.innerHTML = table_photo_dest[id].titre;
	}
}

function affiche_big(id, src) {
	
		var zone = document.getElementById('zonebig');
		zone.style.display = "block";
		change_pic(id, src);
}


function close_div_big() {
	var zone=document.getElementById('zonebig');
	zone.style.display = "none";
	window.document.getElementById("img_center").src="images/divers/indicator.gif";
}




	function opacity(id, opacStart, opacEnd, millisec) {
	    //speed for each frame
	    var speed = Math.round(millisec / 100);
	    var timer = 0;
	
	    //determine the direction for the blending, if start and end are the same nothing happens
	    if(opacStart > opacEnd) {
	        for(i = opacStart; i >= opacEnd; i--) {
	            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
	            timer++;
	        }
	    } else if(opacStart < opacEnd) {
	        for(i = opacStart; i <= opacEnd; i++)
	            {
	            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
	            timer++;
	        }
	}

	}