var req;

function fetch(url,val,target) {
	if (window.XMLHttpRequest && !(window.ActiveXObject)) {
		try {
			req = new XMLHttpRequest();  
		}catch(e){
			req = false
			}
	}else if (window.ActiveXObject) {
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		}catch (e){
				req = false
			 }
	}
	
	if(req) {
		req.open("GET", url + '?val=' + val, true);
		req.onreadystatechange = function(){tampil(target,val)};
		req.send("");
	}

}

function loadimage(url,target) {
	
	if (window.XMLHttpRequest && !(window.ActiveXObject)) {
		try {
			req = new XMLHttpRequest();  
		}catch(e){
			req = false
			}
	}else if (window.ActiveXObject) {
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		}catch (e){
				req = false
			 }
	}
	
	if(req) {
		
		req.open("GET", url, true);
		req.onreadystatechange = function(){showimage(target)};
		req.send("");
	}

}


function showimage(target) {
	var start;
	

	if (req.readyState == 4) {
			
		if (req.status == 200 || req.status == 304) {
			results = req.responseText;
			
			document.getElementById(target).innerHTML = results;
			
		} else {
			
				document.getElementById(target).innerHTML = "fecth error:\n" +req.statusText;
		
		
			}
	}
}

function tampil(target,val) {
	var start;
	

	if (req.readyState == 4) {
			
		if (req.status == 200 || req.status == 304) {
			results = req.responseText;
			document.getElementById(target).innerHTML = results;
			try{
			document.getElementById("loading_img").className = "sembunyi";
			}catch(e){
			}
			setbutton(val,0);
		} else {
			try{
				document.getElementById(target).innerHTML = "fecth error:\n" +req.statusText;
			}catch(e){
				}
			}
	}else{
			try{
				document.getElementById("loading_img").className = "tampil";
			}catch(e){
			}
		}
}


function setbutton(destinasi,subdestinasi){
	var val;
	
	if (subdestinasi =="semua"){
		val = destinasi;
	}else{
				if (subdestinasi  != 0){
					val = subdestinasi;
				}else{
					val = destinasi;
					if (val == "semua"){
					val = document.getElementById('destinasi').value;
					}
				}
			}
			
	if (val != ""){
		document.getElementById('btn').innerHTML = '<input type="submit" name="submit" value="&laquo; Go &raquo;" id="submit" class="btn" onClick="showdestinasi('+val+');" >';
	}else{
		document.getElementById('btn').innerHTML = '';
	}
}


function showdestinasi(val){
	document.location.href='destinasi.php?destinasi='+val;
}