currentTag = 1;
function formatText(tag) {
var vartje = document.getElementById('tekst');
	if (vartje.setSelectionRange) {
 		vartje.value = vartje.value.substring(0,vartje.selectionStart) + "<"+tag+">" + vartje.value.substring(vartje.selectionStart,vartje.selectionEnd) + "</"+tag+">" + vartje.value.substring(vartje.selectionEnd,vartje.value.length)
  	}
	else if(document.selection.createRange().text){
		var selectedText = document.selection.createRange().text; 
		if (selectedText != "") { 
			var newText = "<" + tag + ">" + selectedText + "</" + tag + ">"; 
			document.selection.createRange().text = newText; 
		}
  	}
	else{
		if(currentTag==1){
			tmp = "<"+tag+">";
			currentTag++;
		}else{
			tmp = "</"+tag+">";
			currentTag=1;
		}
		vartje.value = vartje.value + tmp;
	}
vartje.focus();
veranderVoorbeeld();
}

function getUrl(){
var www=window.prompt("Geef de link", "http://");
if(www!=null && www!="http://"){
var name=window.prompt("Geef de naam van de link", www);
	if(name!=''){
		var linkje = '<a href="'+www+'" target="_blank">'+name+'</a>';
		document.getElementById('tekst').value = document.getElementById('tekst').value + linkje;
	}
}
veranderVoorbeeld();
}
  

function smilie(tag){
document.getElementById('tekst').value = document.getElementById('tekst').value + " " + tag + " "; 
document.getElementById('tekst').focus(); 
veranderVoorbeeld();
} 

function veranderImg(s,nr){
for(i=1;i<10;i++){
	var tmp = document.getElementById('thumb'+i);
	if(tmp)
		tmp.style.border = '';
}
document.getElementById('thumb'+nr).style.border = '1px solid #0F1F6F';
document.getElementById('loading').style.visibility = 'visible';
document.getElementById('img').src = 'thumbnail.php?pic='+s+'&width=400&co=100';
}

function verstopLoading(){
document.getElementById('loading').style.visibility = 'hidden';
}
function verstopLoadingBig(){
var tmp = document.getElementById('loading_big');
if(tmp)
	tmp.style.visibility = 'hidden';
}


smiliesCodes = new Array(':D',':)',';)',':P',':yes:',':no:',':eek:',':(');
smiliesLinks = new Array('icon_grin.gif','icon_smile.gif','icon_wink.gif','icon_razz.gif','icon_yes.gif','icon_no.gif','icon_eek.gif','icon_sad.gif');

function veranderVoorbeeld(){
var tekst = document.getElementById('tekst');
var obj = document.getElementById('voorbeeld'); 
obj.innerHTML = tekst.value;
var s = obj.innerHTML;

for(i=0;i<smiliesCodes.length;i++){
	while(s.indexOf(smiliesCodes[i])!=-1)
		s = s.replace(smiliesCodes[i],'<img src="files/emotions/'+smiliesLinks[i]+'" border=0 height=15 width=15>');
}
while(s.indexOf('\n')!=-1)
	s = s.replace('\n', "<br />");
obj.innerHTML = s;
}

/*function veranderLinkImg(url,nr){
var tmp = document.getElementById('linkImg'+nr);
if(url!='')
	tmp.innerHTML = '<img src="thumbnail.php?pic='+url+'&width=100&co=100">';
else
	tmp.innerHTML = '';
}*/

function popupMidi(url){
	window.open('midiPlaatje.php?pic=' + url,'popupMidi','width=800, height=600,left=0,top=0,screenX=0,screenY=0');
}