function endreAction(query) {
 var x=document.forms['inputform'];
 x.action=x.action+query;
 x.submit();
}

function endreDisabled(id) {
 var target = document.getElementById(id);
 var preset = target.disabled;
 if (preset == true) {
  target.removeAttribute('disabled');
 } else {
  target.setAttribute('disabled','disabled');
  target.value='';
 }
}

function addEnctype(form) {
 var x=document.forms[form];
 x.setAttribute('enctype','multipart/form-data',0);
 x.setAttribute('encoding','multipart/form-data',0);
}

function addText(elname, wrap1, wrap2) {
	if ((document.getElementsByTagName('textarea').length) > 1) {
		var aktiv = document.forms['inputform'].elements['aktiv'];
		elname = aktiv.value;
	}
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms['inputform'].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms['inputform'].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(elname, wrap1 + wrap2);
	}
}

function insertText(elname, what) {
	if ((document.getElementsByTagName('textarea').length) > 1) {
		var aktiv = document.forms['inputform'].elements['aktiv'];
		elname = aktiv.value;
	}
	if (document.forms['inputform'].elements[elname].createTextRange) {
		document.forms['inputform'].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms['inputform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms['inputform'].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms['inputform'].elements[elname].value += what;
		document.forms['inputform'].elements[elname].focus();
	}
}

function slettElement() {
 return confirm('Vil du virkelig slette elementet?');
}