//var http = createRequestObject();
var displayRating = '';
var currentId = '';
function get_host()
{
	var host_name=window.location.hostname;
	/*var hostname=window.location.host;
	hostname=hostname+"/ajax_rate";*/
	hostname="http://"+host_name+"/ajax_rate";
	return hostname;
}
/*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 updateRating(obj, rating) {
	var id = obj.title;
	var fullId = obj.id;
	var idName = fullId.substr(0, fullId.indexOf('_'));
        //var idName=13;
	var totalRating = rating;
	currentId = idName;

    http.open('get', 'ajax.php?id='+id+'&commentId='+idName);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
	if(http.readyState == 4){
        var response = http.responseText;
	
		if (response == 'ERROR'){
			alert("Sorry... Failed to update rating.");
		}
		else {
			alert("Thanks for your time.");
		}
       
        displayRating = response.substr(0, 4);
        document.getElementById(currentId+'_showrating').innerHTML = 'Rating: '+displayRating;
        totalRating = Math.ceil(response);   
        var obj = document.getElementById(currentId+'_'+totalRating);
        changeover(obj, totalRating);
		displayStars(rating, currentId);
    }
}*/

function changeover(obj, rating) {
	
	var imageName = obj.src;
	var id = obj.title;
	var index = imageName.lastIndexOf('/');
	var filename = imageName.substring(index+1);
	var fullId = obj.id;
	var idName = fullId.substr(0, fullId.indexOf('_'));
	var totalRating = rating;

	for(i=0; i<id; i++) {
		var num = i+1;
		
		if (num%2 == 0) {
			document.getElementById(idName+'_'+num).src = get_host()+'/_even1.gif';			
		}
		else {
			document.getElementById(idName+'_'+num).src = get_host()+'/_odd1.gif';
		}
	}

}

function changeout(obj, rating) {

	var imageName = obj.src;
	var id = obj.title;
	var index = imageName.lastIndexOf('/');
	var filename = imageName.substring(index+2);
	var fullId=obj.id;
	var idName = fullId.substr(0, fullId.indexOf('_'));
	var totalRating = rating;
	
	for(i=0; i<id; i++) {
		var num = i+1;
		
		if (num%2 == 0) {
			if(i < totalRating) {
				document.getElementById(idName+'_'+num).src = get_host()+'/__even1.gif';			
			}
			else {
				document.getElementById(idName+'_'+num).src = get_host()+'/even1.gif';			
			}
		}
		else {
			if(i < totalRating) {
				document.getElementById(idName+'_'+num).src =get_host()+'/__odd1.gif';			
			}
			else {
				document.getElementById(idName+'_'+num).src = get_host()+'/odd1.gif';			
			}
		}
	}
}

function displayStars(rating, idName,totalRating,totalVotes) {

	document.write('<center>');
	
	for(i=0; i < 10; i++ ) {
		if(i%2 ==0) {
			if(i < rating) {
				document.write('<img src="'+get_host()+'/__odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />');
			}
			else {
				document.write('<img src="'+get_host()+'/odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />');
			}
		}
		else {
			if(i < rating) {
				document.write('<img src="'+get_host()+'/__even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />');
			}
			else {
				document.write('<img src="'+get_host()+'/even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />');
			}
		}
	}

	if (displayRating == '') {
		document.write('<br /><div class="ratingText" id="'+idName+'_showrating" >'+displayRating+'</div>');
	}
	else {
		document.write('<br /><div class="ratingText" id="'+idName+'_showrating" >'+totalRating+'</div>');
	}
	document.write('</center>');

}

function displayStarshtml(rating, idName,totalRating,totalVotes)
{
	var displayRating ='';
	var html="";
	for(i=0; i < 10; i++ ) {
		if(i%2 ==0) {
			if(i < rating) {
				html=html+'<img src="'+get_host()+'/__odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />';
			}
			else {
				html=html+'<img src="'+get_host()+'/odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />';
			}
		}
		else {
			if(i < rating) {
				html=html+'<img src="'+get_host()+'/__even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />';
			}
			else {
				html=html+'<img src="'+get_host()+'/even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" onmouseout="changeout(this, '+rating+')" onmouseover="changeover(this, '+rating+')" onclick="updateRating('+idName+', '+(i+1)+','+totalRating+','+totalVotes+')" />';
			}
		}
	}
	
	/*if (displayRating == '') {
		html=html+'<br /><div class="ratingText" id="'+idName+'_showrating" >'+displayRating+'</div>');
	}
	else {
		html=html+'<br /><div class="ratingText" id="'+idName+'_showrating" >'+totalRating+'</div>');
	}
	*/
	html=html+'';

	return html;
}

function onlyDisplayStars(rating, idName,totalRating,totalVotes) {

	document.write('<center>');
	
	for(i=0; i < 10; i++ ) {
		if(i%2 ==0) {
			if(i < rating) {
				document.write('<img src="'+get_host()+'/__odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" />');
			}
			else {
				document.write('<img src="'+get_host()+'/odd1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" />');
			}
		}
		else {
			if(i < rating) {
				document.write('<img src="'+get_host()+'/__even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'" />');
			}
			else {
				document.write('<img src="'+get_host()+'/even1.gif" id="'+idName+'_'+(i+1)+'" title="'+(i+1)+'"  />');
			}
		}
	}

	if (displayRating == '') {
		document.write('<br /><div class="ratingText" id="'+idName+'_showrating" >'+displayRating+'</div>');
	}
	else {
		document.write('<br /><div class="ratingText" id="'+idName+'_showrating" >'+totalRating+'</div>');
	}
	document.write('</center>');

}