// JavaScript Document
function ext_val(inputFile) {
   ext = inputFile.value.substr(inputFile.value.lastIndexOf(".")+1);
   if(ext.toLowerCase() != "jpg" ){
		alert("Estensione file non consentita.");
		return inputFile.parentNode.replaceChild(inputFile.cloneNode(true), inputFile);
   }
}
function addText(modulo, elname, wrap1, wrap2) {
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms[modulo].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms[modulo].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms[modulo].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(modulo, elname, wrap1 + wrap2);
	}
}

function insertText(modulo, elname, what) {
	if (document.forms[modulo].elements[elname].createTextRange) {
		document.forms[modulo].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms[modulo].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms[modulo].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[modulo].elements[elname].value += what;
		document.forms[modulo].elements[elname].focus();
	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

function checkradio(objx) {
	radioObjx = document.getElementsByName(objx);		
	for(ik = 0; ik < radioObjx.length; ik++) {
		radioObjx[ik].checked = false;
	}
}