var newtopicKey;

// called from www2b 'new discussion' page in iframe
function sayHello(theKey) {
	newtopicKey = theKey;
	document.getElementById("keyField").value = newtopicKey;
}

// talk to www2b iframe
document.domain = "abc.net.au";

function changeAction() {
	// avoids non-js form submission 
	if (document.m_frmMainForm) {
		document.m_frmMainForm.action = 'http://www2b.abc.net.au/tmb/View/NewMessage.aspx?b=253&tn=questions&dm=1&tpa=&r=&layout=popup';
		}
}



//addEvent(window, 'load', changeAction);

$(document).ready(function(){
	changeAction();
});


function formCheck(zeForm) {

	// pass key to form
	document.getElementById("keyField").value = newtopicKey;

	// check the form doesn't say "thanks"
	if ((zeForm.remark.value.indexOf("Thanks. Your question has been submitted.")>-1)||(zeForm.remark.value=="Your question has already been submitted.")) {
		zeForm.remark.value="Your question has already been submitted.";
		return false;
	} 

	// basic validation
	if (document.getElementById("yname").value.length < 1) {
		$("#dialog-message p em").html("Please enter your name");
		$("#dialog-message").dialog({
			modal: true,
			buttons: {
				Ok: function() {
					$( this ).dialog( "close" );
				}
			}
		});		
		document.getElementById("yname").style.background='#FFFDC8';
		return false;
	}	

	if (document.getElementById("yemailpage").value.length < 6) {
		$("#dialog-message p em").html("Please enter a valid email address");
		$("#dialog-message").dialog({
			modal: true,
			buttons: {
				Ok: function() {
					$( this ).dialog( "close" );
				}
			}
		});			
		document.getElementById("yemailpage").style.background='#FFFDC8';
		return false;
	}
	
	/* changed to postcode from select box
	if (zeForm.score.options[0].selected && zeForm.score.options[0].value=="na") {
		$("#dialog-message p em").html("Please select your state or territory");
		$("#dialog-message").dialog({
			modal: true,
			buttons: {
				Ok: function() {
					$( this ).dialog( "close" );
				}
			}
		});		
		document.getElementById("state").style.background='#FFFDC8';	
		return false;
	}	
	
	*/
	
	if (document.getElementById("postcode").value.length < 4) {
		$("#dialog-message p em").html("Please enter a valid postcode");
		$("#dialog-message").dialog({
			modal: true,
			buttons: {
				Ok: function() {
					$( this ).dialog( "close" );
				}
			}
		});		
		document.getElementById("postcode").style.background='#FFFDC8';
		return false;
	}
	
	// check for http
	spamcheck=zeForm.m_tbxText.value;
	if (spamcheck.indexOf("http")!=-1) {
		document.m_frmMainForm.action = 'http://www.abc.net.au/tv/qanda/comment_blankb.htm';
	}	
	
	// check word count
	wct = cnt(zeForm.remark.value);
	if (wct > 80) {
		$("#dialog-message p em").html("Questions are limited to 80 words.<br>You've written "+wct+" words!");
		$("#dialog-message").dialog({
			modal: true,
			buttons: {
				Ok: function() {
					$( this ).dialog( "close" );
				}
			}
		});
		document.getElementById("remark").style.background='#FFFDC8';
		return false;
	}
	
	
	// replace chars
	badChars = Array  ('…', '—', '–', '“', '”', 'ö', 'é', 'è', 'ñ', 'â', ' ', '’','‘','´');
	goodChars = Array ('...', '-', '-', '"', '"', 'o', 'e', 'e', 'n', 'a', '-', '\'','\'','\'');
	fld = document.getElementById("remark");
	for(i=0;i<badChars.length;i++){
		restring = new RegExp( badChars[i] , 'g');
		fld.value = fld.value.replace(restring,goodChars[i]);
	}
	fldn = document.getElementById("yname");
	for(j=0;j<badChars.length;j++){
		restringj = new RegExp( badChars[j] , 'g');
		fldn.value = fldn.value.replace(restringj,goodChars[j]);
	}	
	
	// remove spaces from phone number field
	var phoneField = document.getElementById("ytown").value;
	document.getElementById("ytown").value=removeSpaces(phoneField);

	
	// move email, phone and state to hidden email field
	// document.getElementById("yemail").value+=document.getElementById("yemailpage").value+"_"+document.getElementById("ytown").value+"_"+zeForm.score.options[zeForm.score.selectedIndex].value;
	document.getElementById("yemail").value+=document.getElementById("yemailpage").value+"_"+document.getElementById("ytown").value+"_"+document.getElementById("postcode").value;
	
	
	// display thankyou layer
	//document.getElementById("favFormThx").style.display='block';
	//document.getElementById("favForm").style.display='none';
	//document.getElementById("wordCount").style.display='none';	
	
	// replace remark text, clear other fields
	var sto=setTimeout("cTime()",500);

	// submit form
	return true;
	
}

// remove spaces 
function removeSpaces(string) {
 return string.split(' ').join('');
}



function cTime() {
	$("#dialog-message p em").html("Thanks. Your question has been submitted. We read all the questions and publish almost all, but can only use a few on TV. Thanks for sharing your question.");
	$("#dialog-message").dialog({
		modal: true,
		buttons: {
			Ok: function() {
				$( this ).dialog( "close" );
			}
		}
	});	
	
	document.getElementById("remark").value='';
	document.getElementById("yemailpage").value='';
	document.getElementById("yemail").value='';
	document.getElementById("yname").value='';
	document.getElementById("ytown").value='';
	document.getElementById("postcode").value='';
	// reset iframe loaction (to get new key)
	window.frames['2bframe'].location='http://www2b.abc.net.au/tmb/View/NewMessage.aspx?b=253&tn=questions&dm=1&tpa=&r=&layout=popup';
	
}

// word count function
function cnt(theform){
	var y=theform;
	var r = 0;
	a=y.replace('\n',' ');
	a=a.split(' ');
	for (z=0; z<a.length; z++) {if (a[z].length > 0) r++;}
	return r;
}

function remainingWords(textAreaContent,textAreaContentValue, maxWords) 
{
	// Determine the number of words we have left
	var numberofwords = cnt(textAreaContentValue);
	wordsLeft = maxWords - numberofwords;
	if (wordsLeft < 1)
	{	// if 80 change color to red
		document.getElementById("wcNum").style.color='red'; 
		document.getElementById("wcNum").innerHTML='0';
	} else {
		document.getElementById("wcNum").style.color='#000000'; 
	}
	// update word count number
	if (wordsLeft > 0){
		document.getElementById("wcNum").innerHTML=80-(0+numberofwords);
	}
}

function launchFeed(){
	privacy_window = window.open('feed.htm', 'QA', 'height=400, width=450, toolbar=0, location=0, scrollbars=0, resizable=1');
}