function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function createCookiems(name,value,ms) {
	if (ms) {
		var date = new Date();
		date.setTime(date.getTime()+ms);
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function ShowSurveySubject() {
Dialog.info({url: "default.asp?pid=124", options: {method: 'get'}}, 
            {className: "alphacube",width:470,destroyOnClose:true,minHeight:400,top:100});
}
function ShowSurveyQuestion() {
Dialog.info({url: "default.asp?pid=124&question=1", options: {method: 'get'}}, 
            {className: "alphacube",width:470,destroyOnClose:true,top:100});
}
function ShowThankMessage(svID,total) {
	var URL='default.asp?pid=124&svID='+ svID +'&answers=';
	for (var i=0;i<=total;i=i+1) 
	{
		URL = URL + document.getElementById('answer_'+i).value;
		if (i<total) 
			URL = URL + ','
	}
	Dialog.info({url: URL, options: {method: 'get'}}, 
           {className: "alphacube",width:470,destroyOnClose:true,top:100});
}
function ShowAnswer(id,yesno) {
	if (yesno==1) {
		document.getElementById('answer_'+id).value=1;
		document.getElementById('answer_yes_'+id).src='templates/default/images/button_yes_on.gif';
		document.getElementById('answer_no_'+id).src='templates/default/images/button_no.gif';
	}
	else {
		document.getElementById('answer_'+id).value=2;
		document.getElementById('answer_yes_'+id).src='templates/default/images/button_yes.gif';
		document.getElementById('answer_no_'+id).src='templates/default/images/button_no_on.gif';			
	}
}

function ResetAnswers(total) {
	for (var i=0;i<=total;i=i+1) 
	{
		document.getElementById('answer_yes_'+i).src='templates/default/images/button_yes.gif';
		document.getElementById('answer_no_'+i).src='templates/default/images/button_no.gif';			
		document.getElementById('answer_'+i).value=0;
	}
}
function ValidateAnswers(total) {
	var valid = 1;
	for (var i=0;i<=total;i=i+1) 
	{
		if (document.getElementById('answer_'+i).value!=1 && document.getElementById('answer_'+i).value!=2) 
			valid = 0		
	}
	if (valid==0) 
		document.getElementById('errMsg').innerHTML= '<font color="red">Please answer all the questions</font><br><br>'
	else
		return true;
}
function closeSurvey(svID) {
	document.getElementById('div_survey').style.display='none';
	createCookiems('survey_'+svID,3,300000);
	showSelect();
	window.location.href=window.location.href;	
}
function finishSurvey() {
	document.getElementById('div_survey').style.display='none';
	showSelect();
	window.location.href=window.location.href;
}
function hideSelect(){
	var selectBoxes = document.getElementsByTagName('select');
	var i=0;
	if (!selectBoxes[i]){}
	else{
		do{selectBoxes[i].style.visibility = 'hidden';}
		while(++i < selectBoxes.length);
	}
}
function showSelect(){
	var selectBoxes = document.getElementsByTagName('select');
	var i=0;
	if (!selectBoxes[i]){}
	else{
		do{selectBoxes[i].style.visibility = 'visible';}
		while(++i < selectBoxes.length);
	}
}